Class / Patent application number | Description | Number of patent applications / Date published |
381306000 | With image presentation means | 47 |
20080253592 | User interface for multi-channel sound panner - A method and apparatus for multi-channel panning is provided. Multi-channel panning allows the operator to view how a manipulated source signal will be heard by a listener at a reference point in a sound space. The panner user interface (UI) displays a separate visual element for each channel of source audio, thus the operator can see how each channel will be heard by a listener at a reference point in the sound space. Each visual element may depict the apparent point of origination of its corresponding source channel. Each visual element may depict the apparent width of origination of its corresponding source channel. Each visual element may depict the amplitude gain of its corresponding source channel. An operator can choose a mix of attenuating or collapsing behavior when panning. Moreover, the visual elements depict the relative proportions of attenuating and collapsing behavior. | 10-16-2008 |
20080285779 | Television Set - This television set includes a first speaker portion and a second speaker portion provided on prescribed left and right positions of a display screen portion respectively, a driving portion turning the display screen portion and a control portion controlling the first speaker portion and the second speaker portion so that the first speaker portion and the second speaker portion output different sounds enabling the user to identify the distances from the first and second speaker portions to the user respectively when the driving portion turns the display screen portion. | 11-20-2008 |
20090147974 | DISPLAY - A display, includes: a display section; a first output section; a second output section; and a housing containing the display section, the first output section, and the second output section, wherein, the display section has an aspect ratio with a width more than twice a height, the first output section is arranged along an upper side of the display section so as to face forward and is configured to output a plurality of channels of audio, and the second output section is arranged along a lower side of the display section so as to face forward and is configured to output a plurality of channels of audio. | 06-11-2009 |
20090208041 | Speaker arrangement - A loudspeaker assembly arranged in a surrounding surface of a multimedia apparatus, wherein the loudspeaker assembly including a transducer unit, the transducer unit being located at the back side of the multimedia apparatus. The transducer may be configured so to radiate sound away from the apparatus in directions from primarily upward to primarily backward relative to the apparatus. Each of the one or more transducer units are driven as active speakers with means for amplification per each transducer unit. | 08-20-2009 |
20090238384 | METHOD AND SUPPORT STRUCTURE FOR INTEGRATING AUDIO AND VIDEO COMPONENTS - A method and support structure for integrating audio and video components includes integrating a plurality of components having diverse functions, e.g., tuners, media player/recorders, amplifiers and a surround sound unit, into a single supportive enclosure configured as a unitary system rather than one with many boxes or modules requiring additional space. The modules may share a common power supply and heat dissipation components. The enclosure provides a stand to support a video display unit or a television set. A shelf support and an interface are optionally provided for a discrete component such as a cable box. In an alternative embodiment, the enclosure does not support a video display unit but houses a center channel speaker unit in a structure unitary with the enclosure. | 09-24-2009 |
20090252354 | SPEAKER CONFIGURATION - A system and method for speaker configuration in an audio and video housing, wherein the audio and video housing may be supported by stands located on top of a gas pump. The audio and video housing may have an audio and video source, at least one video display, and circuitry to drive the pair of speakers. The speakers may have a covering to provide protection from moisture and foreign particles. The speakers may be positioned to output sound downward directed towards the top of a gas pump. The sound may then be redirected to a first and second listening area. | 10-08-2009 |
20100034403 | VIDEO AND AUDIO OUTPUT SYSTEM - An acoustic signal output control section | 02-11-2010 |
20100119092 | POSITIONING AND REPRODUCING SCREEN SOUND SOURCE WITH HIGH RESOLUTION - A virtual screen sound source is spatially synchronized with a visual object displayed on a display. A plurality of loudspeaker sets, which each include at least three of a plurality of loudspeakers installed at the periphery of a display, are selected, individual sound sources corresponding to the respective selected loudspeaker sets are generated, and a multi-sound source is generated by overlapping the generated individual sound sources and output through loudspeakers included in the loudspeaker sets. | 05-13-2010 |
