Entries |
Document | Title | Date |
20080232613 | METHOD AND APPARATUS FOR PROVIDING VOLUME CONTROL WITH DC SUPERVISION - A method and apparatus for providing a volume control with DC supervision in a voice evacuation system are disclosed. In one embodiment, the apparatus is a volume control comprising a first input interface for receiving an audio signal, a first output interface for forwarding said audio signal to at least one audio device, and a second input interface for receiving an alarm signal. The apparatus also comprises a switch having a plurality of nodes, wherein at least one of the plurality of nodes is an unlabeled node, wherein the switch is in communication with the first input interface and the first output interface for controlling a volume of the audio signal that is sent to the at least one audio device. The apparatus also comprises a filter that is coupled to the unlabeled node of the switch. | 09-25-2008 |
20080247570 | Sound output device with earphone mode and speaker mode - A sound output device with an earphone mode and a speaker mode is provided. The sound output device changes a circuit resistance value of loudspeaker modules by adjusting a connecting state of the loudspeaker modules in the sound output device. Thus the sound output device is set to an output volume value of the earphone mode or of the speaker mode, so as to meet the requirements of the user, and to improve the convenience in use of the sound output device. | 10-09-2008 |
20080253584 | AUDIO PLAYING SYSTEMS - An audio playing system is provided comprising a first processing module, a second processing module, a control module, an output module, and a displaying module. The first and second processing modules amplify an audio signal and respectively generates a first first processed signal, a first second processed signal, a second first processed signal, and a second second processed signal. The control module is coupled to the first processing module and the second processing module and generates a playing signal according to a control signal, the first first processed signal, the first second processed signal, the second first processed signal, and the second second processed signal. The output module is coupled to the control module and amplifies the playing signal to generate an output signal. The displaying module is coupled to the output module and plays the output signal. | 10-16-2008 |
20080292115 | APPARATUS AND METHOD FOR ADJUSTING SOUND VOLUME - An apparatus for adjusting a sound volume includes an ultrasonic transreceiver for transmitting an ultrasonic signal and receiving a reflected ultrasonic signal reflected back from an object, and a volume module for adjusting the sound volume based on a time from transmitting the ultrasonic signal to receiving the reflected ultrasonic signal that has a different frequency from the ultrasonic signal. | 11-27-2008 |
20090022337 | SIGNAL AMPLIFIER CIRCUIT - A plurality of main amplifiers amplifies input audio signals with an adjustable gain. A first selector selects any of the input audio signals. An auxiliary amplifier receives an output of the first selector and amplifies this output with an adjustable gain. A second selector receives n outputs from the main amplifiers and selects any of the outputs. A soft switching circuit receives an output of the second selector at a first input terminal, receives an output of the auxiliary amplifier at a second input terminal, and makes the output transition gradually from one of the input terminals to the other of the input terminals. Output switches are respectively provided for the main amplifiers, an output of a corresponding main amplifier is received at a first input terminal, an output of the soft switching circuit is received at a second input terminal, and one of the outputs is selected to be outputted. | 01-22-2009 |
20090041267 | HEADSET CAPABLE OF BEING USED AS EXTERNAL SPEAKER AND METHOD FOR ADJUSTING OUTPUT AN THEREOF - A headset used as an external louder speaker and a method for adjusting an output of the speaker transducers are disclosed. The headset includes a signal receiver, speaker parts, hinge parts, and amplifiers. The speaker parts change their direction through the hinge parts. The output of speaker transducers is adjusted according to the direction of the speaker parts. When the output of speaker transducers is increased, the speaker parts of the headset are used as an external speaker. | 02-12-2009 |
20090074208 | METHOD FOR OUTPUTTING BACKGROUND SOUND AND MOBILE COMMUNICATION TERMINAL USING THE SAME - A method for outputting a background sound and a mobile communication terminal using the same are provided. The method includes outputting of the background sound during voice communication, and controlling of the volume of the background sound output in correspondence to the volume of a communication voice are disclosed. The mobile communication terminal includes a background sound processing unit for controlling a volume of the background sound in correspondence to a volume level of the communication voice, and an audio processing unit for controlling the volume of the background sound under the control of the background sound processing unit and for outputting both the background sound and the communication voice. | 03-19-2009 |
20090103751 | SOUND VOLUME LEVELER FOR SPEED SENSITIVE VOLUME - A system and method for adjusting an output sound signal for an audio device includes a speed sensitive volume transfer unit, a dynamic processing unit and a sound volume update unit. The speed sensitive volume transfer unit is configured to output a volume gain signal based on a speed sensitive volume setting input, a volume gain input and an adjustment signal. The dynamic processing unit is in communication with the speed sensitive volume transfer unit and is configured to output a modified volume signal based upon the adjustment signal and the volume gain signal. The sound volume update unit is in communication with the dynamic processing unit and a raw sound signal. The sound volume update unit outputs a corrected sound signal based on the modified volume gain signal and the raw sound signal. | 04-23-2009 |
20090123004 | Method and system for automated volume adjustments for a marketing system - A method for adjusting volume for a marketing system, including the steps of: determining, using a processor in a general-purpose computer, a parameter associated with the marketing system; generating, using the processor, a volume control level based on the parameter; and controlling, using the processor and an interface element for the computer, an audio output portion of a sales offer from an audio component of the marketing system such that the audio output portion matches the volume control level. The general-purpose computer is arranged to perform the steps of determining, generating, and controlling. In a preferred embodiment, the parameter is an ambient noise level proximate the marketing system and determining a parameter includes measuring the ambient noise level proximate the marketing system. In a first embodiment, the parameter is a temporal parameter. A system for adjusting volume for a selling system. | 05-14-2009 |
20090190778 | METHOD AND SYSTEM FOR ASSIGNING INDEPENDENT AUDIO VOLUME SETTINGS TO COMPONENTS, CHANNELS, AND MEDIA CONTENT - A method for amplifier volume specification and control, the method includes: applying an initial volume level to an amplifier; determining one or more of: which A/V component has been selected for use, which channel or frequency is being outputted, and the type of outputted A/V content; modifying the initial amplifier volume level with one or more stored volume level settings in response to at least one of the following: the determined A/V component in use; the selected channel and frequency outputted, and the type of outputted A/V content; wherein the one or more stored volume level settings include: received volume level settings for audio/video (A/V) components; received volume level settings for selected channels and frequencies that are outputted by the A/V components; and received volume level settings for A/V content. | 07-30-2009 |
20090196436 | PORTABLE DEVICE, METHOD OF OPERATING THE PORTABLE DEVICE, AND COMPUTER PROGRAM - A portable device having a user input consisting of a single touch sensitive area is disclosed. The user input is arranged to output a signal responsive to force applied to the touch sensitive area. The device further has a controller arranged to discriminate one of a plurality of levels of said signal for provision of a corresponding control signal. The control signal can be used for controlling operation of the portable device. A method of operating the portable device, and a computer program for implementing the method are also disclosed. | 08-06-2009 |
