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Searching: audio signal





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Patent # Description
US-7,738,666 Method for adjusting a system for providing hearing assistance to a user
There is provided a method for adjusting a system for providing hearing assistance to a user (101), the system comprising a microphone arrangement (26) for...
US-7,738,665 Method and system for providing hearing assistance to a user
There is provided a method for providing hearing assistance to a user (101), comprising capturing audio signals by a microphone arrangement (26) and transmitting...
US-7,738,664 Apparatus for fault detection for parallelly transmitted audio signals and apparatus for delay difference...
Characteristic amounts in each small region of audio signals transmitted in the working system and the standby system are extracted by characteristic amount...
US-7,738,653 Method for selecting impedance setting for loop start trunk line
A method of selecting an optimum impedance for a loop start trunk line, comprising successively applying respective ones of a plurality of impedance settings to...
US-7,738,645 Mobile terminal and multimedia contents service providing system and method for call connection waiting using...
The present invention relates to a mobile terminal and a terminal communication system, and more particularly to, a mobile terminal, which allows multimedia...
US-7,738,613 Streaming multi-channel audio as packetized data or parallel data with a separate input frame sync
Systems and methods for converting a data stream from a first sample rate to a second sample rate, where the data is received in bursts. In one embodiment, a...
US-7,738,550 Method and apparatus for generating compact transcoding hints metadata
An audio/video (or audiovisual, "A/V") signal processing apparatus and method for extracting a compact representation of a multimedia description and transcoding...
US-7,737,886 Doppler radar systems
A frequency scanning radar system includes a frequency scanning radar controller for use in controlling a frequency generator, the frequency generator being...
US-7,737,656 Automatic recharging mouse with self-movement feature
An automatic mouse charging system includes a charger plate and an automatically chargeable mouse. The charger plate includes an audio signal emitter for...
US-7,736,297 Tinnitus rehabilitation device and method
A tinnitus method and device for providing relief to a person suffering from the disturbing effects of tinnitus is described. The method can be implemented...
US-7,736,193 Audio and video plug and socket having integrated video contact
An audio and video plug is provided, comprising a male audio plug having at least one audio signal plug contact and one audio ground plug contact, the plug being...
US-7,735,011 Midi composer
A technique for creating polyphonic audio signals of telecommunication devices such that the technique may be performed quickly without a user needing music...
US-7,734,465 Sub-band voice codec with multi-stage codebooks and redundant coding
Techniques and tools related to coding and decoding of audio information are described. For example, redundant coded information for decoding a current frame...
US-7,734,362 Calculating a doppler compensation value for a loudspeaker signal in a wavefield synthesis system
For reducing Doppler artifacts in the wave-field synthesis due to delay changes from one time to a second time, first, the delay for the first time and the delay...
US-7,734,310 Mobile terminal device
To provide a mobile terminal device which enables a user to view the television broadcast while the television broadcast is being displayed or the television...
US-7,734,274 Narrow-band detections of a received signal
The frequency of an RF signal to be transmitted is modulated at the transmitting unit, and the modulation information is used by the receiving unit to filter out...
US-7,734,265 Audio muting circuit and audio muting method
In an audio muting circuit, after a short delay from a first time at which a first mute signal generation circuit causes a first mute signal to fall from "H"...
US-7,734,256 System for interfacing with an audio player, and method of manufacturing same
A system for interfacing with an audio player comprises a housing (110, 410) containing a first connector (111, 411), a transmission device (120, 420) including...
US-7,733,918 System for live audio presentations
In a live audio presentation system, a stage rack and a front of house rack are interconnected by a transmission medium that transmits digital audio data and...
US-7,733,673 Method and apparatus to reduce audio frequencies in a switching power supply
A controller for use in a power supply regulator is disclosed. One controller includes a feedback circuit coupled to generate an equivalent switching frequency...
US-7,733,428 Audio-visual (AV) apparatus and its control method
According to one embodiment, an audio-visual apparatus that has received operation information transmitted using infrared receives a response signal via a radio...
US-7,733,376 Remote monitor and control system for draining floodgate of seawall
Disclosed is a remote monitor and control system for draining floodgate of a seawall in that movie and audio signals of a draining floodgate are transmitted to a...
US-7,733,367 Method and system for audio/video capturing, streaming, recording and playback
A system and method for audio/visual displaying, capturing, streaming, recording and playback is disclosed. The invention has many applications including...
US-7,733,174 Feedback controlled power limiting for signal amplifiers
An apparatus is provided. The apparatus includes an amplifier, differential amplifiers, and FETs. The amplifier has an intermediate node and an output node, and...