20100303265 | ENHANCING USER EXPERIENCE IN AUDIO-VISUAL SYSTEMS EMPLOYING STEREOSCOPIC DISPLAY AND DIRECTIONAL AUDIO - An audio-visual system providing a directional audio stream corresponding to an element in a same direction the element is rendered in a stereoscopic display. As a result, the audio stream may be audible only in portion of an area in the direction the element is rendered. Developers of audio-visual content can creatively use such a feature to enhance user experience as suited in the specific environment. In an embodiment, an object data provided for an element specifies whether the directional audio is to be sent in the same direction the element is rendered. Accordingly, the audio and rendered direction may be aligned only for some of the elements in a scene. In a scenario in which the audio-visual system corresponds to a game console, user interaction may determine the direction of an element, and thus both visual and audio directions are accordingly set. | 12-02-2010 |
20110007915 | DISPLAY DEVICE WITH OBJECT-ORIENTED STEREO SOUND COORDINATE DISPLAY - A display apparatus having an object-oriented 3D sound coordinate indication is disclosed, in which sounds are outputted from a speaker positioned matching with a coordinate of an object in a matrix speaker apparatus formed of a plurality of small size speakers disposed behind a display apparatus in cooperation with an object content displayed on a display apparatus screen. The display apparatus having an object-oriented 3D sound coordinate indication comprises a center channel decoder which receives an audio signal corresponding to a center channel speaker among the audio signals outputted from a decoder of the surround speaker system and separates into sound sources based on an object; a center channel matrix for setting the coordinates of sound sources based on the objects separated by the center channel decoder; a matrix amplifier for amplifying an output sound of a speaker matching with each coordinate value of the sound sources based on the object; and a plurality of speakers which are arranged in a matrix shape behind the display monitor, whereby sounds are outputted through the speakers corresponding to the coordinates of the objects displayed on the display monitor. | 01-13-2011 |
20110026743 | SYSTEM, METHOD AND APPARATUS FOR TELEVISION SPEAKER CONFIGURATION - An application for present invention includes a television with a set of speaker outputs including at least a left speaker and a right speaker. On screen displays are used to properly configure the speakers and assure maximum audio quality from the television. In some embodiments, a cross-point switch connects the speakers attached to the television with the correct outputs of an internal amplifier. | 02-03-2011 |
20110026744 | Passive Directional Acoustic Radiating - An audio system for a television using a pipe type passive directional acoustic device mounted in a television cabinet. The slotted pipe type passive directional acoustic device includes a first acoustic driver, acoustically coupled to a pipe to radiate acoustic energy into the pipe. The first pipe includes an elongated opening along at least a portion of the length of the pipe;. Acoustically resistive material is in the opening. Pressure waves are radiated to the environment through the opening. The pressure waves are characterized by a volume velocity. The pipe, the opening, and the acoustically resistive material are configured so that the volume velocity is substantially constant along the length of the pipe. The passive directional acoustic devices directionally radiate sound waves laterally from the television cabinet. | 02-03-2011 |
20110103624 | Systems and Methods for Providing Directional Audio in a Video Teleconference Meeting - Systems and methods are provided for providing directional audio in a video teleconference meeting. In one embodiment, a system is provided for providing directional audio in a video teleconference meeting. The system comprises a display formed of an acoustically transparent imaging surface and a plurality of speakers positioned about the display. The system further comprises a teleconference processor configured to receive video images of remote participants and audio data associated with sounds of the remote participants over a communication medium, display each participant about the display and provide audio data associated with a given participant to one or more speakers located close to or coincident with the displayed image of the respective remote participant. | 05-05-2011 |
20110123055 | MULTI-CHANNEL ON-DISPLAY SPATIAL AUDIO SYSTEM - A method for presenting audio-visual content for a display includes defining a window associated with a program having associated audio signals on the display. At least two audio positions for the audio signals are defined based upon a position of the window on the display, and a position of at least two speakers associated with the display. The audio signals are modified based upon the audio positions in such a manner that the audio signals appear to originate from at least a pair of locations within the window. | 05-26-2011 |
20110293122 | DISPLAY SYSTEM, DISPLAY CONTROL METHOD AND COMPUTER PROGRAM - It is expected to provide a display system, display control method and computer program for effectively outputting sound with plural display apparatuses in a two dimensional array. | 12-01-2011 |