20090208033 | DIGITAL AUTOMATIC GAIN CONTROL - Systems, devices, and methods are provided to inhibit apparent amplitude modulation in non-linear processing that causes distortion in a processed signal. One aspect of the invention includes a hearing aid. The hearing aid includes a microphone to receive an input signal, a speaker to reproduce the input signal, and a processor. The processor processes the input signal using a gain. The processor includes an inhibitor, which inhibits distortions, and an adjuster, which adjusts the gain. The inhibitor acts to smooth an envelope of the input signal to inhibit undesired modulation. The adjuster adjusts the gain if the envelope is either above or below a threshold. | 08-20-2009 |
20090245536 | SYSTEM AND METHOD FOR SETTING VOLUME SETTINGS IN AN AUDIO SYSTEM - A system and method for switching between a plurality of audio settings is disclosed. The system includes: an audio processing system for receiving audio data from an audio data source, including: a central processing unit (CPU) for storing a plurality of volume settings; and a toggle switch for toggling between the plurality of volume settings to select a volume setting. The audio system also includes a displaying device for displaying audio data received from the audio processing system according to the selected volume setting. The method includes: assigning a first volume setting for an audio data and saving the first volume setting; assigning a second volume setting for the audio data and saving the second volume setting; and toggling between the first volume setting and the second volume setting so the audio data is played at either the first volume setting or the second volume setting. | 10-01-2009 |
20090274321 | AUDIO AMPLIFIER AND TECHNIQUE FOR POWER EFFICIENCY THEREOF - Some embodiments take the form of a vehicle audio amplifier comprising a plurality of amplifier stages and a controller. The amplifier stages are operatively coupled to each other and the amplifier stages include an input stage for receiving an audio signal and an output stage for driving at least one load in response to a supply voltage level. The controller is operatively coupled to the amplifier stages and configured to receive a volume signal that is indicative of a desired volume setting selected by a user. The controller is further configured to adjust the supply voltage level to the output stage to a first voltage level if the volume signal is less than a predetermined volume level. The controller is further configured to adjust the supply voltage level to the output stage to a second voltage level if the volume signal is greater than the predetermined volume level. | 11-05-2009 |
20090285413 | WORKSTATION PRIVACY APPARATUS - The present invention is a two way communication system for employees who work in an open office environment, and lack the privacy of an office door. The system performs the same functions as a real door, allowing the user to “alert” fellow employees to their availability status without being interrupted throughout the day. In addition, it allows the user to record interoffice memos, and allows other employees to record messages for the user when he or she is not at the desk. This valuable tool is a great asset for people in open office environments, which greatly increases the quality of work product by limiting interruptions. | 11-19-2009 |
20090296960 | REPRODUCING APPARATUS AND REPRODUCING METHOD - A reproducing apparatus includes: a digital signal processing block configured to execute first boost processing for setting a volume level for an entered digital audio signal and boosting an amplitude level of the signal; a digital-to-analog conversion block configured to convert the digital audio signal into an analog one; an analog signal processing block configured to execute second boost processing for boosting an amplitude level of the analog audio signal; an analog volume adjusting block configured to set a volume level for the analog audio signal from the analog signal processing block; a loudspeaker configured to output the analog audio signal from the analog volume adjusting block; an operating block configured to indicate a volume level of an audio signal from the loudspeaker and turn on/off the boost processing for the audio signals; and a control block configured to control components in accordance with an operation by the operating block. | 12-03-2009 |
20090304205 | TECHNIQUES FOR PERSONALIZING AUDIO LEVELS - Techniques for personalizing audio levels, in accordance with embodiments of the present technology, provide different audio volumes to different locations in a room allowing for two or more users to enjoy the same audio content at different volumes. Differential level and delay compensation filtering based on a position of each of a plurality of speakers, the location of each user and the preferred relative audio volume of each user are utilized to produce different effective audio levels in localized regions of a room. | 12-10-2009 |
20090316931 | AUDIO DEVICE AND VOLUME ADJUSTING CIRCUIT FOR THE AUDIO DEVICE - An audio device includes an internal sound producer, an earphone jack, a detection circuit, a volume adjustor, and an amplifier. The detection circuit detects a connection between the earphone jack and an external sound producer, generates a first state signal when the connection is established, generates a second state signal when no connection is established. The volume adjustor is preset with first predetermined volume levels and second predetermined volume levels, generates first adjustment signals based on the first predetermined volume levels in response to the first state signal, and generates a second adjustment signal based on the second predetermined volume levels in response to the second state signal. The amplifier amplifies audio signals and adjusts the volume of the amplified audio signals according to the adjustment signals, then sends the amplified audio signals to the internal sound producer and earphone jack. | 12-24-2009 |
20090323985 | SYSTEM AND METHOD OF CONTROLLING POWER CONSUMPTION IN RESPONSE TO VOLUME CONTROL - An apparatus for audio processing including a first device (e.g., a multiplier, digital signal gain module, etc.) adapted to apply a gain to a first digital audio signal to generate a second digital audio signal; a second device (e.g., a digital-to-analog converter (DAC), etc.) adapted to generate an analog audio signal from the second digital audio signal; a third device (e.g., a detector, sensor, user interface, etc.) adapted to generate an audio characteristic signal related to a characteristic of the first or second digital audio signal, or the analog audio signal; and a fourth device (e.g., a controller, control module, etc.) adapted to control the gain of the first device based on a first function of the audio characteristic signal, and control a power supplied to the second device based on a second function of the audio characteristic signal. | 12-31-2009 |
20100020987 | Signal Absorption Induction Circuit - This patent pertains to a new technique of increasing the amount of energy absorbed by an antenna. It accomplishes this by broadcasting a spike that attracts the signal when the fields of its oscillating charge are at their strongest. | 01-28-2010 |
20100027811 | METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL - An apparatus for controlling a volume of an audio signal and method thereof are disclosed, by which a volume of an input signal can be controlled by using a non-linear gain curve and a target volume of the input signal. The present invention includes receiving an input signal and reference information controlling a volume of the input signal; and adjusting a volume of the input signal with the reference information, wherein the reference information comprises at least one of metadata indicating characteristics of the input signal, output environment information indicating characteristics of an environment in proximity to the apparatus and stored reference information being transmitted from memory. | 02-04-2010 |
