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Searching: audio signal





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Patent # Description
US-7,645,141 Arrangement for auscultation training
An arrangement and method for auscultation training is provided including a transmitter associated with an audio device for transmitting an audio signal to an...
US-7,644,001 Differentially coding an audio signal
Coding an audio signal wherein values of first parameters, which represent aspects of the audio signal at a first instant are calculated to obtain first...
US-7,643,789 Multimedia data transfer for a personal communication device
In a portable multimedia device, data is passed between a sender and receiver unit by way of voice channel only. Multimedia data is vocalized and then forwarded...
US-7,643,728 Magnetic recording/reproduction apparatus
A video signal recording apparatus with a video and audio memorizing section for temporarily memorizing an inputted video audio signal, a time code generating...
US-7,643,168 Apparatus for capturing, converting and transmitting a visual image signal via a digital transmission system
An image capture, conversion, compression, storage and transmission system provides a data signal representing the image in a format and protocol capable of...
US-7,643,097 Multiple-TV display channel setting method and module
A multiple-TV display channel setting method for synchronously a setting mapping relation between display channels and transmission channels to a first TV and a...
US-7,643,090 Methods and apparatus to distinguish a signal originating from a local device from a broadcast signal
Methods and apparatus to distinguish a signal originating from a local device from a broadcast signal are disclosed. A disclosed system classifies a video...
US-7,642,911 Multiple child unit monitor system
A monitor system has at least first and second child units that can each monitor audio at a different location and can each transmit signals representative of...
US-7,640,157 Systems and methods for low bit rate audio coders
A technique to enhance audio quality of a quantized audio signal when a perceptual audio coder is operating at low bit rates. The perceptual audio coder uses a...
US-7,640,156 Low bit-rate audio encoding
In a sinusoidal audio encoder a number of sinusoids are estimated per audio segment. A sinusoid is represented y frequency, amplitude and phase. Normally, phase...
US-7,639,828 Wireless hearing system and method for monitoring the same
A hearing system is provided, having a hearing device, an audio signal transmitter, an audio signal source for providing audio signals to the audio signal...
US-7,639,823 Audio mixing using magnitude equalization
According to one embodiment, during mixing of an N-channel input signal to generate an M-channel output signal, in at least one frequency sub-band, magnitude...
US-7,639,791 Means and method for detecting three-way call attempts
Method, including monitoring an audio signal on a telephone line with a detector and detecting an energy pulse in the audio signal on the telephone line;...
US-7,639,599 Embedding supplementary data in an information signal
Disclosed is a method of adjusting a supplementary data signal (wm(n)) to be embedded in an information signal (x(n)), for example an audio signal. The method...
US-7,639,598 Simultaneous full-duplex communication over a single electrical conductor
Simple, inexpensive, general-purpose devices and methods achieve simultaneous, full-duplex and bi-directional communication of analog, digital or audio signals...
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...
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