20110311083 | PORTABLE AUDIO DEVICE WITH MICROPHONE AND CONTROLLER - A portable audio device with microphone and controller includes a generally portable housing; an aperture in the housing having sides sloped between 15 and 45 degrees relative to a central axis of the aperture with a large end that opens out of the housing and a small end that opens into the housing; a microphone inside the housing, in line with the aperture, so that sound enters the device and passes to the microphone; an audio output that provides an audio signal representing the sound; a meter on the housing that displays an input level for the microphone and an output level for the audio output; and a controller that controls the input level and the output level. An elastomer dampener for the microphone resists vibrations. Other inputs include an external connection for a musical instrument, second microphone or other input with a 48-volt power source. | 12-22-2011 |
20120070021 | APPARATUS FOR REPRODUCTING WAVE FIELD USING LOUDSPEAKER ARRAY AND THE METHOD THEREOF - Provided is an apparatus and method for reproducing a wave field using a loudspeaker array. A loudspeaker array may be configured in front of and behind a listener, and a wave field synthesis rendering and a three-dimensional sound image localization rendering may be performed based on a position of a sound source. | 03-22-2012 |
20120128184 | DISPLAY APPARATUS AND SOUND CONTROL METHOD OF THE DISPLAY APPARATUS - A display apparatus and a sound control method of the display apparatus are provided. The display apparatus includes: a display unit which displays an image thereon; a sound processor which processes an audio signal corresponding to the image displayed on the display unit and outputs the signal as a left audio signal and a right audio signal; a sensor which detects a viewing direction of a user watching the display unit; and a controller which controls the sound processor to individually adjust an extent of the left audio signal and an extent of the right audio signal corresponding to the viewing direction. With this configuration, there are provided a display apparatus which outputs a sound to optimize effects of a three-dimensional (3D) image, and a sound control method of the same. | 05-24-2012 |
20120134519 | Integrated television Mount and Audio System - A television mount incorporating an integrated audio system. The mount attaches the television to a wall or a pedestal. The mount includes an electronics/subwoofer enclosure. This enclosure house an audio amplifier and a low-range speaker. One or more external speaker supports are included in the mount—preferably by attaching the supports to the electronics/subwoofer enclosure. The speaker supports are preferably made adjustable so that the degree of extension from the mount may be adjusted by the user. | 05-31-2012 |
20120155680 | VIRTUAL AUDIO ENVIRONMENT FOR MULTIDIMENSIONAL CONFERENCING - The disclosed architecture employs signal processing techniques to provide audio perception only, or audio perception that matches the visual perception. This also provides spatial audio reproduction for multiparty teleconferencing such that the teleconferencing participants perceive themselves as if they were sitting in the same room. The solution is based on the premise that people perceive sounds as a reconstructed wavefront, and hence, the wavefronts are used to provide the spatial perceptual cues. The differences between the spatial perceptual cues derived from the reconstructed wavefront of sound waves and the ideal wavefront of sound waves form an objective metric for spatial perceptual quality, and provide the means of evaluating the overall system performance. Additionally, compensation filters are employed to improve the spatial perceptual quality of stereophonic systems by optimizing the objective metrics. | 06-21-2012 |
20120183162 | Techniques for Localized Perceptual Audio - Audio perception in local proximity to visual cues is provided. A device includes a video display, first row of audio transducers, and second row of audio transducers. The first and second rows can be vertically disposed above and below the video display. An audio transducer of the first row and an audio transducer of the second row form a column to produce, in concert, an audible signal. The perceived emanation of the audible signal is from a plane of the video display (e.g., a location of a visual cue) by weighing outputs of the audio transducers of the column In certain embodiments, the audio transducers are spaced farther apart at a periphery for increased fidelity in a center portion of the plane and less fidelity at the periphery. | 07-19-2012 |
20120195447 | SOUND FIELD CONTROL APPARATUS AND METHOD - According to one embodiment, a sound field control apparatus is provided with a control filter and a calculation unit. The filter executes an FIR computation for an acoustic signal using coefficients to output a main signal and control signals. The unit calculates the main coefficient and the coefficients based on Spatial transmission characteristics and a sound increase factor n, to set a composite sound pressure from a main speaker and control speakers to a first area to be n times of a coming sound pressure from only the main speaker, and to set a composite sound pressure from the main speaker and control speakers to a second area to be equal to the coming sound pressure from only the main speaker. | 08-02-2012 |