20100054497 | Techniques for Customizing Control of Volume Level in Device Playback - User interface signals representing volume change requests are converted to volume control signals using a mapping. The mapping is overridden (modified) within a given time interval after starting (which includes resuming) playback. During this interval, the mapping for volume decreases is modified so that the resulting volume decreases are accelerated relative to those that would be generated by the default mapping. This allows the user to quickly reduce the volume of the device when begins playing very loud music. The mapping for volume increases can be modified during this interval. | 03-04-2010 |
20100054498 | METHOD AND SYSTEM FOR AUDIO LEVEL DETECTION AND CONTROL - In a method and system for audio level detection and control, an amplitude of an audio signal may be compared to a threshold and an attenuation applied to the audio signal may be adjusted based on the comparison. In instances that the amplitude of the audio signal is greater than or equal to the threshold the adjustment may comprise increasing a first attenuation factor until the amplitude of the audio signal is less than the threshold. The first attenuation factor may be subsequently decreased until the amplitude of the audio signal is greater than or equal to the threshold or until the first attenuation factor is equal to zero. The attenuation of the audio signal may be controlled via a digital gain circuit within the hardware audio CODEC, wherein an overall attenuation factor of the digital gain circuit is a sum of the first attenuation factor and a second attenuation factor. | 03-04-2010 |
20100150378 | METHOD AND APPARATUS FOR AUDIO SIGNAL CONTROL - An audio signal control method and apparatus for hearing protection are disclosed. The audio signal control method includes: producing an output level of an audio signal being input; determining whether the ratio of an output time of the audio signal within a preset time duration to a permissible time corresponding to the produced output level is greater than or equal to a limit reference value; and limiting, when the ratio of the output time to the permissible time is greater than or equal to the limit reference value, the output level of the audio signal to a preset level. | 06-17-2010 |
20100183169 | VOICE OUTPUT UNIT - The invention intends to provide an appliance which can be easily assembled, assure quality and reliability, and can be downsized. A voice output unit includes: a power source | 07-22-2010 |
20100202631 | Adjusting Dynamic Range for Audio Reproduction - An audio reproduction system substantially fits the dynamic range of recorded and broadcast music (or other type of audio content) into a desired output dynamic range, bounded by the available dynamic range of the listening environment. In some scenarios the output dynamic range may be defined as a function of the ambient noise level present in the environment and the maximum output capabilities of audio system. A listener may adjust the desired prominence of the program with a user control, with foreground (louder and more dynamic) as one extreme and background (quieter and less dynamic) as the other extreme. A control to adjust prominence, when used to provide background reproduction, may reduce the average volume of a reproduced signal and fit the input signal dynamic range into a suitably smaller but desired output signal dynamic range. | 08-12-2010 |
20100208916 | Volume-Adjustment Circuit for Equilibrating Pickup Settings - The disclosed volume-adjustment circuit sets the volume of each pickup setting in a topology-setting switch independent of other pickup topology settings in the switch. The volume-adjustment circuit has three parts: (1) a pickup topology selection switch that selects separate pickup-topologies, (2) separate and independent signal paths for chosen pickup-topologies, and (3) separate volume adjustment circuits in electrically separate and independent signal paths. Thus, the disclosure provides separate volume adjustment for selected pickup topologies of the pickup topology selection switch. | 08-19-2010 |
20100303258 | PORTABLE MEDIA DELIVERY SYSTEM WITH A MEDIA SERVER AND HIGHLY PORTABLE MEDIA CLIENT DEVICES - A media delivery system comprises a portable media server and a client device. The client device may be a button-less audio player. Sensors are used to generate control signals through a user's interaction. Sensors may be located in earphones to increase or to decrease sound volume. Applications based on touch, pressure, temperature, thermal and motion sensors are disclosed. | 12-02-2010 |
20100310093 | HEADPHONE APPARATUS - A single chamber headphone apparatus and earcup design is provided which enhances wearer comfort, reduces headphone weight, facilitates ease of use, maintenance and operation by providing an improved internal chamber and battery cap configuration. Sound quality is improved by eliminating acoustic problems associated with two-chamber headset designs. A volume balance control is also provided. | 12-09-2010 |
20100329482 | AUDIO DIGITAL TO ANALOG CONVERTER AND AUDIO PROCESSING APPARATUS INCLUDING THE SAME - An audio DAC includes a delta/sigma modulator (DSM), a pulse width modulator (PWM) and an output unit. The DSM delta-sigma modulates an over-sampled digital signal to generate a multi-bit quantization signal. The PWM pulse width modulates the multi-bit quantization signal to generate a single-bit pulse width modulation signal. The output unit includes an analog filter that low-pass filters the single-bit pulse width modulation signal to generate an analog output signal. | 12-30-2010 |
20110002480 | SYSTEM, METHOD, AND DEVICE FOR INTELLIGENCE GATHERING AND POSITION TRACKING - A mobile communication device that may be used by an investigator to secretly record a suspect and track the investigator's location includes a microphone for detecting sounds, a communication component for transmitting signals or data representative of the sounds to one of the portable computers via the wireless communication network, a display for displaying information related to operation of the device, a computing device, and a computer program implemented by the computing device. The computer program is operable to place the device in a stealth mode in which the display is turned off or otherwise deactivated to make the entire device appear to be turned off while the microphone continues to detect sounds and the communication component continues to transmit signals or data representative of the sounds to a surveillance or support team operating one of the portable computers. The mobile communication device may also include a location-determining component for determining geographic locations of the device and for transmitting location data to the portable computer. | 01-06-2011 |
20110026737 | METHOD AND APPARATUS FOR CONTROLLING VOLUME IN AN ELECTRONIC MACHINE - A method and an apparatus for controlling/adjusting volume, which can set multiple volume modes having different volume intervals and control volume by a volume interval of a corresponding volume mode according to a given circumstance in an electronic device having a volume change function. The method includes detecting a volume change event; when the volume change event is a volume mode change, changing a current volume mode to a volume mode corresponding to the volume change event; and when the volume change event is a volume value change, controlling volume up/down in response to the volume change event. | 02-03-2011 |
20110044473 | SOUND SOURCE PLAYING APPARATUS FOR COMPENSATING OUTPUT SOUND SOURCE SIGNAL AND METHOD OF COMPENSATING SOUND SOURCE SIGNAL OUTPUT FROM SOUND SOURCE PLAYING APPARATUS - A method of selecting a compensation method to compensate a sound source signal output from a sound source playing apparatus includes; displaying a plurality of areas indicating each of a plurality of compensation methods with respect to a signal output from the sound source playing apparatus, outputting a test signal compensated by a compensation method of the plurality of compensation methods, the compensation method corresponding to at least one area of the plurality of areas, selecting any one of the plurality of areas based on a response of a user to the output test signal, and storing the compensation method corresponding to the selected area. | 02-24-2011 |
20110058688 | AUDIO PROCESSING APPARATUS AND METHOD - An audio processing apparatus includes an amplification unit to receive and amplify an audio signal, a power source unit to provide power source to the amplification unit, and a signal processing unit to adjust the power source level provided to the amplification unit based on audio signal level and power source level. Accordingly, high-quality audio may be reproduced. | 03-10-2011 |
