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Searching: audio signal





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Patent # Description
US-8,150,916 Method, apparatus, and system for transmitting information
A server controls client apparatuses to transmit the same information to the client apparatuses without imposing workload on each client apparatus. The server...
US-8,150,702 Stereo audio encoding device, stereo audio decoding device, and method thereof
Disclosed is a stereo audio encoding device capable of improving a spatial image of a decoded audio in stereo audio encoding. In this device, an original cross...
US-8,150,701 Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal
An apparatus for encoding and decoding an audio signal and method thereof are disclosed, by which compatibility with a player of a general mono or stereo audio...
US-8,150,685 Method for high quality audio transcoding
A method and apparatus for a voice transcoder that converts a bitstream representing frames of data encoded according to a first voice compression standard to a...
US-8,150,683 Apparatus, method, and computer program for comparing audio signals
An apparatus, method, and computer program are capable of receiving and cross-correlating a first audio signal and a second audio signal. This produces a...
US-8,150,460 Wireless speakers and dock for portable electronic device
An accessory for use with a portable electronic device receives audio signals from the portable electronic device and broadcasts the signals to a set of...
US-8,150,349 Apparatus and method for audio conversion
An apparatus and method for audio conversion is provided to upgrade the resolution of transmission frequency of an FM (frequency modulation) transmitter and...
US-8,150,318 Apparatus for collecting environmental data and method of monitoring environment in real time
Provided are an apparatus for collecting environmental data and a method of monitoring an environment in real time. The apparatus for collecting environmental...
US-8,150,089 Wireless microphone and apparatus for fixing transmitter of the wireless microphone
A wireless microphone is provided. The wireless microphone includes: a transmitter wirelessly transmitting audio signals converted from sound collected with a...
US-8,150,070 Sound signal equalizer for adjusting gain at different frequency bands
A bass and treble audio tone control circuit configured as an integrated circuit, wherein a capacitor for setting a frequency band can be accommodated in an...
US-8,150,067 Bass enhancing method, signal processing device, and audio reproducing system
If the absolute value of the current sample is greater than or equal to an envelope value at the immediately preceding sample, an envelope value at the current...
US-8,150,065 System and method for processing an audio signal
Systems and methods for audio signal processing are provided. In exemplary embodiments, a filter cascade of complex-valued filters are used to decompose an...
US-8,150,064 Audio output device and method
An audio output device and method capable of preventing generation of pop noise by a relatively simple and small-sized circuit configuration and control timing....
US-8,150,063 Stabilizing directional audio input from a moving microphone array
A device includes a microphone array fixed to the device. A signal processor produces an audio output using audio beamforming with input from the microphone...
US-8,150,056 Audio signal transmitting apparatus, audio signal receiving apparatus, audio signal transmission system, audio...
There is provided an audio signal transmitting apparatus which can communicate with a plurality of external connection apparatuses and transmits audio signals...
US-8,150,048 System and method for testing audio device of motherboard
A system for testing audio of a motherboard includes a recording fixture and a computer. The recording fixture includes a recording device and a soundproof...
US-8,150,046 Audio jack for a portable electronic device
A portable electronic device includes a processor provided in a housing, a jack being sized for receiving a plug of an audio accessory and having electrical...
US-8,150,045 Automatic gain control system applied to an audio signal as a function of ambient noise
An automatic gain control system applied to a audio signal as a function of the ambient noise, the system comprising: an ambient noise estimator module suitable...
US-8,150,042 Method, device, encoder apparatus, decoder apparatus and audio system
Techniques are described for combining parametric multi-channel audio coding with matrixing, reconstructing a full-quality multi-channel, independent of the...
US-8,150,023 Automated system and method for distinguishing audio signals received in response to placing and outbound call
A system directs action based on distinguishing audio content received in response to placing an outbound call. The system comprises an audio signal analysis...
US-8,149,878 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes receiving audio frame data having at least first and second channel data. The first and second channel data includes a...
US-8,149,877 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes receiving audio frame data having at least first and second channel data. The first and second channel data includes a...
US-8,149,876 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes receiving audio frame data having at least first and second channel data. The first and second channel data includes a...
US-8,149,744 Digital broadcasting system and data processing method
A digital broadcasting system and a method of processing data are disclosed. A receiving system of the digital broadcasting system may include a signal...
US-8,145,821 Docking station for portable electronic devices
A docking station apparatus interfaces a portable electronic device with one or more electrical systems of a vehicle. The apparatus includes a docking assembly...
