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Searching: audio signal





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Patent # Description
US-7,747,002 Method and system for stereo echo cancellation for VoIP communication systems
An exemplary embodiment of the present invention is directed toward a method and system for cancelling line echo in the presence of a known secondary audio...
US-7,746,904 Audio/video processing unit and control method thereof
A home theater includes a main unit section and at least one speaker section. The main unit section includes a communication section which receives an AV stream...
US-7,746,797 Non-intrusive monitoring of quality levels for voice communications over a packet-based network
Provided is a method and apparatus for objectively and non-intrusively measuring voice quality on live calls without disrupting the call session or the network....
US-7,746,629 Method and system for coupling a laptop or other portable or hand-held device to a docking system using an...
Methods and systems for coupling a laptop or other portable or hand-held device to a docking system using an Ethernet Interface are disclosed and may comprise...
US-7,746,412 Highly integrated television tuner on a single microcircuit
A broadband integrated receiver for receiving input signals and outputting composite video and audio signals is disclosed. The receiver employs an up-conversion...
US-7,745,718 Music-piece classifying apparatus and method, and related computer program
A bibliographic-information impression word is generated from a bibliographic information segment about selected one of music pieces. An acoustic feature...
US-7,745,714 Recording or playback apparatus and musical piece detecting apparatus
Provided is a recording or playback apparatus capable of separating a musical piece from an audio including the musical piece and a speech through a simple...
US-7,744,525 Moving coil actuator for middle ear implants
A hearing enhancement includes an audio processor that generates an electrical audio signal and transmits the signal to a coil. The coil is implanted into a...
US-7,744,428 Audio signal switcher
The present invention provides an audio signal switcher including a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB...
US-7,743,187 Audio system, and USB/UART common communication system for the same
An audio system sets a signal line path between the medium of an audio device and an external device and uploads a digital audio file from the external device to...
US-7,742,926 Digital audio signal compression method and apparatus
Compression of audio signal data is described herein. In various embodiments, the compression of each unit of the audio signal data includes the employment of a...
US-7,742,916 Method and devices for evaluating transmission times and for processing a voice signal received in a terminal...
A method for evaluating the processing delay of a speech signal contained in data packets received in a receiver terminal having a telephony module during a...
US-7,742,915 Apparatus and method for transmitting and receiving data in a mobile communication terminal
An apparatus for transmitting data from a mobile communication terminal includes an audio codec which converts a voice signal into digital voice data, a...
US-7,742,914 Audio spectral noise reduction method and apparatus
A method of reducing noise in an audio signal, comprising the steps of: using a furrow filter to select spectral components that are narrow in frequency but...
US-7,742,912 Method and apparatus to encode and decode multi-channel audio signals
An encoder (100) for encoding a multi-channel audio signal comprises a prediction processor (101) for generating two residual signals for two signal components...
US-7,742,832 Method and apparatus for wireless digital audio playback for player piano applications
The present invention discloses methods and systems for providing very high quality audio playback using all-digital wireless paths from a source to speaker...
US-7,742,749 Method and device for processing signals received by a receiver of radiophonic signals and car radio comprising...
A method for processing signals received (30) by a sound program signal receiver includes a step (42, 44) of adjusting at least one parameter for processing...
US-7,742,746 Automatic volume and dynamic range adjustment for mobile audio devices
A mobile audio device (for example, a cellular telephone, personal digital audio player, or MP3 player) performs Audio Dynamic Range Control (ADRC) and Automatic...
US-7,742,740 Audio player device for synchronous playback of audio signals with a compatible device
The present invention discloses a method, system and apparatus for playing an audio signal synchronously on a first mobile audio player and at least a second...
US-7,742,737 Methods and apparatus for identifying a digital audio signal
Method and apparatus for identifying broadcast digital audio signals include structure and/or function whereby the digital audio signal is provided to processing...
US-7,742,683 Information recording medium, information recording device and method, information reproduction device and...
An information recording medium includes a file for storing object data consisting of a plurality of packets and a file for storing, as its reproduction control...
US-7,742,680 Apparatus and method for processing signals
A tuner 1 receives a TV-broadcast signal from an antenna 6. The TV-broadcast signal is supplied to a demodulator 2. The demodulator 2 demodulates the audio...
US-7,742,609 Live performance audio mixing system with simplified user interface
A digital audio mixing system for live performance venues includes a software user interface and system host PC with an internal digital signal processor to...
US-7,742,592 Method and device for removing echo in an audio signal
Acoustic echo control and noise suppression is an important part of any "handsfree" telecommunication system, such as telephony or audio or video conferencing...
US-7,742,588 Speakerphone establishing and using a second connection of graphics information
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system...
US-7,742,466 Switchboard for multiple data rate communication system
A switchboard device and methods of operation of same are disclosed. Embodiments of the invention may provide a flexible means of interconnecting wideband and...
US-7,742,111 Highlight detecting circuit and related method for audio feature-based highlight segment detection
A highlight detecting circuit for detecting a highlight segment within a video signal includes a pitch-tracking module for estimating a plurality of pitch values...
US-7,742,106 Method and apparatus for setting language in television receiver
A method and apparatus for setting a language in a television receiver enable one language setting operation performed in a first menu, corresponding to one of a...
US-7,741,962 Auditory display of vehicular environment
An example apparatus for providing an audible signal representative of an environment comprises a sensor system, and an audio system providing an audible signal...
US-7,741,905 Automatic gain control circuit
An automatic gain control circuit includes a first voltage dividing resistor, a filter circuit, a switch circuit, and an amplifying circuit. The first voltage...
US-7,739,712 Apparatus and system for delivering audio/video content to a remote receiver
A system for communicating content streams (e.g., voice, video, data) between a content server connected to a network and a remote electronic device. In one...
US-7,739,711 Electronic television program guide with calendar tool
The present invention is described by an electronic program guide with a calendar tool, and a method and apparatus for transmitting and receiving the electronic...
US-7,739,152 Audio playlist creation system and method
Information about desired songs is collected on a portable memory device in communication with a radio tuner. The radio tuner may receive signals from a...
US-7,739,120 Selection of coding models for encoding an audio signal
The invention relates to a method of selecting a respective coding model for encoding consecutive sections of an audio signal, wherein at least one coding model...
US-7,739,105 System and method for processing audio frames
In accordance with a specific implementation of the disclosure, a stream of audio frames is received and compressed using psycho-acoustical processing. The...
US-7,738,913 Wireless communications protocol
Systems and methods are provided to wirelessly communicate with a wireless communication protocol. One aspect of the present subject matter relates to a method...
US-7,738,669 Method of outputting audio signal for the hard-of-hearing and mobile communication terminal using the method
A mobile communication terminal includes a receiver converting an audio signal outputted from the mobile communication terminal into an audible sound; a coupler...
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...
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