20120201404 | IMAGE INFORMATION PROCESSING APPARATUS AND CONTROL METHOD THEREFOR - In a normal mode, an image information processing apparatus controls volume of each channel for audio corresponding to audio data associated with a currently displayed audio-accompanying image, according to a position represented by coordinate data associated with the audio-accompanying image. On the other hand, in a search mode in which a change is being made to a map display range, the apparatus controls volume of each channel for audio corresponding to audio data associated with a currently undisplayed audio-accompanying image whose coordinate data is associated with a position in a predetermined surrounding area of the current display range while muting the audio corresponding to audio data associated with a currently displayed audio-accompanying image, where the apparatus controls the volume according to the position. | 08-09-2012 |
20120207333 | Sound Box - A sound box includes a tweeter, a mid-range speaker, a woofer, an infrared receiver, a LED displayer and an integral module. The infrared receiver receives a control signal. The LED displayer is connected to the infrared receiver. The integral module includes a processor, an audio input port, a stereo audio input port, an USB input port, a video output port, a power amplifier, an output port and a control module. The USB input port is connected to the processor. The video output port is, connected between the processor and a displayer. The power amplifier has an output port and is connected to the tweeter, mid-range speaker, woofer, infrared receiver and LED displayer. The audio output port sends signals from the audio input port, stereo audio input port, USB input port and processor to the power amplifier which generates an amplified signal. The control module is connected to the power amplifier. | 08-16-2012 |
20120250912 | LINE SPEAKER SYSTEM AND LAYOUT - A layout of line speakers reduces feedback and provides more uniform sound amplification throughout a listening area. The length of one or more line speakers is selected so that the line speakers behave as line acoustic sources throughout a listening area. The line speakers are further positioned so that a stage area is located in a null zone of each line speaker to minimize the likelihood of feedback events. | 10-04-2012 |
20120328136 | MULTIMEDIA PLAYER DEVICE - A multimedia player device includes an input module for receiving multimedia data; a projecting module electrically connected with the input module so as to output images; a virtual surround processing module electrically connected with the input module so as to calculate and process sound data; an amplifier module electrically connected with the input module and the virtual surround processing module so as to receive and process the sound data from the input module and the virtual surround processing module; and a first output unit electrically connected with the amplifier module so as to output the sound data, wherein the first output unit includes more than two speaker units. By using the built-in projecting module and the virtual surround processing module, the multimedia player device achieves both visual and surround sound effects. | 12-27-2012 |
20130022222 | METHOD AND DEVICE FOR ENCODING THREE-DIMENSIONAL SCENES WHICH INCLUDE TRANSPARENT OBJECTS IN A HOLOGRAPHIC SYSTEM - Method for computing the code for the reconstruction of three-dimensional scenes which include objects which partly absorb light or sound. The method can be implemented in a computing unit. In order to reconstruct a three-dimensional scene as realistic as possible, the diffraction patterns are computed separately at their point of origin considering the instances of absorption in the scene. The method can be used for the representation of three-dimensional scenes in a holographic display or volumetric display. Further, it can be carried out to achieve a reconstruction of sound fields in an array of sound sources. | 01-24-2013 |
20130070944 | Sound Bar Apparatus for Flat-panel Television - A sound bar apparatus for a flat-panel television is disclosed. The sound bar apparatus for the flat-panel television includes a left loudspeaker box, a right loudspeaker box and a sound bar host. The left loudspeaker box includes left loudspeaker support plates, a plurality of loudspeakers located on the left loudspeaker support plates and connected with the sound bar host, a left transmission device and an up transmission device. The right loudspeaker box includes right loudspeaker support plates, a plurality of loudspeakers located on the right loudspeaker support plates and connected with the sound bar host, a right transmission device and an up transmission device. The sound bar apparatus of the present patent application can achieve better acoustics and improve the listening experience of the audiences when watching a big television screen at a long distance. | 03-21-2013 |
20130094682 | AUGMENTED REALITY SOUND NOTIFICATION SYSTEM - A method for forming an augmented reality, which includes a surrounding environment and an augmented image. The method comprises: receiving ambient noise by an microphone array; determining whether an event is happening by analyzing the ambient noise. Generating a sound information related to the event from the ambient noise. Then determining a direction of the event relative to the user, and a sound volume of the event; generating content information of the event based on the sound information. Generating the augmented image representing the direction, sound volume, and content information of the event; and showing the surrounding environment and the augmented image on a display unit. | 04-18-2013 |