20110058689 | Audio Apparatus - An audio apparatus includes: a receiver which receives audio data transmitted by a broadcast method from an external apparatus; a sound emitter which performs sound emission of the audio data received by the receiver; a generator which generates sound emission control information relating to sound emission of other apparatus which can receive the audio data; and a transmitter which transmits the sound emission control information generated by the generator to the other apparatus. | 03-10-2011 |
20110064245 | HALF-BRIDGE THREE-LEVEL PWM AMPLIFIER AND AUDIO PROCESSING APPARATUS INCLUDING THE SAME - A half-bridge three-level pulse width modulation (PWM) amplifier includes a prescaling unit, a PWM generator configured to convert the input signal to a three-level PWM signal having a first level, a second level and a reference level and an output stage. The prescaling unit scales an input signal according to at least one gain value to provide a scaled signal. The PWM generator varies the width of pulses having the first level and varies the width of pulses having a second level based on the scaled signal. The output stage drives an output node to a level of a first power supply voltage, a second power supply voltage or a third power supply voltage based on the three-level PWM signal. The output node is connected to a load. The magnitude of the at least one gain value compensates for variations of power supply voltages. | 03-17-2011 |
20110129102 | METHOD AND APPARATUS FOR CONTROLLING SOUND VOLUME IN MOBILE COMMUNICATION TERMINAL - A method and an apparatus for controlling a sound volume in a mobile communication terminal are provided. The method of controlling the sound volume in the mobile communication terminal includes connecting a call to a counterpart mobile communication terminal, determining an output volume according to an identifier of the counterpart mobile communication terminal using pre-stored volume information per identifier, and adjusting and outputting a volume of a voice signal received from the counterpart mobile communication terminal according to the determined output volume. | 06-02-2011 |
20110135113 | APPARATUS AND METHOD FOR INCREASING VOLUMN IN PORTABLE TERMINAL - An apparatus and method for increasing an audio volume in a portable terminal are provided. The apparatus includes a sound booster for increasing a volume of a final audio signal comprising at least one sound source data to be output through an audio hardware, and a speaker for converting audio data having a volume increased by the sound booster into a sound signal to play the converted sound signal. | 06-09-2011 |
20110142259 | VOLUME CONTROL APPARATUS AND PROGRAM OF VOLUME CONTROL APPARATUS - A volume control apparatus that is connectable to a controller and controls a volume value of a sound signal based on an instruction from the controller, comprises: a receiving section for, when a controller-side volume setting value settable in the controller is changed by a user's operation, receiving the changed controller-side volume setting value from the controller; a first difference value calculating section for calculating a first difference value as a difference value between the changed controller-side volume setting value and the controller-side volume setting value before change; a second difference value calculating section for calculating a second difference value as a difference value between a maximum volume value controllable by the controller and a current volume value; and an increase value calculating section for multiplying the second difference value by a ratio of the first difference value to (a maximum value of the controller-side volume setting value−a minimum value of the controller-side volume setting value)) (or to (the maximum value of the controller-side volume setting value−the controller-side volume setting value before change)) so as to calculate an increase value of the volume value. | 06-16-2011 |
20110142260 | METHOD AND APPARATUS FOR OUTPUTTING AUDIO SIGNAL IN PORTABLE TERMINAL - A method and an apparatus for outputting an audio signal in a portable terminal are provided. In the method, a touched coordinate of a screen is recognized. An output volume of each of a plurality of speakers is controlled according to the touched coordinate. An audio signal is output via the plurality of speakers whose output volume has been controlled. | 06-16-2011 |
20110158430 | METHODS FOR VOICE COMMUNICATION THROUGH PERSONAL EMERGENCY RESPONSE SYSTEM - A system according to an aspect of the present invention switches between the activation/deactivation of the speaker and microphone in speakerphone mode to help ensure the quality of audio communications. The system includes a processor, a microphone, a speaker, and a data relay transceiver. The microphone, speaker, and data relay transceiver are each in communication with the processor. The system further includes a memory in communication with the processor which stores instructions that, when executed by the processor, cause the processor to determine a threshold based on an average amplitude of a signal provided to the speaker by the data relay transceiver; sample the amplitude of the signal; and disable the microphone and enable the speaker if the sampled amplitude is greater than the threshold. | 06-30-2011 |
20110158431 | Electronic Apparatus - According to one embodiment, an electronic apparatus includes a speaker, a terminal, an amplifier, a power supply circuit, and a first controller. The terminal is configured to input an audio signal from an external apparatus. The amplifier is configured to amplify the audio signal which is input from the terminal, and to output sound from the speaker. The power supply circuit is configured to supply power to the amplifier. The first controller is configured to control the power supply circuit in order to continue the supply of power to the amplifier, if the external apparatus is connected to the terminal when the electronic apparatus transitions from a operative state to a non-operative state. | 06-30-2011 |
20110206220 | ACOUSTIC SIGNAL CORRECTOR AND ACOUSTIC SIGNAL CORRECTING METHOD - According to one embodiment, an acoustic signal corrector includes: an output module; a selection receiver; and a holder. The output module is configured to output a plurality of acoustic signals. Amplitude values of frequencies within a frequency band of each of the acoustic signals are emphasized as emphasized amplitude values. A plurality of amplitude values among the emphasized amplitude values are corrected as corrected amplitude values at some of frequencies within the frequency band. Resonance is possibly induced in the frequency band by sealing an ear canal. The selection receiver is configured to receive a selection of one of the acoustic signals output by the output module. The holder is configured to hold, as a configuration for sound quality correction, a configuration corresponding to the correction of the one of the acoustic signals at the some of the frequencies. | 08-25-2011 |
20110216919 | ASSISTIVE-LISTENING SYSTEM AND METHOD FOR TELEVISION, RADIO & MUSIC SYSTEMS - An assistive-listening system is used with sound-producing equipment that includes a signal source, and first and second sound sources operatively associated with the signal source and configured to produce sound corresponding to signals received from the signal source. The assistive-listening system includes a volume control operatively associated with the signal source and configured proportionally to change the volume of both the first and second sound sources. Also included is a support structure configured to support and position the second sound source so that a hearing-impaired listener may listen effectively to sound controlled by the volume control without disturbing normal-hearing listeners. | 09-08-2011 |
20110255711 | Lighting and Audio Communication System - A lighting and communication system with a horn enclosure for recessed ceiling panel or wall mounting, including a speaker with a horn expansion area to direct sound waves from the speaker to a horn enclosure front, at least one light enclosure located within the horn enclosure, the light enclosure defining a light cavity which is separated from said horn expansion area, with a light source inside the light cavity. The light source can be an LED array, which is capable of displaying text, colors or patterns in response to a control system signal. | 10-20-2011 |
