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Searching: audio signal





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Patent # Description
US-1,001,5597 Method for representing multi-channel audio signals
A multi-channel input signal having at least three original channels is represented by a parameter representation of the multi-channel signal. A first balance...
US-1,001,5593 Digital signal processor for audio extensions and correction of nonlinear distortions in loudspeakers
Digital filters for processing an input audio signal for extending the audio capabilities and reducing distortion of a loudspeaker. Such extension may include a...
US-1,001,5591 Pickup apparatus and pickup method
A pickup apparatus includes a digital signal processor, at least one microphone, multiple amplifiers, and multiple analog-to-digital converters (ADCs), where...
US-1,001,5590 Switching device for a true diversity receiver
A switching device is adapted for a true diversity receiver and contains: a control switch defined between two microcontrollers of two antennas and configured...
US-1,001,5589 Controlling speech enhancement algorithms using near-field spatial statistics
A telephone includes at least two microphones and a circuit for processing audio signals coupled to the microphones. The circuit processes the signals, in part,...
US-1,001,5588 Beamforming optimization for receiving audio signals
Techniques, described herein, may enable a computing device (e.g., a set-top-box, a user equipment (UE), etc.) with an array of sensors (e.g., microphones,...
US-1,001,5579 Audio accelerometric feedback through bilateral ear worn device system and method
A system includes at least one earpiece having at least one sensor, at least one speaker, and at least one processor capable of ascertaining a desired position...
US-1,001,5578 Remote ground sensing for reduced crosstalk of headset and microphone audio signals
Apparatus and methods for reducing crosstalk in personal audio equipment are provided. In an example, a method to reduce headset audio crosstalk can include...
US-1,001,5534 Providing hidden codes within already encoded sound tracks of media and content
A system to facilitate measuring consumer use by using codes embedded in any raw audio or video content. The original code is then layered with additional codes...
US-1,001,5370 Method for synchronizing video and audio in virtual reality system
A method for audio-video synchronization in a virtual reality (VR) system is provided. The VR system includes a VR device and a host device. The method includes...
US-1,001,5310 Detection of privacy breach during a communication session
A method of identifying a breach in privacy during a communication session, including communicating with a remote communication device using a local...
US-1,001,5300 Apparatus and method of controlling transmission of personal information
The present disclosure provides a control method of an Audio Video Navigation (AVN) system for vehicles. The control method may include: connecting the AVN...
US-1,001,4961 Mutual information based intelligibility enhancement
Provided are methods and systems for improving the intelligibility of speech in a noisy environment. A communication model is developed that includes noise...
US-1,001,4841 Method and apparatus for controlling audio playback based upon the instrument
A method, apparatus and computer program product are provided to adjust audio file playback in terms of volume and/or compression. By example, a method...
US-1,001,4840 Controlling a power amplification stage of an audio signal amplifier
An audio reproduction apparatus is shown and includes an amplifier with a power amplification stage having transistors in a push-pull arrangement. A bias...
US-1,001,4839 Methods and systems for intelligent dual-channel volume adjustment
Disclosed herein are methods and systems for intelligent dual-channel volume adjustment. One embodiment takes the form of a dual-watch mobile radio that...
US-1,001,4838 Gain adjustment apparatus and gain adjustment method
A gain adjustment apparatus includes a first output device configured to output a first audio signal, a second output device configured to output a second audio...
US-1,001,4031 Synchronisation of audio and video playback
A method of playing audio content to a viewer in synchronization with a video content. The method comprises receiving and digitizing an ultrasonic signal...
US-1,001,4006 Method of determining whether a phone call is answered by a human or by an automated device
A system receives an audio stream from an application, and performs signal analysis on the audio stream to compute (on sound and silence) a sequence of events....
US-1,001,4005 Harmonicity estimation, audio classification, pitch determination and noise estimation
Embodiments are described for harmonicity estimation, audio classification, pitch determination and noise estimation. Measuring harmonicity of an audio signal...
US-1,001,4002 Real-time audio source separation using deep neural networks
Methods and systems for audio source separation in real-time are described. In an embodiment, the present disclosure describes reading and decoding an audio...
US-1,001,4000 Audio signal encoder and method for generating a data stream having components of an audio signal in a first...
An audio signal synthesizer generates a synthesis audio signal having a first frequency band and a second synthesized frequency band derived from the first...
US-1,001,3999 Voice-based realtime audio attenuation
An example implementation may involve driving an audio output module of a wearable device with a first audio signal and then receiving, via at least one...
US-1,001,3997 Adaptive interchannel discriminative rescaling filter
A method for adjusting a degree of filtering applied to an audio signal includes modeling a probability density function (PDF) of a fast Fourier transform (FFT)...