20130129122 | ORIENTATION-BASED AUDIO - A method and apparatus for outputting audio based on an orientation of an electronic device, or video shown by the electronic device. The audio may be mapped to a set of speakers using either or both of the device and video orientation to determine which speakers receive certain audio channels. | 05-23-2013 |
20130163796 | VERSATILE PORTABLE LAPTOP VIDEO MONITOR WITH KEYBOARD - In a versatile video and audio monitor, a portable laptop chassis is provided with a flat panel video display in a lid connected by a foldable hinge. No computer is provided in the chassis. The chassis has a keyboard, touchpad, rear panel, left side panel, right side panel, and front panel. At least one of the panels has an HDMI video input port with digital audio, a VGA video input port, a host USB input port for connection to a PC or other host device, an audio input port, at least one USB port for a peripheral device other than the host USB input port, a power connector, and left and right speakers. A power supply and charging circuit are also provided. The chassis further includes a powered USB hub connected to the USB ports, keyboard, and touchpad, and a display controller. | 06-27-2013 |
20130208927 | AUDIO PLAYER AND METHOD USING SAME FOR ADJUSTING AUDIO PLAYING CHANNELS - A media player includes a sound output driver, and a display unit. The sound output driver plays a channel test file for the output of only left and only right audio driving signals. The display unit displays icons indicating the audio channel being driven. A user observes the positions of channel playing icons and hears sounds from one earphone or the other, and determines whether the positions of the left and right earphones as worn are correct or reversed. The sound output driver can exchange or swap the left and right audio driving signals when the earphones are worn in a reversed fashion. | 08-15-2013 |
20130251177 | Techniques for Localized Perceptual Audio - Audio perception in local proximity to visual cues is provided. A device includes a video display, first row of audio transducers, and second row of audio transducers. The first and second rows can be vertically disposed above and below the video display. An audio transducer of the first row and an audio transducer of the second row form a column to produce, in concert, an audible signal. The perceived emanation of the audible signal is from a plane of the video display (e.g., a location of a visual cue) by weighing outputs of the audio transducers of the column In certain embodiments, the audio transducers are spaced farther apart at a periphery for increased fidelity in a center portion of the plane and less fidelity at the periphery. | 09-26-2013 |
20140003635 | AUDIO SIGNAL PROCESSING DEVICE CALIBRATION | 01-02-2014 |
20140112506 | DIRECTIONAL SOUND APPARATUS, METHOD GRAPHICAL USER INTERFACE AND SOFTWARE - A directional sound apparatus is described. The apparatus comprises a receiver operable to receive audio data associated with a video stream and to receive, over a network, ancillary audio data containing supplemental audio data associated with the video stream; a storage device operable to store a plurality of profiles, each profile being associated with a different user of the sound system and defining the audio to be provided to the user; a user location device defining a first positional location of a first user having a stored profile; an audio output operable to connect to a plurality of speakers; and an audio controller operable to control the audio output to the plurality of speakers to simultaneously provide the audio data and the supplemental audio data to the first user at the first positional location and said audio data to a second user located at a second, different, positional location. | 04-24-2014 |
20140126754 | GAME SYSTEM, GAME PROCESS CONTROL METHOD, GAME APPARATUS, AND COMPUTER-READABLE NON-TRANSITORY STORAGE MEDIUM HAVING STORED THEREIN GAME PROGRAM - A predetermined sound is reproduced at a position of a sound source object. The sound is received by a plurality of virtual microphones, and a sound volume of the sound received at each virtual microphone is calculated. In addition, a localization of the sound received at the virtual microphone is also calculated. Furthermore, a localization of a sound to be outputted to a sound output section is calculated on the basis of the loudness and the localization of the sound received at each virtual microphone. The sound of the sound source object is outputted to the sound output section on the basis of the localization. | 05-08-2014 |
20140146983 | IMAGE GENERATION FOR COLLABORATIVE SOUND SYSTEMS - In general, techniques are described for image generation for a collaborative sound system. A headend device comprising a processor may perform these techniques. The processor may be configured to determine a location of a mobile device participating in a collaborative surround sound system as a speaker of a plurality of speakers of the collaborative surround sound system. The processor may further be configured to generate an image that depicts the location of the mobile device that is participating in the collaborative surround sound system relative to the plurality of other speakers of the collaborative surround sound system. | 05-29-2014 |
