Patent application number | Description | Published |
20110135117 | ENHANCED SURROUND SOUND EXPERIENCE - A method and a device configured to be connected to a portable sound recording device for capturing the surrounding sounds are provided. The device includes a right ear arrangement to attach to the right ear of a user and a left ear arrangement to attach to the left ear of the user. The right ear arrangement includes a right microphone arrangement to operatively capture surrounding sounds incident from at least two different directions, and the left ear arrangement includes a left microphone arrangement to operatively capture surrounding sounds incident from at least two different directions. | 06-09-2011 |
20110172998 | METHOD AND ARRANGEMENT FOR ENHANCING SPEECH QUALITY - The present invention relates to a method and arrangement for improving quality of a voice transmission by extracting filter coefficient parameters with respect to a voice signal in a first speech transmission rate, and using the extracted filter coefficient parameters in a second transmission rate that is equal or lower than the first transmission rate. | 07-14-2011 |
20110254829 | Wearable electronic device, viewing system and display device as well as method for operating a wearable electronic device and method for operating a viewing system - The present invention relates to a wearable electronic device, a viewing system comprising the wearable electronic device, a display device and methods for operating a wearable electronic device and a viewing system, respectively, wherein the wearable electronic device comprises a pair of glasses which can be controlled to change their optical state in a way to allow other and more flexible use of the equipment. The wearable electronic device for watching images comprises a left glass and a right glass which are adapted to change between a dark state and a transparent state of the glass and a controller operable to control the state of the glasses synchronous with a display of a plurality of images per second by a display device so that said left glass and said right glass are both in a dark state at the same time for a specific displayed image. | 10-20-2011 |
20120163625 | METHOD OF CONTROLLING AUDIO RECORDING AND ELECTRONIC DEVICE - A method of controlling audio recording using an electronic device and an electronic device are described. The electronic device comprises a microphone arrangement having a directivity pattern. A target direction relative to the electronic device is automatically determined in response to sensor data representing at least a portion of an area surrounding the electronic device. The microphone arrangement is automatically controlled in response to the determined target direction to adjust an angular orientation of the directivity pattern relative to the electronic device. | 06-28-2012 |
20120307048 | SENSOR-BASED PLACEMENT OF SOUND IN VIDEO RECORDING - A method may include receiving video recorded with a camera and audio recorded with a microphone, wherein the video and audio were recorded simultaneously, and wherein the microphone is configured to move relative to the camera. The method may further include receiving a selection from a user of an object in the video, wherein the object is collocated with the microphone that recorded the audio. The method may further include tracking the object in the video and determining a location over time of the microphone relative to the camera based on the tracking of the object. | 12-06-2012 |
20120321103 | IN-EAR HEADPHONE - A headphone device includes a housing having a leakage hole to reduce pressure between a user's ear and the housing, a speaker positioned within the housing, and an audio processing module. The audio processing module is configured to receive an audio signal from an audio device, determine whether the audio signal includes at least a predetermined level of audio having a frequency in a first range of frequencies, transmit a first leakage control signal to a leakage hole valve when it is determined that the audio includes at least the predetermined level of low frequency audio; and transmit a second leakage control signal to the leakage hole valve when it is determined that the audio does not include at least the predetermined level of low frequency audio. The leakage hole valve is configured to close the leakage hole upon receipt of the first leakage control signal and open the leakage hole upon receipt of the second leakage control signal. | 12-20-2012 |
20120328107 | AUDIO METRICS FOR HEAD-RELATED TRANSFER FUNCTION (HRTF) SELECTION OR ADAPTATION - A method includes detecting, via a first microphone coupled to a user's left ear, a sound, detecting, via a second microphone coupled to the user's right ear, the sound, determining a time difference between detection of the sound at the first microphone and detection of the sound at the second microphone, and estimating a user's head size based on the time difference. The method also includes identifying a head-related transfer function (HRTF) associated with the user's head size or modifying, a HRTF based on the user's head size. The method further includes applying the identified HRTF or modified HRTF to audio signals to produce output signals and forwarding the output signals to first and second speakers coupled to the user's left and right ears. | 12-27-2012 |
20130044888 | AUDIO DEVICE AND AUDIO PRODUCING METHOD - The invention relates to an audio device comprising:
| 02-21-2013 |
20130136301 | METHOD FOR CALIBRATION OF A SENSOR UNIT AND ACCESSORY COMPRISING THE SAME - Method, means, portable terminal accessory and system for calibrating a sensor device comprising a positioning unit detecting the position of the electronic device, an image capturing unit capturing an image of the environment around the electronic device, a processing unit detecting the presence of at least one identifiable object in the image captured and from a comparison of the position of the object in relation to the position of the user determining the heading of a user of the electronic device. Once the heading of the user is determined, it is used to calibrate one or more sensor devices or sensor functionalities in the electronic device. | 05-30-2013 |
20130157721 | METHOD FOR DETERMINING THE RELATIVE POSITION OF DEVICES - The present invention relates to a method and arrangement for positioning at least two devices, a first and a second device relative each other. The method comprises: transmitting a number of magnetic pulses with the first device, detecting said pulses with the second device, based on said detected pulses generating a number of virtual planes, and determining a crossing line between said planes corresponding to a direction between said devices. | 06-20-2013 |
