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Searching: audio signal





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Patent # Description
US-7,639,465 Inrush current restraining circuit and audio device using the same
An inrush current restraining circuit (100) includes a power source (Vcc), a charging/discharging circuit (11), a switching circuit (13), a first impedance...
US-7,639,307 Up-sampling television audio signals for encoding
A television audio signal encoder includes an up-sampler that inserts additional samples into a sum signal, a difference signal, and/or a secondary audio program...
US-7,639,276 Simulation system and method for testing performances of TV tuners
A simulation system for testing performances of television (TV) tuners (50) attached to a plurality of computers (5) is disclosed. The system includes: a...
US-7,639,147 System and method of acoustic detection and location of audible alarm devices
A system and method to detect PASS-type device audio alarm signals and to locate such devices in alarm in a public building, airport, sports stadium or other...
US-7,638,703 Method and system of audio synthesis capable of reducing CPU load
A method and system of audio synthesis capable of reducing CPU load is disclosed, which establishes a parameter look-up table in a read-only memory (ROM). When a...
US-RE41,058 Device capable of signalling the inflating condition in the tires
The inventor discloses and claims a device for signaling the inflation condition of tires, as externally visible or as may be registered by remote audio or...
US-7,636,930 Mobile video system
A mobile video system includes a first video source, a second video source, a first video monitor, a second video monitor, an audio signal receiver, and a...
US-7,636,788 Method and apparatus for matching a user's use profile in commerce with a broadcast
A method for advertising over a network and broadcast media combination. A user's computer at a location on the network is operable to receive a signal from a...
US-7,636,662 System and method for audio-visual content synthesis
A system and method is provided for synthesizing audio-visual content in a video image processor. A content synthesis application processor extracts audio...
US-7,636,659 Computer-implemented methods and systems for modeling and recognition of speech
In accordance with the present invention, computer implemented methods and systems are provided for representing and modeling the temporal structure of audio...
US-7,636,514 Image pick-up device including recording and reproducing capabilities
An electronic device including an image pick-up element and an image pick-up device including a recording and reproducing element are provided in which shutter...
US-7,636,446 State machine enabling auto-recovery of short-circuited class D audio amplifiers
Methods and apparatus for enabling auto-recovery of a digital audio amplifier after a short-circuit are disclosed. In accordance with one embodiment, a...
US-7,636,443 Audio enhancement system
A stereo enhancement system processes the difference signal component generated from a pair of left and right input signals to create a broadened stereo image...
US-7,636,435 Device and method for processing audio signals and telecommunication set equipped with such a processing device
This device for processing audio signals for telecommunication equipment comprises automatic gain control means (18) acting on the level of the received audio...
US-7,636,126 Delay matching in audio/video systems
An audio/video system comprises an audio signal processing path having an audio path delay and a video signal processing path having a video path delay. The...
US-7,634,794 Broadcasting service system using mobile communication terminal
A system capable of receiving a television signal and telephone signal on a mobile communication terminal. In particular, the system is capable of displaying...
US-7,634,531 Interactive internet browser based media broadcast
A method of providing one-way video transmission and corresponding interactive two-audio communication to remote recipients via a world wide computer network...
US-7,634,526 Selectable quantization in an encoder
A method for selectable quantization for use in an encoder for compressing video and/or audio data includes processing that begins by receiving discrete cosine...
US-7,634,410 Method of audio-intonation calibration
An audio-intonation calibration method in which an audio signal emitted by a subject is reproduced to the auditory organs of the subject after real time...
US-7,634,402 Apparatus for coding of variable bitrate wideband speech and audio signals, and a method thereof
An apparatus for coding of variable bitrate wideband speech and audio is described. The apparatus utilizes: a) a speech and audio divider for dividing signals...
US-7,634,400 Device and process for use in encoding audio data
A mask generation process for use in encoding audio data, including generating linear masking components from the audio data, generating logarithmic masking...
US-7,634,225 Signal reception device, signal reception circuit, and reception device
The present invention provides a receiver that includes a plurality of tuners for receiving broadcasts such as satellite broadcast. A tuner circuit (1) includes...
US-7,634,098 Methods, devices, and computer program products for operating a mobile device in multiple signal processing...
An audio signal received at a mobile device is processed using a first set of equalization parameters in an acoustic coupling mode of operation, and is processed...
US-7,634,094 Method for obtaining real ear measurements using a hearing aid
The invention regards a method for measuring audio response of a real ear using the microphone of a hearing aid of an end user. The following sequence of steps...
US-7,634,093 Head related transfer functions for panned stereo audio content
A method to process audio signals, an apparatus accepting audio signals, a carrier medium that carried instructions for a processor to implement the method to...