20120002825 | LIMITING PEAK AUDIO POWER IN MOBILE DEVICES - Systems and methods of limiting peak audio power in mobile devices may include a high pass filter and a burst module to detect a burst load condition in a mobile device. The burst module can also apply the high pass filter to an audio signal of the mobile device in response to the burst load condition to obtain a filtered signal, and transmit the filtered audio signal to a speaker of the mobile device. | 01-05-2012 |
20120008800 | TELEPHONE ENHANCEMENTS - A telephone user's speech volume is monitored in relation to a minimum volume sufficient for a remote conversant, with whom the user communicates, to audibly perceive the user's speech. Upon detecting that the user's volume exceeds the level sufficient to communication, it is determined whether the user moderates the volume, without being prompted, to the sufficient level. Upon determining that the user moderates the speaking voice without being prompted, positive reinforcement is provided to the user. Results are recorded over multiple phone calls. A frequency of the user moderating the speaking volume without being prompted is tracked from the recorded results. Upon the frequency of the user moderating the volume without being prompted rising over the tracked phone calls, the quality and/or quantity of the positive reinforcement may be improved. The user is thus trained or treated, e.g., audiologically or therapeutically, to self-modulate the volume. | 01-12-2012 |
20120027225 | BELL SOUND OUTPUTTING APPARATUS AND METHOD THEREOF - A method and apparatus for outputting a bell sound are disclosed. The method includes receiving an ambient noise; extracting a target frequency band from the ambient noise; changing volume of a pre-stored bell sound by using the target frequency band; and outputting the changed pre-stored bell sound. In the apparatus for outputting a bell sound, when a bell sound outputting apparatus receives an incoming call signal, a user may hear a bell sound including a signal in a frequency band not existing in a peripheral environment, and thus may easily recognize the bell sound. | 02-02-2012 |
20120039486 | WIRELESS SOUND AMPLIFICATION SYSTEM WITH MICROPHONE BASED VOLUME CONTROL - A wireless sound amplification system with microphone based volume control includes a wireless microphone and an audio system. The wireless microphone includes an audio pickup unit for converting sound to an audio signal, an adjustment unit configured to receive an adjustment user input, and a processing unit. The processing unit includes an amplifier configured to use a first amplification gain to amplify the audio signal from the audio pickup unit and to thereby generate an amplified audio signal. The processor further includes a controller unit configured to output a control signal based on the adjustment user input received by the adjustment unit. The processor further includes an encoder that generates a transmission signal by encoding the amplified audio signal from the amplifier and the control signal from the controller unit. The wireless microphone also includes a transmitting unit. | 02-16-2012 |
20120039487 | FIRST STAGE AMPLIFIER CIRCUIT - An external audio signal is input to an input terminal which is connected to the first terminal of a first resistor. The first terminal of a second resistor is connected to the second terminal of the first resistor. An operational amplifier is arranged such that its inverting input terminal is connected to the second terminal of the second resistor, and a reference voltage is applied to its non-inverting input terminal. A third resistor is arranged between the output terminal and the inverting input terminal of the operational amplifier. A first diode is arranged between the second terminal of the first resistor and a power supply terminal such that its cathode is on the power supply terminal side. Furthermore, a second diode is arranged between the second terminal of the first resistor and the ground such that its cathode is on the second terminal side of the first resistor. | 02-16-2012 |
20120039488 | LEVEL ADJUSTMENT DEVICE - It is possible to enable automatic on/off switching of a pad and to prevent frequent occurrence of on/off switching of a pad even when a user carries out fine manipulation. A level adjustment device includes a pad which attenuates a signal by a predetermined level, an amplifier which is provided at the back of the pad to adjust the level of the signal with a variable amplification rate or attenuation rate, and a level adjustment unit which, when the pad is off, uses only the amplifier and, when the pad is on, uses the amplifier and the pad to adjust the level of the acoustic signal. The setting of a level adjustment value by the level adjustment unit is received, when the level adjustment value reaches a predetermined switching point Tsw, the on/off of the pad is switched, and when an instruction is issued to start a performance mode, the value of the switching point Tsw is changed so as to be away from the level adjustment value at the point of time of the instruction. | 02-16-2012 |
20120057725 | CONTROL TERMINAL APPARATUS AND CONTROL METHOD - A control terminal apparatus includes a transmission unit transmitting a control signal to audio output apparatuses, a display unit, an operation detector detecting an operation associated with display content, and a controller displaying individual volume setting sections which correspond to the audio output apparatuses and which include operation members performing variable operations of volume settings while volume setting states are displayed, displaying a master volume setting section including an operation member performing collective variable operation while the volume balance of the audio output apparatuses is maintained, executing clear display of a setting changeable range in which the volume balance is maintained in the master volume setting section, generating, when the operation detector detects an operation performed on one of the individual volume setting sections or the master volume setting section, a control signal corresponding to content of the operation, and causing the transmission unit to transmit the control signal. | 03-08-2012 |
20120070017 | MEDIA DELIVERY SYSTEM WITH IMPROVED INTERACTION - Methods and systems for improved interaction between media devices and accessory devices are disclosed. In one embodiment, the improved interaction can operate to configure a user interface of a media device dependent on the type or condition of an accessory device. In the same or another embodiment, the improved interaction can exchange status information between a media device and an accessory device that can influence operation of either or both of the devices. | 03-22-2012 |
20120087515 | CIRCUIT, SYSTEM AND METHOD FOR ISOLATING A TRANSDUCER FROM AN AMPLIFIER IN AN ELECTRONIC DEVICE - A circuit, device and method for controlling an output signal of an amplifier are provided. The output signal may be controlled through a first stage located before a digital to analog converter and/or a second stage located after it. The first stage boosts the digital signal to match with the full signal range of the converter. For the second stage, the circuit comprises: a first resistor coupled to an output of the amplifier in series, the first resistor having a resistance value Rs; a second resistor coupled to the first resistor in series, the second resistor having a resistance value Rp; and an output terminal for a transducer connected to the electronic device, the output terminal connected in parallel to the second resistor. In the circuit, the resistance values Rs and Rp are related by an inversely proportional relationship. The circuit provides an output signal at the output terminal having a noise floor that varies with an output level of the amplifier and a constant output impedance as seen from the transducer. | 04-12-2012 |
20120163629 | Calculating and Adjusting the Perceived Loudness and/or the Perceived Spectral Balance of an Audio Signal - The invention relates to the measurement and control of the perceived sound loudness and/or the perceived spectral balance of an audio signal. An audio signal is modified in response to calculations performed at least in part in the perceptual (psychoacoustic) loudness domain. The invention is useful, for example, in one or more of: loudness-compensating volume control, automatic gain control, dynamic range control (including, for example, limiters, compressors, expanders, etc.), dynamic equalization, and compensating for background noise interference in an audio playback environment. The invention includes not only methods but also corresponding computer programs and apparatus. | 06-28-2012 |