US-8,145,693 Fir filter apparatus, audio apparatus and fir filter program
A coefficient compensating unit 33 calculates based on a loop point and a cross-fade point of impulse response coefficient data renewed compensation impulse...
US-8,145,499 Generation of decorrelated signals
In a case of transient audio input signals, in a multi-channel audio reconstruction, uncorrelated output signals are generated from an audio input signal in...
US-8,145,479 Improving the quality of output audio signal,transferred as coded speech to subscriber's terminal over a...
A method of pre-processing an audio signal transmitted to a user terminal via a communication network and an apparatus using the method are provided. The method...
US-8,145,478 Apparatus and method for widening audio signal band
An audio signal band expanding apparatus (100a) includes a harmonic generator (3) that receives an input audio signal having a predetermined band and generates,...
US-8,145,266 Portable audio/video playback apparatus
A portable audio/video playback apparatus of the present invention comprises an apparatus main body 1 and a broadcast receiver unit 4 removably attached to the...
US-8,145,246 Low latency, high quality link for audio transmission
A system includes a transmitting device, an intermediate communications device, and a receiving device. The system establishes a first synchronous wireless link...
US-8,145,031 Recording apparatus
A recording apparatus which can provide a video signal and an audio signal in synchronization even when the input signal is discontinuous. The recording...
US-8,144,903 Wireless communication system
A communication system having at least one user worn receiver unit for receiving audio signals via a wireless audio link connected to a stimulating means for...
US-8,144,902 Stereo image widening
A stereo image can be widened by converting a stereo audio signal into a sum-difference audio signal, applying HRTF processing to the difference channel, and...
US-8,144,901 Sound image position correction system, sound image position correction method, and audio/display apparatus
The present invention provides a sound image position correction system that applies sound image position correction processing to a voice signal so that an...
US-8,144,892 Audio amplification system
A wireless audio amplification system for classrooms and the like includes a system that allows for advanced listening and learning audio tools. The invention...
US-8,144,887 Electronic stethoscope and the stethoscope auscultation method using the same
The present invention relates to a stethoscope auscultation method, adapted for an improved stethoscope so as to be used for assisting a medical diagnosis...
US-8,144,886 Audio conferencing apparatus
Microphones arranged in an array shape along a longitudinal direction are respectively formed in both the longitudinal side surfaces of a housing 2 with...
US-8,144,881 Audio gain control using specific-loudness-based auditory event detection
In one disclosed aspect, dynamic gain modifications are applied to an audio signal at least partly in response to auditory events and/or the degree of change in...
US-8,144,880 Audio amplifier capable of performing self-oscillation
An audio amplifier includes a plurality of sub-audio amplifier sets, a clock source, and a speaker. When the audio amplifier is under an audio amplify mode, the...
US-8,144,879 Method, device, encoder apparatus, decoder apparatus and audio system
A method and a device are described for processing a stereo signal obtained from an encoder, which encodes an N-channel audio signal into spatial parameters (P)...
US-8,144,854 Conference bridge which detects control information embedded in audio information to prioritize operations
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system...
US-8,144,836 Lifestyle multimedia security system
A method is disclosed for remote monitoring of a premises, comprising the steps of operatively coupling a geographically remote client to a security system...
US-8,144,809 Modulating apparatus, mobile communication system, modulating method, and communication method
An encoder encodes audio data and the like to generate a binary signal. A mapper converts the binary signal into a four-level symbol and outputs the four-level...
US-8,144,790 Broadcast receiver and method of processing data
A broadcast receiver, and a method of processing data are disclosed. The broadcast receiver includes a receiving unit, a RS frame decoder, a decoding unit, and...
US-8,143,620 System and method for adaptive classification of audio sources
Systems and methods for adaptively classifying audio sources are provided. In exemplary embodiments, at least one acoustic signal is received. One or more...
US-8,140,715 Virtual media input device
A virtual media device is described for processing one or more input signals from one or more physical media input devices, to thereby generate an output signal...
US-8,140,714 Media management and routing within an electronic device
A method and apparatus for intelligently routing and managing audio signals within an electronic device is disclosed. The routing is responsive to a set of...
US-8,140,342 Selective scaling mask computation based on peak detection
A set of peaks in a reconstructed audio vector S of a received audio signal is detected and a scaling mask .psi.(S) based on the detected set of peaks is...
US-8,140,331 Feature extraction for identification and classification of audio signals
Characteristic features are extracted from an audio sample based on its acoustic content. The features can be coded as fingerprints, which can be used to...
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