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Searching: audio signal





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Patent # Description
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...
US-1,000,8816 Work surface power unit with wireless speakerphone
An electrical power unit with wireless communications capability includes a wireless communications module supported in a housing that is configured to be...
US-1,000,8218 Blind bandwidth extension using K-means and a support vector machine
A system and method of blind bandwidth extension. The system selects a prediction model from a number of stored prediction models that were generated using an...
US-1,000,8217 Multi-rate system for audio processing
A multi-rate audio processing system and method provides real-time measurement and processing of amplitude/phase changes in the transition band of the lowest...
US-1,000,8214 USAC audio signal encoding/decoding apparatus and method for digital radio services
Disclosed is a unified speech and audio coding (USAC) audio signal encoding/decoding apparatus and method for digital radio services. An audio signal encoding...
US-1,000,8202 Systems and methods of interpreting speech data
Method and systems are provided for interpreting speech data. A method and system for recognizing speech involving a filter module to generate a set of...
US-1,000,7483 Volume adjustment device
A volume adjustment device includes a display section, touch panel, and a controller which displays a slide bar including a knob, receives a movement goal...
US-1,000,7480 Multi-parametric analysis of snore sounds for the community screening of sleep apnea with non-Gaussianity index
A parameter quantifying deviation from Gaussianity distribution of a patient's sounds, in the form of a non-Gaussianity distribution index, may be used to...
US-1,000,7325 Electronic device, audio device, and methods of controlling electronic device and audio device power supply
Provided is an electronic device. The electronic device includes a communicator that wirelessly connects the electronic device to an external device, and a...
US-1,000,4269 Control circuit, electronic cigarette and method for controlling electronic cigarette
A control circuit, an electronic cigarette and a method for controlling the electronic cigarette, the control circuit includes at least one airflow sensor, a...
US-1,000,4110 Method and system for communication system interoperability
An system for interlinking communication devices having different communication mechanisms, includes a first device having a plurality of radios that are...
US-1,000,3941 Electronic device and its wireless network connection method
A wireless network connection method for an electronic device is provided, in which a first signal is transmitted to additional electronic device and is...
US-1,000,3907 Processing spatially diffuse or large audio objects
Diffuse or spatially large audio objects may be identified for special processing. A decorrelation process may be performed on audio signals corresponding to...
US-1,000,3906 Determining and using room-optimized transfer functions
A device for determining room-optimized transfer functions for a listening room serving for room-optimized post-processing of audio signals in spatial...
US-1,000,3904 Method and device for processing binaural audio signal generating additional stimulation
Disclosed is a binaural audio signal processing device. The binaural audio signal processing device includes a binaural renderer and an extra exciter. The...
US-1,000,3903 Methods for determining relative locations of wireless loudspeakers
Methods, systems, and apparatuses are described for determining relative locations of wireless loudspeakers and performing channel mapping thereof. An audio...
US-1,000,3892 Systems and methods for altering the input dynamic range of an auditory device
An auditory device according to one embodiment includes a processing unit configurable to determine a noise estimate and a measure for one of a plurality of...
US-1,000,3877 Contact hearing system with wearable communication apparatus
Contact hearing devices for use with a wearable communication apparatus are disclosed to provide the user with an open ear canal to hear ambient sound and sound...
US-1,000,3846 Methods, apparatus and articles of manufacture to provide secondary content in association with primary...
Example methods, apparatus and articles of manufacture to provide media content are disclosed. A disclosed example method includes receiving an audio signal...
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