20130170679 | REDUCING HEAD-RELATED TRANSFER FUNCTION DATA VOLUME - A device may store a subset of a plurality of head-related transfer functions (HRTFs) for emulating stereo sound from a source in three-dimensional (3D) space, each of the HRTFs corresponding to a direction from which the stereo sound is perceived to arrive, by a user hearing the stereo sound. The device may also obtain a first direction from which first stereo sound is perceived to arrive, by the user and determine whether the subset of the plurality of HRTFs includes a first HRTF corresponding to the first direction, wherein the plurality of HRTFs include the first HRTF. Further, the device may select two HRTFs in the subset of the HRTFs, wherein directions that are associated with the two HRTFs are closer to the first direction than directions of other HRTFs in the subset of the HRTFs; | 07-04-2013 |
20130177166 | HEAD-RELATED TRANSFER FUNCTION (HRTF) SELECTION OR ADAPTATION BASED ON HEAD SIZE - A method includes determining a user's head size, forwarding information associated with the user's head size to a processing device. The method also includes identifying, by the processing device, a head-related transfer function (HRTF) associated with the user's head size or modifying, by the processing device, a HRTF based on the user's head size. The method further includes applying the identified HRTF or modified HRTF to audio signals to produce output signals, and forwarding the output signals to first and second speakers. | 07-11-2013 |
20130204532 | IDENTIFYING WIND DIRECTION AND WIND SPEED USING WIND NOISE - A headset device includes binaural wind sensors to receive wind noise. The binaural wind sensors include a left wind sensor and a right wind sensor. The headset device includes a processor to execute instructions to receive wind noise induced by wind at the binaural wind sensors. The processor is also to determine a sound energy density distribution of the wind noise. The processor is to match the sound energy density distribution to one of a plurality of reference sound energy density distributions. Each of the plurality of reference sound energy density distributions includes an associated wind speed and wind direction. The processor is further to identify a wind speed and a wind direction corresponding to the matched reference sound energy density distribution. | 08-08-2013 |
20130287224 | NOISE SUPPRESSION BASED ON CORRELATION OF SOUND IN A MICROPHONE ARRAY - A microphone array includes a left microphone, a right microphone and a processor to receive a right microphone signal from the right microphone and a left microphone signal from the left microphone. The processor determines a timing difference between the left microphone signal and the right microphone signal. The processor determines whether the timing difference is within a time threshold. The processor time shifts one of the left microphone signal and the right microphone signal based on the timing difference. The processor also sums the shifted microphone signal and the other microphone signal to form an output signal. | 10-31-2013 |
20140057572 | METHOD AND SYSTEM FOR ALIGNMENT OF SENSORS IN A SIMILAR ENVIRONMENT - A method and system for alignment of sensor units comprised in at least two independent communication devices operating in the same environment, the method may comprise the steps of receiving a first signal representing sensor data collected by a first sensor unit comprised in a first communication device, receiving a second signal representing sensor data collected by a second sensor unit comprised in a second communication device, calculating a correlation function between the first signal and the second signal, defining the time difference between first and second signals by finding a maximum in the correlation function while time shifting the first and the second signals and calibrate the first and second sensor units to compensate for the defined time difference. | 02-27-2014 |
20140321670 | Devices, Methods and Computer Program Products for Controlling Loudness - A method by an electronic device for controlling a frequency response of audio output includes: receiving an audio signal at the device; estimating a sound pressure level of the audio signal based on one or more attributes or settings of the electronic device and/or the audio signal; generating values of an adaptive loudness control curve along a range of frequencies, wherein the adaptive loudness control curve is generated based on a difference between values of an equal loudness curve at the estimated sound pressure level along and values of an equal loudness curve at a reference sound pressure level; filtering the audio signal using values of the adaptive loudness control curve; and controlling output of the filtered audio signal as an audio output having substantially the same loudness along the range of frequencies. | 10-30-2014 |
20140328501 | HIGH DYNAMIC MICROPHONE SYSTEM - The invention is directed to systems, methods and computer program products associated with a microphone system for receiving a sound and producing an output signal representing the sound. The microphone system has a first microphone having a first dynamic range, the first microphone to receive the sound and produce a first sound signal based on the received sound. It also has a second microphone having a second dynamic range, the second microphone to receive the sound and produce a second sound signal based on the received sound, wherein the first dynamic range and the second dynamic range overlap thereby forming a transition dynamic range and processing logic operatively coupled to the first microphone and the second microphone. The processing logic is configured to receive the first sound signal from the first microphone, receive the second sound signal from the second microphone, and generate the output signal by combining the first sound signal and the second sound signal. | 11-06-2014 |
20140376753 | CROSSTALK REDUCTION IN A HEADSET - A method for reducing crosstalk in a headset connected to an audio device, in which the includes a left headphone, a right headphone and a common ground for the left headphone and the right headphone includes determining a frequency dependent impedance of the headset. The method also includes determining a frequency dependent impedance of the common ground, and determining a frequency dependent substantially optimum cross feed for attenuating crosstalk in at least one of the left headphone and the right headphone based on the impedance of the headset and the frequency dependent impedance of the common ground. The method further includes applying the frequency dependent substantially optimum cross feed to attenuate the crosstalk in the at least one of the left headphone and the right headphone. | 12-25-2014 |