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Searching: audio signal





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Patent # Description
US-1,045,5347 Playback based on number of listeners
Systems, methods, and apparatus to process audio signals based on a number of listeners are disclosed. An example implementation involves a playback device...
US-1,045,5346 Method and device for audio signal processing
The present invention relates to a method and an apparatus for processing a signal, which are used for effectively reproducing an audio signal, and more...
US-1,045,5344 Compatible multi-channel coding/decoding
In processing a multi-channel audio signal having at least three original channels, a first downmix channel and a second downmix channel are provided, which are...
US-1,045,5340 Validating the operation of a transducer and an audio signal path
Systems and methods for validating the operation of a transducer and an audio signal path to the transducer. An example method includes switching, with an audio...
US-1,045,5335 Systems and methods for modifying an audio signal using custom psychoacoustic models
Systems and methods are provided for modifying an audio signal using custom psychoacoustic models. A user's hearing profile is first obtained. Subsequently, a...
US-1,045,5334 Signal amplifier
A hearing prosthesis circuit includes a power source, a first amplifier coupled to the power source, and a second amplifier coupled to the power source. The...
US-1,045,5326 Audio feedback reduction utilizing adaptive filters and nonlinear processing
Traditional audio feedback elimination systems may attempt to reduce the effect of the audio feedback by simply scaling down the audio volume of the signal...
US-1,045,5325 Direction of arrival estimation for multiple audio content streams
A method for estimating directions of arrival of audio signals based on categories is disclosed herein. The method includes receiving an audio signal;...
US-1,045,5323 Microphone probe, method, system and computer program product for audio signals processing
The invention concerns a microphone probe having a body being substantially a first solid of revolution with a number of audio sensors distributed thereon and...
US-1,045,5319 Reducing noise in audio signals
A method, a system, and a computer program product reducing noise in audio received by at least one microphone. The method includes determining, from an audio...
US-1,045,5316 Earphone with earphone housing and speaker housing
Disclosed is an earphone for a hearing device, wherein the earphone is configured to be worn at the ear of a user, the earphone comprising: a speaker housing...
US-1,045,5315 Inverted balloon system and inflation management system
At least one exemplary embodiment is directed to an earpiece having a balloon and a stent where the balloon is mounted on the stent and the stent incorporates...
US-1,045,5307 Wireless sound-emitting device and system for remotely controlling a sound-emitting device
A wireless sound-emitting device includes a housing adapted to be coupled to a wall at a source of electric power, a loudspeaker positioned at a periphery of...
US-1,045,5284 Dynamic customization and monetization of audio-visual content
Systems and methods for dynamic customization of audio-visual content are described. In some implementations, a process may include receiving at least one...
US-1,045,5078 Enhancing privacy in mobile phone calls by caller controlled audio delivering modes
An apparatus and method for controlling mobile phone settings can include setting up an external speaker or an auxiliary port providing an audio signal output....
US-1,045,4442 Audio system equalizing
Processes and devices for equalizing an audio system that is adapted to use a loudspeaker to transduce test audio signals into test sounds. The processes and...
US-1,045,4439 Methods and apparatus for adjusting a level of an audio signal
The invention relates to methods and apparatus for adjusting a level of an audio signal. An audio signal is divided into a plurality of frequency bands....
US-1,045,4424 Boost control signal generator
A method and operates for generating a boost control signal for a DC-DC-booster is described. An audio signal may be received comprising a plurality of audio...
US-1,045,3470 Speech enhancement using a portable electronic device
A system and method for speech enhancement of a portable electronic device. Embodiments may include receiving an audio signal at a portable electronic device...
US-1,045,3467 Transmission-agnostic presentation-based program loudness
This disclosure falls into the field of audio coding, in particular it is related to the field of providing a framework for providing loudness consistency among...
US-1,045,3466 Apparatus and method for encoding/decoding for high frequency bandwidth extension
A method and apparatus for performing coding and decoding for high-frequency bandwidth extension. The coding apparatus may classify a coding mode of a...
US-1,045,3464 Decomposing audio signals
Example embodiments disclosed herein relate to signal processing. A method for decomposing a plurality of audio signals from at least two different channels is...
US-1,045,3463 Metadata driven dynamic range control
A system for encoding and applying Dynamic Range Control/Compression (DRC) gain values to a piece of sound program content is described. In particular, a set of...
US-1,045,3459 Interpreting assistant system
An interpreting assistant system which provides to a user captions of auditory communications in the user's vicinity. The interpreting assistant system includes...
US-1,045,3437 Sound reproduction with active noise control in a helmet
An exemplary sound reproducing, noise reducing method and system include supplying to a corresponding loudspeaker a useful signal that represents sound to be...
