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Searching: audio signal





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Patent # Description
US-8,498,425 Wearable headset with self-contained vocal feedback and vocal command
A headset includes a wearable body, first and second earphones extending from the wearable body, controls for controlling an external communication/multimedia...
US-8,498,423 Device for and a method of processing audio signals
A method is provided which is suitable to cope with non-linear echo paths during acoustic echo cancellation in speakerphones. Non-linear paths occur...
US-8,498,422 Parametric multi-channel audio representation
Multi-channel audio signals are coded into a monaural audio signal and information allowing to recover the multi-channel audio signal from the monaural audio...
US-8,498,421 Method for encoding and decoding multi-channel audio signal and apparatus thereof
Methods and apparatuses for encoding and decoding a multi-channel audio signal are provided. In the encoding method, spatial information is calculated based on...
US-8,497,940 High density wireless system
A method and apparatus for communicating within a wireless microphone system having a plurality of audio channels. The method includes the steps of dividing a...
US-8,497,866 Wireless graphics card
A device is provided for use in a portable computer. The device includes a wireless graphics card that includes a connector for coupling to an expansion slot of...
US-8,497,734 High efficiency audio amplifier system
A high efficiency amplifier system may include multiple output stages cooperatively operating to produce an amplified output signal. The amplifier system may be...
US-8,496,604 Systems for and methods of assessing urinary flow rate via sound analysis
Systems for and methods of assessing urinary flow rate via sound analysis. Embodiments of the uroflow measurement systems include a computer and a telephone or...
US-8,496,177 Bar code reading terminal with video capturing mode
A bar code reading terminal can, in one embodiment, include a two-dimensional image sensor and an imaging assembly. The terminal can be configured, in response...
US-8,494,865 Audio decoder, audio encoder, method for decoding an audio signal, method for encoding an audio signal,...
An audio decoder for providing a decoded audio information on the basis of an entropy encoded audio information includes a context-based entropy decoder...
US-8,494,864 Multi-mode scheme for improved coding of audio
The present invention relates to an improved scheme for coding of audio. In particular, the present invention relates to an encoder device and a method for...
US-8,494,863 Audio encoder and decoder with long term prediction
The present invention teaches a new audio coding system that can code both general audio and speech signals well at low bit rates. A proposed audio coding...
US-8,494,843 Encoding and decoding apparatuses for improving sound quality of G.711 codec
An encoding apparatus and a decoding apparatus for reducing the quantization error of a G.711 codec and improving sound quality are provided. The encoding...
US-8,494,842 Vibrato detection modules in a system for automatic transcription of sung or hummed melodies
The technology disclosed relates to audio signal processing. It includes a series of modules that individually are useful to solve audio signal processing...
US-8,494,841 Common scene based conference system
Conference bridge (1) for managing an audio scene comprising two or more participants, the conference bridge comprising a mixer (2) and several user channels...
US-8,494,840 Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
The invention relates to audio signal processing and speech enhancement. In accordance with one aspect, the invention combines a high-quality audio program that...
US-8,494,667 Apparatus for encoding and decoding audio signal and method thereof
A method and/or apparatus for encoding and/or decoding an audio signal is disclosed, in which a downmix gain is applied to a downmix signal in an encoding...
US-8,494,573 Radio communication system for providing both voice and data communication services over radio communication...
A radio communication system including a system computer connected to a radio communication device including a radio communication antenna and an audio...
US-8,494,479 System and method for optimizing power supplies in a wireless transceiver
Different components in a wireless transceiver are powered using different power supplies. For example, one or more first tasks in the wireless transceiver can...
US-8,494,338 Electronic apparatus, video content editing method, and program
An electronic apparatus includes a first input unit to input an image signal and a first audio signal that constitute a first video content, a second input unit...
US-8,494,206 Electronic device and method thereof
An electronic device includes a host and an earphone. The host includes a application module, the earphone includes at least one speaker, and at least one...
US-8,494,204 Audio device comprising a microphone
An audio device includes a microphone, a sound canal allowing sound to pass from the surroundings to the microphone, a signal path from the microphone to a...
US-8,494,199 Stability improvements in hearing aids
A hearing aid includes an input transducer for provision of an input signal, a high pass filter configured for providing a high pass filtered part of the input...
US-8,494,198 Method for operating a hearing system, hearing system and audio gateway devices
A body-worn audio gateway device transmitting audio signals comprised in close-range electromagnetic signals may be used outside a car, where it may provide for...
US-8,494,192 Audio reproducing system and method thereof
An audio reproducing system includes a pair of speaker units, a mounting unit for mounting the pair of speaker units, without being attached to a baffle board,...