20120213387 | Acoustic Horn Gain Managing - A horn loudspeaker with gain shading. The horn loudspeaker includes an acoustic horn. The acoustic horn includes side walls, for determining the horizontal dispersion angle of the acoustic horn, top and bottom walls, for determining the vertical dispersion angle of the acoustic horn, and a plurality of acoustic drivers coupled to the acoustic horn by a diffraction slot having segments. Each of the segments is separated from the adjacent segments by less than one half of the wavelength of the highest frequency of the operational range of the horn loudspeaker. The horn loudspeaker further includes circuitry for transmitting an audio signal to the plurality of acoustic drivers, the circuitry comprising a first signal attenuation element electrically coupling an audio signal input element and a first of the acoustic drivers. | 08-23-2012 |
20120237057 | AUDIO DRIVER CIRCUIT - An audio driver circuit includes a comparison circuit, a power distributing circuit, and an audio output circuit. The comparison circuit at least includes a comparator included a non-inverting input, an inverting input, and an output. The non-inverting input is electrically connected to a drive power supply. The inverting input is electrically connected to a reference power supply. The output of the comparator is electrically connected to an input of the power distributing circuit. The audio driver circuit further includes a mute control circuit. An output of the power distributing circuit is electrically connected to the mute control circuit. An input of the audio output unit is also electrically connected to the mute control circuit. | 09-20-2012 |
20120250887 | Volume scale selection - Embodiments herein relate to volume scale selection by a computing device. In an embodiment, the computing device includes a rotational device to assert a volume signal when the rotational device is rotated. Further, the computing device is to select one of a plurality of volume scales based on whether a peripheral audio device is connected to the computing device and is to correlate the volume signal to one of a plurality of values of the selected volume scale. | 10-04-2012 |
20120250888 | AUDIO SIGNAL PROCESSING APPARATUS - An audio signal processing apparatus has a plurality of channels for controlling a plurality of audio signals. In the apparatus, a volume setting unit sets volume parameters of the plurality of channels. A group generation unit determines a plurality of groups each including one or more channels among the plurality of channels. An attenuation setting unit sets an attenuation amount for each group. An on/off setting unit sets each group to either an on-state or an off-state. A plurality of volume controllers control the plurality of channels, a volume controller of each channel, which belongs to a group in the off-state, controlling a level of the channel and a volume controller of each channel, which belongs to a group in the on-state, generating a volume value by attenuating the volume parameter set to the channel by the attenuation amount set to the group and controlling a level of the channel. | 10-04-2012 |
20120308044 | MUTING PARTICIPANTS IN A COMMUNICATION SESSION - In general, this disclosure describes techniques for muting participants in a communication session. A communication session, such as a teleconference or a video conference, may be established between a plurality of participants using devices. Each participant engaged in the communication session may be authorized to mute or un-mute other participants. Information related to the communication session may be provided to some of the participants, including but are not limited to, indications of when a participant is muted or un-muted, indications of which participant initiated a muting or un-muting, indications of volume of a participant, or indications of types of sounds in a communication session. Social controls, utilized through transparency (e.g., providing identifying indications), may reduce the chance of misuse of the muting functionality. | 12-06-2012 |
20130016858 | Portable Information Processing DeviceAANM Masaki; YasuoAACI Daito-shiAACO JPAAGP Masaki; Yasuo Daito-shi JPAANM Kohno; SeiAACI Daito-shiAACO JPAAGP Kohno; Sei Daito-shi JP - Disclosed is a portable information processing device which can simplify volume control operation when media data is played back using an external playback apparatus. A control portion ( | 01-17-2013 |
20130022218 | SOUND CONTROL APPARATUS, PROGRAM, AND CONTROL METHOD - A sound control apparatus includes a display unit and a controller. The display unit is configured to display an object on a screen. The controller is configured to control a volume of information on the object based on one of a position and area of the object on the screen. | 01-24-2013 |
20130070939 | SIGNAL PROCESSING APPARATUS - A signal processing apparatus is configured to change volume level or frequency characteristics of an input signal with a limited bandwidth in a first frequency range. The apparatus includes: an information extracting unit configured to extract second frequency characteristic information from a collection signal with a limited bandwidth in a second frequency range different from the first frequency range; a frequency characteristic information extending unit configured to estimate first frequency characteristic information from the second frequency characteristic information extracted by the information extracting unit, the first frequency characteristic information including the first frequency range; and a signal correcting unit configured to change volume level or frequency characteristics of the input signal according to the first frequency characteristic information obtained by the frequency characteristic information extending unit. | 03-21-2013 |
20130094666 | Distance-Based Rendering of Media Files - A rendering device is configured to dynamically vary how audio and visual information is rendered by a rendering device responsive to changes in distance between the rendering device and a mobile device carried by a user. As the user moves about, the distance between the rendering device and the mobile device carried by the user will vary. As the distance between the mobile device and the rendering device changes, the rendering system can dynamically adapt how the audio and visual information is rendered. For example, the rendering device can increase or decrease the volume of an audio output, depending on changes in the distance. Also, the rendering device can change how visual information is rendered on a display responsive to changes in distance. In some embodiments, when the distance between the mobile device and rendering device exceeds a predetermined distance, the audio and/or visual information may be sent to the mobile device. | 04-18-2013 |
20130094667 | SYSTEMS, METHODS, APPARATUS, AND ARTICLES OF MANUFACTURE TO CONTROL AUDIO PLAYBACK DEVICES - Systems, methods, apparatus, and articles of manufacture to control audio playback devices are disclosed. An example audio playback device includes an audio output device to generate audio signals based on a signal source, a device interface to receive a first message from a first audio information source, and a source selector to change the signal source from a second audio information source to the first audio information source based on the first message. | 04-18-2013 |
20130114832 | WIRELESS FUNCTION STATE SYNCHRONIZATION - A system for facilitating synchronized apparatus interaction. In accordance with at least one embodiment of the present invention, an apparatus may determine if muting of a microphone has been requested. If the apparatus determines that muting has been requested, the apparatus may activate muting of the microphone and may transmit a message comprising information indicating that muting has been activated. | 05-09-2013 |
20130121509 | Sound Transducer with Interdigitated First and Second Sets of Comb Fingers - A sound transducer includes a substrate with a cavity with extending from a first surface of the substrate, a body at least partially covering the cavity and being connected to the substrate by at least one resilient hinge, a first set of comb fingers mounted to the substrate, and a second set of comb fingers mounted to the body. The first set of comb fingers and the second set of comb fingers are interdigitated and configured to create an electrostatic force driving the body in a direction perpendicular to the first surface of the substrate. The body and the at least one resilient hinge are configured for a resonant or a near-resonant excitation by the electrostatic force. | 05-16-2013 |
