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Searching: audio signal





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Patent # Description
US-8,526,640 Apparatus and method for switching audio amplification
Apparatus and method for switching audio amplification. In an embodiment, an apparatus for switching audio amplification includes an output circuit. The output...
US-8,526,631 Audio device
An audio device 100 which replays audio on the basis of an external audio signal PAS outputted from a portable audio device (500) includes: a power supply unit...
US-8,526,629 Audio output apparatus and compensation method thereof
An audio output apparatus including a digital operation unit, a digital-to-analog converter (DAC), a left channel unit, a right channel unit and a common unit...
US-8,526,626 Display device on/off detection methods and apparatus
Display device ON/OFF detection methods and apparatus are disclosed. An example method disclosed herein to determine whether a presentation device is ON or OFF...
US-8,526,624 Hearing aid
A hearing aid includes an audio signal input device, a signal processor and a signal output device which presents a processed audio signal perceivable as sound...
US-8,526,623 Device and a method for determining a component signal with high accuracy
A device for determining a component signal for a WFS system includes a provider for providing WFS parameters, a WFS parameter interpolator, and an audio signal...
US-8,526,622 Configurable filter for processing television audio signals
Television audio signal encoders include a matrix that sums a left channel audio signal and a right channel audio signal to produce a sum signal. The matrix...
US-8,526,599 Input/output apparatus and communication terminal
An input/output apparatus includes a speaker, a microphone, an adaptive filter circuit and a control circuit. The speaker is configured to output audio based on...
US-8,526,584 Device and method for preventing ion build-up in liquid crystal displays
A desktop network protocol telephone set has a network interface for connecting the telephone set to a local area network. An audio interface provides audio...
US-8,526,501 Decoder and decoding method based on video and audio time information
A decoder is disclosed. A video decoder extracts, when receiving a video stream, video output time information attached to each video frame. Thereafter, a...
US-8,525,937 Apparatus and method for calibrating audio-visual signal
An apparatus for calibrating an audio-visual (AV) signal includes a controller for generating a control signal, a controllable filter for selectively filtering...
US-8,525,891 Digital camera which detects a connection to an external device
An electronic camera and method of operating an electronic camera which detects whether an external device such as a personal computer is properly connected to...
US-8,525,793 Vehicle with a display device operated from a handlebar
A vehicle is disclosed having at least one sound output device to receive an output of at least one audio signal transmitting device. A display device has a...
US-8,525,710 Audio amplifier offset reduction using digital input/output comparisons
An offset correction circuit removes DC offset from an analog audio output signal by comparing transitions of digital audio values to which the analog output...
US-8,525,689 Speaker enclosure design for efficiently generating an audible alert signal
Various inventive features are disclosed for efficiently generating regulation-compliant audible alerts, including but not limited to 520 Hz square wave...
US-8,525,589 Pop sound reduction circuit and audio circuit having such pop reduction circuit for use in audio amplifier
A disclosed pop sound reduction circuit reducing generation of pop sound at activation or deactivation of an audio amplifier includes a reference voltage...
US-8,522,263 Audio signal processor, television set and computer readable medium
In one embodiment, there is provided an audio signal processor. The processor includes: a person position detector configured to detect each position of one or...
US-8,521,540 Encoding and/or decoding digital signals using a permutation value
Embodiments of methods, apparatuses, devices and systems associated with encoding and/or decoding audio data are disclosed. More particularly, the claimed...
US-8,521,530 System and method for enhancing a monaural audio signal
A method, system, and computer program for enhancing a signal are presented. The signal is received, and energy estimates of the signal may be determined. At...
US-8,521,529 Method for segmenting audio signals
An input signal is converted to a feature-space representation. The feature-space representation is projected onto a discriminant subspace using a linear...
US-8,521,526 Disambiguation of a spoken query term
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for processing spoken query terms. In one aspect, a method...
US-8,521,522 Audio coding/decoding method and apparatus using excess quantization information
There is provided an audio coding device which appropriately sets the quantization bit number by a small calculation amount in each stage when coding an input...
US-8,521,519 Adaptive audio signal source vector quantization device and adaptive audio signal source vector quantization...
An adaptive sound source vector quantization device includes a first pitch cycle instructor, a search range calculator, and a second pitch cycle instructor. The...
US-8,521,518 Device and method for acoustic communication
An acoustic communication method and device are provided that filter an audio signal to attenuate a high frequency section of the audio signal. A residual...
