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Searching: audio signal





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Patent # Description
US-7,650,616 Methods and apparatus for identifying audio/video content using temporal signal characteristics
Methods and apparatus for identifying audio/video content using temporal characteristics of a signal are disclosed. The disclosed apparatus and methods detect a...
US-7,650,277 System, method, and apparatus for fast quantization in perceptual audio coders
A technique to encode an audio signal based on a perceptual model. In one example embodiment, this is accomplished by shaping quantization noise in the spectral...
US-7,650,145 Telephone set, communication adaptor, home appliance control method, and program recording medium
The invention relates to a telephone set comprises a connection apparatus to execute a connecting process for enabling transmission and reception of an...
US-7,650,118 Wireless transmission system and method
A wireless transmission system is provided. The system includes a wireless transmission apparatus for sending radio signals in a selected frequency and a...
US-7,650,010 Connected video and audio
The presently claimed invention relates to connecting video and audio signals to audio-video content. One claim recites a method including: receiving data at a...
US-7,650,003 Flat panel speaker and components therefor
A flat panel speaker. The speaker includes a drive unit made up of a signal oscillation radiator the winding of which promotes oscillating rather than...
US-7,650,002 Digital compressor for multi-channel audio system
A level adjustment method is applicable to an audio processing apparatus having a plurality of amplifiers corresponding to three or more of input channels of an...
US-7,650,000 Audio device and playback program for the same
The input signal X of one channel is divided by a multi-stage delay processing device Z.sup.-1 and each of the outputs is superimposed by a specified coefficient...
US-7,649,823 Method for recording asynchronously produced digital data codes, recording unit used for the method, method for...
A recording and reproducing system is broken down into a recording unit for producing a digital audio data signal from MIDI music data words asynchronously...
US-7,649,444 Positional audio cues for an vehicle indicator system
Embodiments of the present invention recite a method and system for providing positional audio cues for an vehicle warning system. In one embodiment, a sensor...
US-7,649,410 Systems and methods for improving performance in a digital amplifier by adding an ultrasonic signal to an input...
Systems and methods in which an ultrasonic signal is introduced into an audio signal before the audio signal is amplified by a switching amplifier. The added...
US-7,649,136 Music reproducing system for collaboration, program reproducer, music data distributor and program producer
A music reproducing system includes a musical instrument for reproducing a music tune on the basis of the MIDI music data, a sound reproducer for reproducing a...
US-RE41,080 Voice activated/voice responsive item locater
The present invention is an item location system which relies upon voice activation and responsiveness to identify location(s) of item(s) sought by a user. The...
US-7,647,615 Method and system for distributing digital audio and video to an analog wireless device
An audio input interface (122) receives a digital audio signal and identifies an audio bitstream which is optionally decrypted by a decryption unit (123), and...
US-7,647,229 Time scaling of multi-channel audio signals
A method and related apparatus comprising: buffering an encoded audio input signal comprising at least one combined signal of a plurality of audio channels and...
US-7,647,223 Robust composite quantization with sub-quantizers and inverse sub-quantizers using illegal space
A sub-quantizer for sub-quantization of a vector includes a sub-codevector generator that generates a set of candidate sub-codevectors, and transformation logic...
US-7,647,119 Distributed compression amplitude mapping for a cochlear stimulation system
An implantable neural stimulation system, such as a cochlear implant system, utilizes a Distributed Compression Amplitude Mapping (DCAM) system to distribute...
US-7,647,118 Distributed compression amplitude mapping for a neural stimulation system
An implantable neural stimulation system, such as a cochlear implant system, utilizes a Distributed Compression Amplitude Mapping (DCAM) system to distribute...
US-7,646,964 Reproduction apparatus connected to a monitor apparatus and remote controlling method thereof
A reproduction apparatus and a monitor apparatus are interconnected by one cable connector, which transmits an image and/or audio signal, a first control signal,...
US-7,646,876 System and method for stereo operation of microphones for video conferencing system
A microphone bar for obtaining audio input for a video conferencing system includes a master module and one or more slave modules. The master module houses a...
US-7,646,435 Mobile television receiver
The invention relates to the reproduction of a television signal on a distant reproduction device. The received television signal is encoded and transmitted in a...
US-7,646,193 Device inspection device, device inspection system using the same, and mobile telephone holding device
A device inspection apparatus that is capable of judging the functions of operating control buttons on a cellular phone or like device automatically and easily....
US-7,645,220 Perineometer with wireless biofeedback
A perineometer for home or clinical use assesses the strength of pelvic floor muscles and provides audible and visual biofeedback signals as training aids during...
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...
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