20130202131 | SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, PROGRAM,SIGNAL PROCESSING SYSTEM, AND COMMUNICATION TERMINAL - There is provided a signal processing apparatus including a provision control unit that provides choices expressed subjectively and associated with control for an acoustic signal, and an output unit that outputs a predetermined choice selected from the provided choices. | 08-08-2013 |
20130223649 | LOAD CURRENT SENSING - Techniques for sensing current delivered to a load by a differential output stage, e.g., in a Class D amplifier. In one aspect, voltages across sense resistors coupled in series with first and second branches of the differential output stage are low-passed filtered and digitized. The sense resistors may be coupled in series with the sources of transistors of the first and second branches, wherein the transistors are selectively switchable on and off by input voltage driving voltages. The input driving voltages may correspond to a ternary voltage waveform such that during a given phase, the two transistors coupled in series with the sense resistors may be turned off. Further aspects provide for the first and second branches having cascoded NMOS and/or PMOS transistors, and the sense resistors being provided between a pair of cascoded transistors. | 08-29-2013 |
20130230191 | METHOD FOR ENHANCING LOW FREQUENCES IN A DIGITAL AUDIO SIGNAL - The method comprises the steps of: a) converting the digital audio signal (PCM) into a voltage signal (V | 09-05-2013 |
20130236032 | ADJUSTING A DATA RATE OF A DIGITAL AUDIO STREAM BASED ON DYNAMICALLY DETERMINED AUDIO PLAYBACK SYSTEM CAPABILITIES - A computing device may be configured to output a digital audio stream to an audio playback system for rendering as sound over speakers. The sound may be sampled. Based at least in part on a quality of the sampled sound, the data rate of the digital audio stream may be reduced by reducing a sampling rate and/or by reducing a number of bits per sample. A reduced sampling rate may be determined based on a computed maximum sampling rate of the audio playback system, and/or a reduced number of bits per sample may be determined based on a computed maximum number of bits per sample of the audio playback system. The maximum usable sampling rate and maximum usable number of bits per sample may be determined based on an upper usable frequency within a frequency spectrum of the sampled sound. | 09-12-2013 |
20130243222 | Audio Control Using Auditory Event Detection - In one disclosed aspect, modifications are applied to an audio signal at least partly in response to auditory events. In another aspect, an input channel is divided into auditory events by detecting changes in a measurable characteristic of the input signal. | 09-19-2013 |
20130259264 | VOLUME CONTROL APPARATUS - A volume control apparatus includes a first amplification section configured to change an amplification factor of main audio based on a volume operation by a user and a second amplification section configured to amplify, during a main audio and sub-audio input period when the amplification factor of the main audio is equal to or lower than a first amplification factor, the sub-audio with a second amplification factor which is higher than the first amplification factor, and amplify, when the amplification factor of the main audio is a third amplification factor which is higher than the first amplification factor, the sub-audio with a fourth amplification factor which is higher than the second amplification factor and which changes depending on the third amplification factor. | 10-03-2013 |
20130294621 | AUDIO SIGNAL PROCESSING METHOD AND ELECTRONIC DEVICE SUPPORTING THE SAME - A method of processing an audio signal is provided. The method includes receiving at least one digital audio stream from at least one audio source, applying at least one gain value to each of the at least one digital audio stream by a gain adjustment unit, mixing the at least one digital audio stream to which the at least one gain value has been applied, calculating a representative gain value from the at least one gain value, calculating an extra valid headroom based on the representative gain value for correction of the mixed at least one digital audio stream, and post-processing the mixed at least one digital audio stream using the extra valid headroom. | 11-07-2013 |
20130329911 | APPARATUS AND METHOD FOR ADJUSTING VOLUME IN TERMINAL - A method terminal includes an apparatus for automatically adjusting volume in the terminal. An automatic volume adjuster extracts a representative volume from individual frame information of an audio file, and adjusts a master volume by a deviation between the extracted representative volume and a reference volume, and a controller plays the audio file with the master volume adjusted by the automatic volume adjuster. | 12-12-2013 |
20140003628 | Condenser Microphone | 01-02-2014 |
20140010384 | MICROPHONE AMPLIFIER CIRCUIT - The invention provides a microphone amplifier circuit which enhances the SNR (signal noise ratio) and expands the dynamic range by reducing the noise level. A microphone amplifier circuit includes a preamplifier which amplifies an audio signal from a capacitor microphone, a level detection circuit which outputs a level detection signal when the level of the audio signal is in the vicinity of the noise level of the microphone amplifier circuit, and an attenuator which attenuates the level of the audio signal outputted from the preamplifier in response to the level detection signal. The preamplifier includes an operational amplifier, a feedback capacitor and a feedback resistor. | 01-09-2014 |
20140029764 | VIRTUAL MACHINE-BASED SOUND CONTROL FOR COMPUTERIZED DEVICES IN A NETWORKED COMPUTING ENVIRONMENT - In general, embodiments of the present invention provide an approach for VM-based sound control (e.g., volume control, playback, recording, etc.) for computerized/electronic devices (e.g., personal computers (PCs), tablets, smart phones, media players, etc) in a networked computing environment (e.g. a cloud computing environment). In a typical embodiment, a system/architecture is provided that comprises a virtual machine (VM) in communication with a computerized device (e.g., a PC) over a network (e.g., a cloud computing network). These components each comprise elements that provide for optimal control of recording and playing back of sounds. | 01-30-2014 |
20140098975 | INCREASING PERCEIVED SIGNAL STRENGTH USING PERSISTENCE OF HEARING CHARACTERISTICS - One example embodiment increases perceived signal strength of a sound signal based on persistence of hearing. When the ear perceives a signal it takes a finite length of time to process it. During that time period the ear does not recognize input and is, in effect, “Turned Off”. In accordance with one aspect of the technology, these periods of “unheard” audio input are utilized so that they supplement the information which the ear sends to the brain. An exemplary system includes a switch, configured to route the audio alternatively to two signal paths—one which includes a delay circuit that delays that audio by an amount equal to the ear's persistence of hearing interval. The system also includes a signal combiner configured to combine outputs from the two signal paths, so as to provide the brain with a signal that it will perceive as being twice as loud as the original. | 04-10-2014 |
20140105419 | ASYMMETRIC POLYNOMIAL PSYCHOACOUSTIC BASS ENHANCEMENT - Psychoacoustic bass audio signal enhancement can be accomplished using a monotonic, asymmetric polynomial distortion. A non-linear process applies a monotonic, asymmetric polynomial distortion function that has continuous first and second derivatives to generate even and odd harmonics of missing fundamental frequencies. This polynomial distortion produces the desired psychoacoustic effect with a fairly rapid roll-off so as to avoid unpleasant aliasing. Moreover, the lack of first-order discontinuities prevents clicks or glitches. | 04-17-2014 |
20140140537 | AUDIO LOUDNESS CONTROL SYSTEM - An audio loudness control system includes a loudness adjuster module configured to adjust a level of an audio signal based on parameters associated with the audio signal. The parameters may include identification of a source of the audio signal. The parameters associated with the audio signal may be provided to the loudness adjuster in a message associated with the audio signal. The audio loudness control system may also include a database in communication with the loudness adjuster module. The loudness adjuster module may be configured to extract loudness related settings or parameters from the database that are associated with a source of the audio signal. | 05-22-2014 |