US-8,521,314 Hierarchical control path with constraints for audio dynamics processing
Information useful for modifying the dynamics of an audio signal is derived from one or more devices or processes operating at one or more respective nodes of...
US-8,521,297 Artifact cancellation in hybrid audio prostheses
A system and method are described for determining an estimated neural response in a hybrid acoustic-electrical audio prosthesis. Target nerve tissue such as...
US-8,520,875 Hearing aid with improved localization
A BTE hearing aid includes a BTE hearing aid housing, at least one BTE sound input transducer, a processor configured to generate a hearing loss compensated...
US-8,520,871 Method of and device for generating and processing parameters representing HRTFs
A device for processing parameters representing Head-Related Transfer Functions includes an input stage configured to receive audio signals of sound sources, a...
US-8,520,864 Projector and audio output method
A projector includes: a first audio input section adapted to input a first sound signal; a second audio input section adapted to input a second sound signal; a...
US-8,520,863 Image display device, projector, control method, and information storage medium
An image display apparatus includes: an image information input section; an image display section for displaying an image corresponding to the image...
US-8,520,862 Audio system
An audio system for enhancing localization of sound perceived by a listener in a listening position includes two loudspeakers and a signal processing unit. The...
US-8,520,859 System for comfort noise injection
A noise injection system adds comfort noise to an audio signal. The system includes a background noise estimator that determines a spectral content of a...
US-8,520,858 Sound system and method for capturing and reproducing sounds originating from a plurality of sound sources
A sound system for capturing and reproducing sounds produced by a plurality of sound sources. The system comprises a device for receiving sounds produced by the...
US-8,520,779 Method and apparatus for audio noise reduction of frequency modulation (FM) receiver
A method and an apparatus for audio noise reduction of frequency modulation (FM) receiver are described. After receiving FM signal having pilot tone, pilot...
US-8,520,674 Campus audio-visual control and communication system
A method and system for distributing audio, visual, data, annunciator and other information within an educational facility utilizes a bit-wise addressing scheme...
US-8,519,877 Low noise and low power arrangement for playing audio signals
A circuit for providing audio signals to a load such as a speaker is provided that uses the speaker or headphone amplifier structure as a current to voltage...
US-RE44,466 Method and device for packaging audio samples of a non-PCM encoded audio bitstream into a sequence of frames
An audio bitstream is read from a digital video disc DVD for transfer, subsequent to parsing thereof, via an IEC 958 protocolled interface, for use in a...
US-8,516,373 Audio/visual amplifier, selection method, program, and recording medium
An audio/visual amplifier for processing video signals and audio signals includes a display controller operable to control display of a menu such that an input...
US-8,515,770 Method and apparatus for encoding and decoding excitation patterns from which the masking levels for an audio...
A method and apparatus for approximating a true masking threshold for the quantization of spectral data in an audio transform encoder. According to the...
US-8,515,768 Enhanced audio decoder
Methods, systems, and apparatus are presented for decoding an audio signal that includes bandwidth extension data. An audio signal that includes core audio data...
US-8,515,767 Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs
Codebook indices for a scalable speech and audio codec may be efficiently encoded based on anticipated probability distributions for such codebook indices. A...
US-8,515,759 Apparatus and method for synthesizing an output signal
An apparatus for synthesizing a rendered output signal having a first audio channel and a second audio channel includes a decorrelator stage for generating a...
US-8,515,749 Speech-to-speech translation
Systems and methods for facilitating communication including recognizing speech in a first language represented in a first audio signal; forming a first text...
US-8,515,742 Adding second enhancement layer to CELP based core layer
In an embodiment, a method of transmitting an input audio signal is disclosed. A first coding error of the input audio signal with a scalable codec having a...
US-8,515,741 System (s), method (s) and apparatus for reducing on-chip memory requirements for audio decoding
Presented herein are system(s), method(s), and apparatus for reducing on-chip memory requirements for audio decoding. In one embodiment, there is presented a...
US-8,515,344 Diver communication system
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
US-8,515,343 Water based vehicle communications system
An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data...
US-8,515,263 Contents reproduction apparatus
A contents reproduction apparatus (e.g. an AV receiver) is connectable to various sources (e.g. audio/video devices) having audio/video contents which are...
US-8,515,262 Recording medium containing supplementary service information for audio/video contents, and method and...
The present invention relates to method and apparatus of providing supplementary service information for A/V contents written in a recording medium. This method...
US-8,515,257 Automatic announcer voice attenuation in a presentation of a televised sporting event
A method of automatic announcer voice removal from a televised sporting event. A sound processing circuit divides an audio input signal of a televised sporting...
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