US-1,001,3996 Collaborative audio processing
A method of performing noise reduction includes capturing a first audio signal at a first microphone of a first device. The method also includes receiving, at...
US-1,001,3993 Apparatus and method for surround audio signal processing
An apparatus for decoding surround audio signal, includes a Bitstream De-multiplexer for unpacking a bitstream into spatial parameters and core parameters, a...
US-1,001,3987 Speech/audio signal processing method and apparatus
The present invention discloses a speech/audio signal processing method and apparatus. In an embodiment, the speech/audio signal processing method includes:...
US-1,001,3986 Data structure pooling of voice activated data packets
Systems and methods of voice activated thread management in a voice activated data packet based environment are provided. A natural language processor ("NLP")...
US-1,001,3985 Systems and methods for audio command recognition with speaker authentication
The present application discloses a method, an electronic system and a non-transitory computer readable storage medium for recognizing audio commands in an...
US-1,001,3978 Sequence dependent operation processing of packet based data message transmissions
Optimization of sequence dependent operations in a voice activated data packet based computer network environment is provided. A natural language processor...
US-1,001,3970 Sound effect producing apparatus, method of producing sound effect and program therefor
A sound effect producing apparatus includes an input portion, a memory portion, a pseudo sound reflection producing portion, and an effect provision portion....
US-1,001,3966 Systems and methods for adaptive active noise cancellation for multiple-driver personal audio device
In accordance with embodiments of the present disclosure, a processing circuit may implement an adaptive filter, a first signal injection portion which injects...
US-1,001,3229 Signal synchronization and latency jitter compensation for audio transmission systems
Techniques related to input and output signal synchronization and latency jitter compensation for audio systems are discussed. Such techniques may include...
US-1,001,2682 Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or...
A system is provided to analyze cross-modulation distortion in audio devices, which may include testing with audio frequencies. One or more distortion signals...
US-1,000,9706 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-1,000,9705 Audio enhancement for head-mounted speakers
Embodiments herein are primarily described in the context of a system, a method, and a non-transitory computer readable medium for producing a sound with...
US-1,000,9703 Automatic polarity correction in audio systems
A mixing signal processing technique modifies digital audio recordings to simulate the linear and nonlinear effects of propagation and mixing of sounds in air....
US-1,000,9701 Method and system of extending battery life of a wireless microphone unit
A method of extending battery life of a wireless microphone unit includes muting the wireless microphone unit responsive to a mute signal from a base station...
US-1,000,9700 System and method for fuzzy logic feedback control of speaker excursion
An audio system includes an input node for receiving an audio input signal, a signal processor coupled to the input node to receive the audio input signal, and...
US-1,000,9696 Cochlear hearing device with cable antenna
A hearing aid device comprising a behind-the-ear part, an at-the-head part, a coupling element, a second antenna, and a wireless interface is disclosed. The...
US-1,000,9688 Digital communication system for loudspeakers
A communication system for communicating with at least one loudspeaker is described where the loudspeaker is connected to audio equipment over standard two-wire...
US-1,000,9687 Audio system, method of outputting audio, and speaker apparatus
An audio system, an audio outputting method, and a speaker apparatus are disclosed. The audio system includes a plurality of speaker modules connected to each...
US-1,000,9684 Offset cartridge microphones
Offset cartridge microphones are provided that include multiple unidirectional microphone cartridges mounted in an offset geometry. Various desired polar...
US-1,000,9576 Audio and video conversion device
The invention provides an audio-video conversion device, relating to the field of TV, through converting the LVDS and/or V-by-One input port in the display into...
US-1,000,9569 Closed caption-support content receiving apparatus and display apparatus, system having the same, and closed...
Disclosed are a closed caption-support content receiving apparatus and display apparatus, a system having the same, and a closed caption-providing method...
US-1,000,9130 Internet radio stream generation
A system includes a first source interface, a second source interface, a content mixer, a first communication interface (CI), and a second CI. The first source...
US-1,000,8998 Method, apparatus, and system for analysis, evaluation, measurement and control of audio dynamics processing
A method, apparatus, and system for measuring and analyzing the effects of dynamics modifying processors on a signal. This new approach utilizes statistical...
US-1,000,8994 Audio amplifier system
An audio amplifier system is described comprising: a variable gain audio processor for processing digital audio signal, a digital to analog converter coupled to...
US-1,000,8993 Amplifier current consumption control
The audio amplifier includes a variable gain amplifier receiving the input audio signal and providing the output signal, whereby the output signal corresponds...
US-1,000,8988 Amplifier
To prevent temperature rise of an amplifier. An AV amplifier 1 that amplifies an audio signal includes a PWM modulator 5 that controls dynamic range of the...
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