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Searching: audio signal





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Patent # Description
US-8,296,159 Apparatus and a method for calculating a number of spectral envelopes
An apparatus calculates a number of spectral envelopes to be derived by a spectral band replication (SBR) encoder, wherein the SBR encoder is adapted to encode...
US-8,296,158 Methods and apparatuses for encoding and decoding object-based audio signals
An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The...
US-8,296,156 Apparatus and method for encoding/decoding signal
An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes extracting a compatible down-mix signal...
US-8,296,155 Method and apparatus for decoding a signal
An apparatus for decoding a signal and method thereof are disclosed, by which the audio signal can be controlled in a manner of changing/giving spatial...
US-8,296,143 Audio signal processing apparatus, audio signal processing method, and program for having the method executed...
An audio waveform processing not imparting any feeling of strangeness and high in definition, in which time stretch and pitch shift are performed by a vocoder...
US-8,296,134 Audio encoding apparatus and spectrum modifying method
A spectrum modifying method and the like wherein the efficiencies of the signal estimation and prediction can be improved and the spectrum can be more...
US-8,295,958 Audio level meter
A circuit for correcting the output of an audio level meter comprises input means for generating the square or the absolute value of an input signal, a low pass...
US-8,295,888 Portable terminal device, audio output device, and audio device
A portable terminal device able to suppress a feeling of strangeness caused by audio not desired by a user is provided. A mobile phone 2 has an audio output...
US-8,295,771 Bluetooth microphone array
The present invention discloses a wireless telephone system using microphone arrays together with additional signal processing to suppress the background noise...
US-8,295,681 Method and system for manipulation of audio or video signals
A method and system for manipulation of audio or video signals.
US-8,295,611 Robust video retrieval utilizing audio and video data
Techniques for determining if two video signals match by extracting features from a first and second video signal, and cross-correlating the features thereby...
US-8,295,532 Method and system for wireless headset instant on capability during battery charging
Methods and systems for wireless headset instant on capability during battery charging are disclosed and may include powering a wireless headset so that it may...
US-8,295,525 Flash-N-scratch
This invention provides a personal and wearable audio system comprising a first and second component; wherein each of the first and second component comprises...
US-8,295,516 System, apparatus, method and program for controlling output
An output control system includes a plurality of output control apparatuses, the output control apparatuses controlling audio signals supplied to respective...
US-8,295,513 Audio system adapters for audio signal distribution using electrical extension cables
Audio cables used in deploying audio equipment are typically selected to minimize signal transmission losses and may be chosen based on a distance between, and...
US-8,295,511 Audio system
An audio system 10 has a plurality of audio sources 12a-12c for outputting audio signals different from each other. A coefficient device 15d adjusts the gain of...
US-8,295,508 Processing an audio signal
A method and apparatus for processing an audio signal to enhance the perceived lower frequency content of the audio signal when played through an audio output...
US-8,295,502 Method and device for typing noise removal
A method for reducing keyboard noise in conferencing equipment which includes a microphone and a keyboard, the method including: providing, at a noise reduction...
US-8,295,499 Audio information processing and attack detection apparatus and method
An audio information processing apparatus and method include dividing an audio signal, determining a time period having a power change ratio of an audio signal...
US-8,295,498 Apparatus and method for producing 3D audio in systems with closely spaced speakers
An audio processing circuit includes a crosstalk cancellation circuit that is advantageously simplified for use in audio devices that have closely-spaced...
US-8,295,496 Audio signal processing
An audio system for processing two channels of audio input to provide more than two output channels. The input may be conventional stereo material or compressed...
US-8,295,495 System and method for detecting rated maximum system deviation (RMSD) and alleviating RMSD mismatch
An FM audio receiver can include a mono/stereo detector that causes the audio receiver to output either a monophonic or a stereophonic signal based on a...
US-8,295,494 Enhancing audio with remixing capability
One or more attributes (e.g., pan, gain, etc.) associated with one or more objects (e.g., an instrument) of a stereo or multi-channel audio signal can be...
US-8,295,493 Method to generate multi-channel audio signal from stereo signals
An exemplary embodiment of the invention can generate multiple output audio signals from multiple input audio signals, in which the number of output signals is...
US-8,295,475 Selective glitch detection, clock drift compensation, and anti-clipping in audio echo cancellation
The quality and robustness of audio echo cancellation is enhanced by selectively applying glitch recovery processes based on a quality measurement of the...
US-8,295,334 Signal transmission system and receiving apparatus
A digital audio signal, a channel clock, and a bit clock are transmitted to the receiving apparatus via a pair of signal lines. The digital audio signal is...