US-7,733,171 Class D amplifier having PWM circuit with look-up table
A class D amplifier includes a noise-shaping modulator, a pulse width modulator, and a pulse amplifier. The noise-shaping modulator receive a pulse code...
US-7,733,151 Operating clock generation system and method for audio applications
A clock signal generator (1) includes a phase locked loop (PLL) circuit (25) which requires a reference clock signal of at least a predetermined first frequency...
US-7,732,938 Adapter for use with vehicle-mounted electronics
An adapter for use with vehicle-mounted electronics includes an adapter body further including an input section having at least one main input terminal to which...
US-7,730,512 Audio and video transmission and receiving system
A system of distributing video and/or audio information employs digital signal processing to achieve high rates of data compression. The compressed and encoded...
US-7,729,906 Clicking noise detection in a digital audio signal
In a method (M) to detect a noise signal (PS1, PS2, PS3) in a digital audio signal (EAS), it is provided that the audio signal (EAS) is divided into successive...
US-7,729,790 Phase alignment of audio output data in a multi-channel configuration
Systems and methods for ensuring proper phase alignment of audio signals which are processed by separate hardware channels in an audio amplification system. In...
US-7,729,687 Audio delivery of callerid information to a wireless communications device
Systems and methods for announcing audio calling identification information associated with an incoming communications signal from a calling party to a wireless...
US-7,729,675 Reducing noise during a gain change
In one embodiment, the present invention includes a method for injecting a gain compensation value into a signal path of a receiver for a predetermined time when...
US-7,729,673 Method and apparatus for multichannel signal limiting
A method and apparatus provide multichannel signal limiting to prevent any channel signal within a multichannel signal from exceeding defined limits, while still...
US-7,729,497 Audio signal enhancement
An audio signal (A) is enhanced by dividing the signal into time segments of a selected frequency range and scaling the audio signal in each time segment. The...
US-7,729,461 System and method of signal processing
An audio processor is disclosed and includes a sample rate converter and a digital phase-locked-loop module in communication with the sample rate converter. The...
US-7,729,391 Transmitting device with discard control of specific media data
A transmitting device includes a first buffer for temporarily storing audio data, a second buffer for temporarily storing video data, a multiplexing unit for...
US-7,729,255 Method of a signal transmission for controlling a quantity of data transmitted and a signal transmission...
When digital signals are to be transmitted between a camera unit and a camera control unit, the distance of their transmission depends on the frequency at which...
US-7,728,874 Video camera apparatus
A video camera apparatus provided with image capturing means, which includes: audio communication means for receiving an audio signal from a wireless microphone...
US-7,728,666 Close-loop class-D audio amplifier and control method thereof
The present invention discloses a Class-D power amplifier and control method thereof. In one embodiment, the amplifier feeds back the signal at the output node...
US-7,728,660 Audio signal processing system and method
An audio signal processing system and method is disclosed. In a particular embodiment, the audio signal processing system includes a first electrical path...
US-7,728,658 Low-noise, low-distortion digital PWM amplifier
Systems and methods for performance improvements in digital switching amplifiers using low-pass filtering to reduce noise and distortion. In one embodiment, a...
US-7,728,651 Drive circuit, voltage conversion device and audio system
The first control transistor is connected between a first input node for receiving a first input signal swinging between a first voltage and a second voltage and...
US-7,725,310 Audio encoding
Coding of an audio signal (x) represented by a respective set of sampled signal values (x(t)) for each of a plurality of sequential time segments is disclosed....
US-7,725,075 Control element for simplex HF to VHF/UHF cross-band system with transmission breakthrough
The device and method disclosed deals with the operation of a cross-band simplex radio frequency communications system. In a system having a first band receiver...
US-7,725,073 System and method for providing event spectators with audio/video signals pertaining to remote events
A system and method providing content for access by a portable device at an event is provided. The method includes receiving a plurality of signals from a...
US-7,725,006 Record carrier carrying a video signal and at least one additional information signal
A record carrier is described carrying a video signal and at least one additional information signal, such as graphics or audio. The at least one additional...
US-7,724,908 System and method for programming a hearing aid
A system for providing a talk-over functionality from an attendant to a hearing aid user comprises a hearing aid (4), a link device (5) connected to the hearing...
US-7,724,891 Method to reduce acoustic coupling in audio conferencing systems
A method to reduce acoustic coupling in an audio conferencing system having a loudspeaker and a plurality of microphones, comprising detecting the presence of...
US-7,724,885 Spatialization arrangement for conference call
A method for distinguishing speakers in a conference call of a plurality of participants, in which method speech frames of the conference call are received in a...
US-7,724,843 Clock adjustment for a handheld audio system
A handheld audio system having a radio signal decoder that includes a method for adjusting a system clock. Adjusting the system clock includes receiving a signal...
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