20140233772 | TECHNIQUES FOR FRONT AND REAR SPEAKER AUDIO CONTROL IN A DEVICE - Techniques for audio control for an electronic device are discussed. The audio control for speaker channel configuration facilitates supporting proper audio stereo sound based at least in part on an orientation of the electronic device. | 08-21-2014 |
20140241551 | ELECTRONIC DEVICE SOUND REPRODUCTION SYSTEM - A deformable electronic device comprises a housing deformable by a user, at least one deformable speaker and a processing unit for selecting a sound reproduction method using the at least one speaker in response to deformation of the electronic device. | 08-28-2014 |
20150023533 | ORIENTATION-BASED AUDIO - A method and apparatus for outputting audio based on an orientation of an electronic device, or video shown by the electronic device. The audio may be mapped to a set of speakers using either or both of the device and video orientation to determine which speakers receive certain audio channels. | 01-22-2015 |
20150043760 | MOBILE TERMINAL WITH AT LEAST TWO TRANSDUCERS - The invention concerns a mobile terminal with at least two transducers (LSm, LSs | 02-12-2015 |
20150104051 | AUDIO OUTPUT DEVICE AND VIDEO/AUDIO OUTPUT DEVICE USING THE SAME - An audio output device including a casing, a first speaker component, a second speaker component and a sound-guiding board, and a video/audio output device using the same are disclosed. The first speaker component is a circular speaker, and is disposed at the casing. The first speaker component faces towards a first direction. The second speaker component is disposed at the casing, and faces towards a second direction which is different from the first direction. The sound-guiding board is a square plate body, located above the first speaker component, and is separated at a predetermined distance from the first speaker component. | 04-16-2015 |
20150117686 | METHOD AND APPARATUS FOR OUTPUTTING SOUND THROUGH SPEAKER - An apparatus including a first speaker configured to output higher-frequency sound from among sound of a channel via at least one slit, and a second speaker configured to output lower-frequency sound from among the sound of the channel via at least one other slit. The at least one slit may have a thickness that is less than a wavelength of sound emitted. | 04-30-2015 |
20150326815 | AUDIOVISUAL APPARATUS - An audiovisual apparatus includes: a display section configured to display a picture; and one or a plurality of main speakers and a plurality of sub-speakers each having a sound output surface generating sound corresponding to the picture. The sound output surfaces of one or more of the plurality of sub-speakers are arranged to be inclined toward outside of the display section as compared with the sound output surfaces of the main speakers. | 11-12-2015 |
20150341738 | ACOUSTIC SURROUND IMMERSION CONTROL SYSTEM AND METHOD - A method and speaker system that provides a single, user adjustable tool for controlling how and which spatialization parameters are used in a single speaker multi-driver system to enhance the sound stage. The tool creates the desired amount of audio surround effect to enhance the sound stage experience or effects in multiple sound recording mode, such as music or movies. The tool is represented in a scale that runs from ‘−10’ (less immersive) to ‘+10’ (more immersive) is set to taste by the listener and will vary with room acoustics and placement. | 11-26-2015 |
20160100253 | METHOD AND APPARATUS FOR RENDERING AN AUDIO SOURCE HAVING A MODIFIED VIRTUAL POSITION - A method, apparatus and computer program product are provided to cause AN audio source to be modified in a manner consistent with the corresponding video images once the user and/or a display upon which the images are rendered has been tilted. In regards to a method, an initial virtual position of an audio source is determined. The method also includes determining a tilt angle that defines an angle that an apparatus embodying a display for rendering images has been tilted relative to a reference orientation of the apparatus with respect to a user of the apparatus. The method may also include modifying a virtual position of an audio source based upon the tilt angle and an initial virtual position of the audio source. The method may also include causing the audio source to be rendered in accordance with the virtual position as modified. | 04-07-2016 |
20160192063 | AUDIO OUTPUT APPARATUS CAPABLE OF OUTPUTTING MULTI CHANNEL AUDIO AND DISPLAY APPARATUS APPLYING THE SAME - A display apparatus includes a display device configured to display a video data; and a plurality of integrated speakers configured to output at least one audio signal in a low-pitched tone band and at least one audio signal in a middle and high-pitched tone band. The plurality of integrated speakers may each include: a woofer speaker configured to output a first audio signal among the at least one audio signal in the low-pitched tone band; and at least one front speaker that is adjacent to the woofer speaker and configured to output a second audio signal among the at least one audio signal in the middle and high-pitched tone band. | 06-30-2016 |