US-8,295,148 Dual format hybrid storage medium and data backup method using the same
A dual format hybrid storage medium includes a non-recordable section in which data to be reproduced is written and in which data cannot be updated, and a...
US-8,294,828 Image/tone control device and television apparatus equipped with same
A television apparatus 100 is so designed as to store into ROM 14 the table that contains image control parameters and tone control parameters used for...
US-8,294,523 Low distortion cascode amplifier circuit
An audio amplifier circuit has a first cascode stage configured as a voltage gain stage and having an input for an audio signal, and an output. The circuit has...
US-8,290,772 Interactive text editing
A method for providing suggestions includes capturing audio that includes speech and receiving textual content from a speech recognition engine. The speech...
US-8,290,770 Method and apparatus for sinusoidal audio coding
Provided are a method and apparatus for sinusoidal audio coding, which employs a tracking method for further effective coding of sinusoids extracted in the...
US-8,290,444 Radio wave receiving apparatus for receiving two different radio wave intensities
A radio wave receiver that receives two different sets of radio waves and displays intensity of the received radio waves. First and second radio wave processing...
US-8,290,348 AV data recording apparatus and method, disk recorded with the AV data recording apparatus or method, and AV...
The present invention provides an AV data recording apparatus and method that facilitate various processes concerning a recorded video, including continuous...
US-8,290,347 Information recording medium, and apparatus and method for recording information to information recording medium
Provided is an information recording medium which achieves high speed conversion of a signal input externally from MPEG-TS to MPEG-PS complying with DVD...
US-8,290,344 Video recording/reproducing apparatus and a television receiver including the same therein
In a television receiver including a video recording/reproducing apparatus therein, since reduction is quick in a recording space thereof if recording the...
US-8,290,336 Keyboard having video and audio recording function
A keyboard for recording a video and an audio is disclosed. The keyboard having a video and an audio recording function includes a universal serial bus hub...
US-8,290,198 Speaker device
A speaker device includes a pair of diaphragms disposed opposite each other, a frame configured to vibratably support an outer periphery of the diaphragms in a...
US-8,290,197 Electrostatic speaker systems and methods
An electrostatic speaker system including at least one electrostatic speaker element having a pair of stators and a diaphragm therebetween, each of the stators...
US-8,290,193 Headphones with reduced tangling and methods
A headphone having reduced tendency to tangle comprises an input portion for receiving electrical signals from an output device, an output portion for providing...
US-8,290,192 Gaming headset vibrator
A vibrating headset capable of generating a vibration of variable operational characteristics in the earpiece of the vibrating headset is disclosed. The...
US-8,290,186 Method and apparatus for controlling portable audio device
A method to control a portable audio device in a power-saving mode using a wireless headset includes transmitting a host wake-up signal (HOST_WAKEUP) according...
US-8,290,185 Method of compensating for audio frequency characteristics and audio/video apparatus using the method
A method of compensating for spatial audio frequency characteristics that varies in accordance with a mounting condition of a down firing speaker of an...
US-8,290,182 Method of using an apparatus to automatically control sudden changes in volume
A method includes comparing a magnitude value of an audio signal in a fixed unit section with a target volume level, measuring audio gain in each fixed unit...
US-8,290,181 Automatic audio gain control for concurrent capture applications
A system level automatic gain control ("System AGC") automatically initializes and controls analog microphone gain in an environment where multiple independent...
US-8,290,180 Signal processing device, signal processing method, and program therefor
A signal processing device includes a bass signal extractor, a harmonic wave generator, a level detector, and an adjustment controller. The bass signal...
US-8,290,175 In-vehicle entertainment sound system
A method of recording a recommended plurality of audio signals (40) in an entertainment sound system (42) associated with an automotive vehicle (12)includes a...
US-8,290,174 Apparatus and method for authorizing reproduction and controlling of program transmissions at locations distant...
A wireless device and method may comprise a receiver and method for receiving wireless transmissions including locating data, authorization data and program...
US-8,290,172 Multi-source distributed audio amplification and control system for structured wiring systems
Various embodiments of the invention are directed toward a multi-zone audio distribution, amplification, and control system for use with structured wiring...
US-8,290,169 Time shifted harmonics generator
An electrical signal derived from an audio source is passed through an amplifier and is then divided into two discrete signal paths. The signal traveling along...
US-8,290,168 Audio broadcast processing method
An audio broadcast processing method includes a plurality of steps. One step involves processing an audio broadcast having at least one occurrence of signal...
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