US-1,045,1719 System and method to indicate relative location of nodes in a group
A portable communication device implements a position indication method to determine and convey the relative locations of other portable communication devices...
US-1,044,8890 Apparatus and method for measuring biologic parameters
Support structures for positioning sensors on a physiologic tunnel for measuring physical, chemical and biological parameters of the body and to produce an...
US-1,044,8193 Providing an audio environment based on a determined loudspeaker position and orientation
The aspects disclosed herein are related to providing a stereoscopic audio environment that is based on speaker position and/or orientation. Once the speaker...
US-1,044,8192 Apparatus and method of audio stabilizing
A method comprising determining a spatial audio signal; determining an apparatus motion parameter; and stabilizing the spatial audio signal dependent on the...
US-1,044,8191 Audio signal processing apparatus and method
An audio signal processing apparatus, comprising a memory configured to store a set of pairs of predefined left ear and right ear transfer functions, which are...
US-1,044,8188 Method and apparatus for generating 3D audio content from two-channel stereo content
For generating 3D audio content from a two-channel stereo signal, the stereo signal (x(t)) is partitioned into overlapping sample blocks and is transformed into...
US-1,044,8185 Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer...
A multi-channel decorrelator for providing a plurality of decorrelated signals on the basis of a plurality of decorrelator input signals is configured to premix...
US-1,044,8159 Playback device pairing
Technology for grouping, consolidating, and pairing individual playback devices with network capability (players) to stimulate a multi-channel listening...
US-1,044,8155 Device for controlling a loudspeaker with current limitation
This control device for controlling a loudspeaker (14) in a loudspeaker enclosure, comprises: an input for an audio signal to be reproduced; a supply output...
US-1,044,8153 Interfacing a microphone or headset with multiple computing devices
In one embodiment, a circuit includes an audio jack that receives a connector of an external transducer. The circuit also includes an amplifier coupled to the...
US-1,044,8148 Hanging speaker system
A speaker system broadly comprises a plurality of speaker assemblies each including a speaker housing, an input circuit, a low range speaker, and a higher-range...
US-1,044,8146 Techniques for generating audio signals
Techniques described herein generally relate to generating an audio signal with a speaker. In some examples, a speaker device is described that includes a...
US-1,044,8140 Headphone off-ear detection
Disclosed is a signal processor for headphone off-ear detection. The signal processor includes an audio output to transmit an audio signal toward a headphone...
US-1,044,8105 Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for...
The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe (DP) data, Low-Density...
US-1,044,8054 Multi-pass compression of uncompressed data
Introduced here is a technique to create small compressed image files while preserving data quality upon decompression. Upon receiving an uncompressed data,...
US-1,044,6301 MIDI control device combining translatory and rotatory movements
A manual operating device (100) for providing a first and a second control signal in accordance with a user's operation, e.g. for controlling electronic musical...
US-1,044,6173 Apparatus, method for detecting speech production interval, and non-transitory computer-readable storage medium...
An apparatus for speech processing: calculates a pitch gain indicating a magnitude of periodicity of an audio signal for each frame, the audio signal...
US-1,044,6171 Online dereverberation algorithm based on weighted prediction error for noisy time-varying environments
Systems and methods for processing multichannel audio signals include receiving a multichannel time-domain audio input, transforming the input signal to...
US-1,044,6169 Pre-selectable and dynamic configurable multistage echo control system for large range level of acoustic echo
A method for controlling echo of a voice recognition system includes receiving at least two audio input signals corresponding to sound sensed by at least two...
US-1,044,6167 User-specific noise suppression for voice quality improvements
Systems, methods, and devices for user-specific noise suppression are provided. For example, when a voice-related feature of an electronic device is in use, the...
US-1,044,6166 Assessment and adjustment of audio installation
Example embodiments disclosed herein relate to assessment and adjustment for an audio environment. A computer-implemented method is provided. The method...
US-1,044,6165 Robust short-time fourier transform acoustic echo cancellation during audio playback
Example techniques involve noise-robust acoustic echo cancellation. An example implementation may involve causing one or more speakers of the playback device to...
US-1,044,6163 Optimized scale factor for frequency band extension in an audio frequency signal decoder
A method and device are provided for determining an optimized scale factor to be applied to an excitation signal or a filter during a process for frequency band...
US-1,044,6160 Coding device and method, decoding device and method, and program
The present technology relates to a coding device and method, and a decoding device and method, and a program capable of reducing the amount of calculations for...
US-1,044,6159 Speech/audio encoding apparatus and method thereof
A speech/audio encoding device for selectively allocating bits for higher precision encoding. The speech/audio encoding device receives a time-domain...
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