US-7,634,092 Head related transfer functions for panned stereo audio content
A method to process audio signals, an apparatus accepting audio signals, a carrier medium that carried instructions for a processor to implement the method to...
US-7,634,031 Method and apparatus for encoding symbols carrying payload data for watermarking an audio or video signal, and...
Watermark information (denoted WM) consists of several symbols which are embedded continuously in an audio or a video signal. At decoder site the WM is regained...
US-7,634,005 Method and apparatus for synchronized recording of audio and video streams
A method for synchronized recording of audio and video signals is provided. The video signals are grouped into a plurality of video frames. The method comprises...
US-7,633,998 Wireless home repeater for satellite radio products
A system for receiving a satellite digital radio signal, the system comprising: a repeater having a unibody housing and an antenna disposed within the housing,...
US-7,633,336 Audio amplifier and methods of generating audio signals
Audio amplifiers and methods of generating audio signals are disclosed. A disclosed example amplifier comprises a first driver to receive a first signal; a...
US-7,633,270 Charger
A charger for charging a second battery is provided. The charger includes a charging circuit, a charging interface, the charger further comprise an audio...
US-7,630,902 Apparatus and methods for digital audio coding using codebook application ranges
A low bit rate digital audio coding system includes an encoder which assigns codebooks to groups of quantization indexes based on their local properties...
US-7,630,888 Program or method and device for detecting an audio component in ambient noise samples
The amount of data produced in the process of recording even short hearing samples by means of a monitor may be considerably reduced by effecting a normalization...
US-7,630,887 Enhancing the intelligibility of received speech in a noisy environment
A device receives a signal that includes human-interpretable audio information. The device automatically adjusts the volume of the audio information at the...
US-7,630,881 Bandwidth extension of bandlimited audio signals
A system extends a bandwidth of bandlimited audio signals by analyzing bandlimited audio signals at a transmission cycle rate. The analyzer may obtain a...
US-7,630,780 Frequency expansion for synthesizer
A method is provided for generating synthetic audio signals with a synthesizer by generating a synthesizer output signal with a low sampling rate of the...
US-7,630,646 Low power portable communication system with wireless receiver and methods regarding same
A portable communication system provides a universal transmitter that couples to a communication device having an audio port, e.g., a cellular phone audio port,...
US-7,630,569 Real-time software video/audio transmission and display with content protection against camcorder piracy
The invention presents new methods of compression, transmission, and decompression of video signals providing increased speed and image quality and for...
US-7,630,563 System and method for decoding digital image and audio data in a lossless manner
A method of losslessly decoding signals representing an image is claimed. A lossy compressed data file and a residual compressed data file are received. The...
US-7,630,282 Disk for audio data, reproduction apparatus, and method of recording/reproducing audio data
An audio disk has a first audio zone and a second audio zone. In the first audio zone, both of a plurality of tracks each including a single piece of music and a...
US-7,629,842 Class D audio amplifier
A class D audio amplifier includes an error amplifier, a comparator, a bridge circuit, a feedback circuit and a silent start circuit. The error amplifier...
US-7,629,528 System and method for musical sonification of data
A musical sonification system and method sonifies data, such as real-time financial market data, to produce an audio signal output including a musical rendering...
US-7,628,730 Methods and systems for controlling an exercise apparatus using a USB compatible portable remote device
A portable system retrieves one or more exercise programs from a remote communication system that provides motivational content for a user exercising upon an...
US-7,627,878 Method and System for automated auditing of advertising
The timing and placement of advertising on TV, radio or other broadcast media can be automatically verified or audited by monitoring and recording channels of...
US-7,627,811 Content-based synchronization method and system for data streams
A computer method and system synchronizes one streaming data signal with another data signal. A subject data signal and working data signal are received. The...
US-7,627,481 Adapting masking thresholds for encoding a low frequency transient signal in audio data
An improved audio coding technique encodes audio having a low frequency transient signal, using a long block, but with a set of adapted masking thresholds. Upon...
US-7,627,480 Support of a multichannel audio extension
Methods and units supporting a multichannel audio extension in a multichannel audio coding system are shown. In order to allow an efficient extension of an...
US-7,627,469 Audio signal encoding apparatus and audio signal encoding method
Any disagreement of the power level before encoding an audio signal and the power level after encoding the audio signal is adjusted to improve the sound quality...
US-7,627,467 Packet loss concealment for overlapped transform codecs
Real-time packet-based audio communications over packet-based networks frequently results in the loss of one or more packets during any given communication...
US-7,627,353 Circuit and method for providing an auto-off capability for a wireless transmitter
A circuit and method for providing an auto-off capability for a wireless transmitter, of a type having an audio plug which mates with the output jack of an audio...
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