US-8,494,190 Audio signal processing apparatus and audio signal processing method
An audio signal processing apparatus includes: a test signal supply unit to supply a test signal to each speaker of a multi-channel speaker including a center...
US-8,494,185 Electro-acoustic transducer tuning and data storage
A device into which an electro-acoustic transducer is incorporated has at least two audio signal conductors through which the device may be coupled to another...
US-8,494,184 Digital data transfer via audio signal conductors
An electro-acoustic transducer or a device into which an electro-acoustic transducer is incorporated has at least two audio signal conductors through which the...
US-8,494,183 Audio processing apparatus
A switching section causes the first amplification section to amplify the expansion left audio signal and supply the amplified expansion left audio signal to...
US-8,494,180 Systems and methods to reduce idle channel current and noise floor in a PWM amplifier
Systems and methods provided herein decrease an idle channel noise floor and reduce power during an idle channel input for low power audio devices that include...
US-8,494,178 Avoiding audio feedback
Methods and techniques to implement a digital signal processor for avoidance of audio feedback are disclosed, in particular, audio signal processing systems...
US-8,494,104 NICAM decoder with output resampler
A NICAM audio signal re-sampler may include a non-linear interpolator configured to interpolate in a non-linear manner between sequential digital samples that...
US-8,493,198 Vehicle and mobile device traffic hazard warning techniques
A computer-implemented method includes monitoring an environment external to a vehicle via a sensor of the vehicle or a mobile device. The monitoring includes...
US-8,493,151 Method and apparatus for programmable gain control useful with digital to analog converter
A programmable gain controller (PGC) useful with a digital to analog converter is coupled to an input node providing a current source that is variable with a...
US-8,493,140 Output coupling capacitor free audio power amplifier dynamically configured for speakers and headphones with...
First and second channel bridge amplifiers are dynamically configured to drive either speakers or headphones. The first channel bridge amplifier includes a...
US-8,492,639 Audio processing apparatus and method
Phase setting section sets virtual phases in a frequency series of an audio signal. Unit wave extraction section extracts, from the frequency series, a unit...
US-8,492,635 Music sound generation apparatus, music sound generation system, and music sound generation method
A music sound generation apparatus generates music-sound data based on sound source data, and outputs the music-sound data in synchronization with audio data...
US-8,491,386 Systems and methods for remotely mixing multiple audio signals
Methods and Systems for providing multiple audio streams, such as a Game Audio stream and Network Chat audio stream, to a headset of a user of a game console...
US-8,491,146 Baseball-style cap with amplified stereo speakers
An embodiment of a baseball-style cap and stereo combination having a crown, a brim/bill, a sweatband, and two amplified stereo speakers concealed within the...
US-8,489,782 Detecting accessories on an audio or video jack
A detection circuit can be configured to receive a digital value from an identification register and to determine a resistance at a conducting terminal of an...
US-8,489,405 Compression coding and decoding method, coder, decoder, and coding device
The embodiments of the present invention relate to a compression coding and decoding method, a coder, a decoder and a coding device. The compression coding...
US-8,489,404 Method for detecting audio signal transient and time-scale modification based on same
A method for detecting a transient in an audio signal that has been broken up into frames includes obtaining a time domain feature of the frames and comparing...
US-8,489,403 Apparatuses, methods and systems for sparse sinusoidal audio processing and transmission
The APPARATUSES, METHODS AND SYSTEMS FOR SPARSE SINUSOIDAL AUDIO PROCESSING AND TRANSMISSION (hereinafter "SS-Audio") provides a platform for encoding and...
US-8,489,391 Scalable hybrid auto coder for transient detection in advanced audio coding with spectral band replication
A system method of reusing information in a low power scalable hybrid audio encoder are disclosed. The includes determining a state of an advanced audio coding...
US-8,489,211 Communication apparatus
There is provided a communication apparatus comprising a memory configured to store a plurality of pieces of audio contents, a playing member configured to...
US-8,489,194 Enhancing fine time structure transmission for hearing implant system
A system and method of signal processing for a hearing implant. The hearing implant includes at least one electrode, each electrode associated with a channel...
US-8,489,049 Transmission and receiver system operating on different frequency bands
A receiver can extract digital data from wireless radio frequency signal. The digital data contains at least two compressed digital audio data each associated...
US-8,489,026 Systems and methods for noise cancellation and power management in a wireless headset
This includes systems and methods for noise cancellation and power management in a wireless headset. The wireless headset can perform noise cancellation by...
US-8,488,973 Signal processing within an optical microphone
Method for performing signal processing for an optical microphone. First and second signals corresponding to at least two beams may be generated or received....
US-8,488,835 System for extracting a fingerprint data from video/audio signals
A system for extracting a fingerprint data from video/audio signals, comprising a frame buffer for storing the video frame images, which accepts a new video...
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