20140169586 | AUDIO SIGNAL ADAPTER DEVICE - An audio signal adapter device is provided. The audio signal adapter device comprises an input interface, an output interface, a boosting unit, a rectifying unit and a filtering unit. The input interface comprises an audio pin configured to receive an audio signal and to output the audio signal to the boosting unit. The boosting unit is configured to boost a voltage of the audio signal and to output a boosted audio signal to an input end of the rectifying unit. The rectifying unit is configured to rectify the boosted audio signal to obtain a rectified level and to output the rectified level to an input end of the filtering unit. The filtering unit is configured to filter the rectified level to obtain a direct current level and to output the direct current level to a power pin of the output interface. | 06-19-2014 |
20140177873 | PORTABLE ELECTRONIC DEVICE WITH COMBINATION BUTTON FOR POWER AND VOLUME AND OPERATING METHOD - A portable electronic device includes a combination button and a gravity sensor. The gravity sensor detects gravity variation of the portable electronic device. When the combination button is pressed for a first predetermined time, the gravity sensor begins. When the combination button is pressed within a second predetermined time and the gravity sensor detects no gravity variation, the combination button's power switch function shuts down the portable electronic device. If the gravity sensor detects a gravity variation, the combination button's volume adjusting function can increase or decrease the volume of the portable electronic device according to the gravity variation. | 06-26-2014 |
20140376746 | METHOD FOR NORMALIZING THE POWER OF A SOUND SIGNAL AND ASSOCIATED PROCESSING DEVICE - A method and device for normalizing the power of an electrical signal, referred to as an original sound signal S | 12-25-2014 |
20150049882 | AUDIO DEVICE AND AUDIO UTILIZATION METHOD HAVING HAPTIC COMPENSATION FUNCTION - The present invention discloses an audio device having haptic compensation function capable of compensating a haptic effect according to a power measuring result and an audio signal. An embodiment of the audio device comprises: an audio signal generating circuit operable to generate an audio signal; a power measuring circuit operable to measure a remaining electric quantity of a power source and thereby generate a power measuring result; and a haptic compensating circuit, coupled to the audio signal generating circuit and the power measuring circuit, operable to adjust a gain of the audio signal or the derived signal thereof according to the power measuring result and thereby output a haptic compensation signal which is used to compensate the haptic effect. | 02-19-2015 |
20150063597 | SYSTEMS AND METHODS FOR SIMULATION OF MIXING IN AIR OF RECORDED SOUNDS - A priming signal processing technique modifies digital audio recordings to reduce the stress experienced by a listener's auditory system. A priming signal may reduce the instantaneous stress experienced by the auditory system during sudden changes in signal energy. The priming signal may leverage the temporal auditory masking, such that pre-signal priming additions may not result in obvious differences in perceived sounds. | 03-05-2015 |
20150078584 | Live Sound Mixer User Interface - Exemplary embodiments are directed to an apparatus and method for a user interface of an audio mixer intended for live performance situations where the musician can quickly and easily manipulate a plurality of audio levels and complex sound effects parameters. The user interface is comprised of a hierarchical control interaction that reduces the number of physical controls on the panel while also reducing the number of user interactions required to adjust a parameter. The user interface lends itself to remote control of an audio mixer via a four-wire digital interface. | 03-19-2015 |
20150125001 | Audio Device and Method Having Bypass Function for Effect Change - When an effect parameter of an effector is changed, if only a switching operation is provided to bypass the original audio signals, which are input signals of the effector, during the period required for making that change, the output sound level may drastically change before and after the switching causing one to feel a sense of discomfort. In order to eliminate such a drawback, a gain adjustment circuit is provided in a bypass channel that outputs the original audio signals by bypassing the effector. The gain adjustment circuit is controlled in accordance with a rate of the output signal level of the effector and the original audio signal level, and the output signal level of the bypass channel is adjusted thereby. Consequently, a fluctuation in the output sound level before and after switching of the output signals can be eliminated. | 05-07-2015 |
20150295553 | Unitary Electronic Speaker Device For Receiving An Assignment Of A Playlist From A Home Personal Computer And Rendering The Playlist - An unitary electronic speaker device and system for rendering a playlist are provided. An assignment of a playlist identifying a plurality of songs is received from a home personal computer. In one embodiment, the unitary electronic speaker device does not have any storage space other than the memory, and uses the hard disk embodied in the home personal computer to supply the songs. The songs are received and rendered at the unitary electronic speaker device in an order defined by the playlist. Any number of the unitary electronic speaker devices may be connected in a network with the home personal computer. In one embodiment a plurality of unitary electronic speaker devices are connected through a LAN using Ethernet | 10-15-2015 |
20150326195 | AUDIO PROCESSING APPLICATION FOR WINDOWS - An audio enhancement technique comprises an audio source. The audio source is split into at least two branches and each of the branches is processed by a filter bank. Outputs from the filer banks are summed up to create a summed output signal. The summed output signal is splitting into two or more segments to create a split summed output signal. The split summed output signal is processed by one or more audio processing modules. Audio processed by each of the audio processing modules is summed to create a summed audio processed signal. The summed audio processed signal is provided to a balance module to select a balance mix of the audio source and the summed audio processed signal to create a balanced mixed audio signal. The balanced mixed audio signal is fed to a stereo output gain module for gain adjustment to create a gain adjusted stereo signal. The phase of the gain adjusted stereo signal is optionally changed in an amount between zero and 180 degrees to create a final output signal, which is sent to a playback device selected by user. | 11-12-2015 |
20160049914 | AUDIO SIGNAL SIZE CONTROL METHOD AND DEVICE - An audio signal size control method is disclosed. The control method comprises the steps of: calculating, by using an input audio signal, a first band gain for compensating for normalization degradation as a result of normalizing an input audio signal size to a target audio signal size; applying the calculated first band gain to the input audio signal; and normalizing the audio signal, to which the calculated first band gain has been applied. | 02-18-2016 |
20160150318 | MECHANICALLY ACTUATED PANEL ACOUSTIC SYSTEM - An electronic device whose enclosure or housing panel is used as part of an acoustic system is described. The panel is divided into several sub-panels. For each sub-panel, the device includes one or more actuators attached to vibrate the sub-panel. The actuator and its attached sub-panel convert an audio signal to acoustic output. Each actuator and sub-panel combination may receive a separate audio signal. The device includes a digital signal processor for controlling each of the sub-panel driving audio signals. The device may further include one or more backing frames that are attached to the panel to provide boundary conditions to the sub-panels. The boundary conditions define a resonance frequency for each sub-panel. | 05-26-2016 |
20160173046 | METHOD, HEAD UNIT AND COMPUTER-READABLE RECORDING MEDIUM FOR ADJUSTING BLUETOOTH AUDIO VOLUME | 06-16-2016 |