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Searching: audio signal





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Patent # Description
US-7,848,922 Method and apparatus for a thin audio codec
An apparatus and method for encoding and decoding a voice signal. The apparatus includes an encoder configured to generate an output bitstream signal from an...
US-7,848,921 Low-frequency-band component and high-frequency-band audio encoding/decoding apparatus, and communication...
An audio encoding apparatus capable of improving a frame cancellation error tolerance without increasing a number of bits of a fixed codebook in a CELP type...
US-7,848,772 Methods and systems for audio and video communication
Systems for audio and video communication used in a mobile electronic device are provided. An embodiment of a system comprises a display object generation unit,...
US-7,848,738 Teleconferencing system with multiple channels at each location
A method is disclosed that breaks the "one line, one location" paradigm of teleconferencing in the prior art. The teleconference bridge in the illustrative...
US-7,848,530 Electronic device and its control method
According to this invention, mechanical noise from a noise source of a pre-identified device can be removed, while tracing a change in gain of acoustic wave...
US-7,848,511 Telecommunications-terminal mute detection
The subject matter provides a method that enable detecting if a party engaged into a tele-conference call is attempting to engage into conversation while a...
US-7,848,398 System and method for dynamic allocation of spectrum
A communication system is provided for transmitting video, audio, and data content between two or more nodes of a communications network comprised party of...
US-7,847,835 Still camera with audio decoding and coding, a printable audio format, and method
A digital still camera comprises an imaging system for capturing a single image of printed material containing a printed audio format; a processor for extracting...
US-7,847,651 Method of and apparatus to generate pulse width modulated signal from sampled digital signal by chaotic modulation
A method and apparatus to generate a pulse width modulated signal from a sampled digital signal by chaotic modulation. The method includes generating...
US-7,847,556 Detector for detecting a buried current carrying conductor
A detector 1 for detecting a buried current carrying conductor comprises a digital homodyne receiver. The receiver processes field strength signals induced in a...
US-7,847,178 Interactive digital music recorder and player
A digital multi-media device provides features for a user unskilled in musical arts or sound handling techniques that provides automatic musical score...
US-7,845,605 Multimedia device bracket
An apparatus and method for mounting various audio devices to a flat panel display employing mounting holes disposed on a rearward face of the panel of the flat...
US-7,845,552 ATM system and method
An exemplary system includes an ATM (322) which is operative to conduct transactions including cash dispensing for users responsive to communication with a...
US-7,845,041 Interactive musical toothbrush
A toothbrush includes a storage unit having an input, a memory for storing audio signals received via the input. The unit can have an output for transmitting or...
US-7,844,830 Information processing apparatus and audio output method
According to one embodiment, an information processing apparatus includes encrypting unit which encrypts first digital audio data by using an encryption key,...
US-7,844,452 Sound quality control apparatus, sound quality control method, and sound quality control program
According to one embodiment, sound quality control processing for speech or music is performed by calculating various kinds of characteristic parameters to...
US-7,844,262 Method for announcing a calling party from a communication device
A system and method are disclosed for announcing a calling party from a communication device. A system that incorporates teachings of the present disclosure may...
US-7,844,168 Video decoding apparatus, video decoding method, and digital audio/video playback system capable of controlling...
A video decoding apparatus capable of controlling presentation of sub-pictures includes a first decoder, a second decoder, a first scaler, a second scaler and a...
US-7,844,167 System and apparatus for digital audio/video decoder splitting signal into component data streams for rendering...
The present invention provides a system and an apparatus for a digital audio/video decoder comprising a file reader capable of obtaining an encoded audio/video...
US-7,844,166 Reproduction device, video decoding device, synchronization/reproduction method, program and recording medium
In a random access reproduction of a stream in which video and audio are multiplexed, it is difficult to reproduce the video and audio in synchronization. A...
US-7,844,074 Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data
The implementations of digital watermarks can be optimally suited to particular transmission, distribution and storage mediums given the nature of...
US-7,844,070 Methods and apparatus for processing audio signals
Various methods and apparatus for processing audio signals are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or upon a...
US-7,844,061 Speaker system of utilizing pulse width modulation signals for saving idling power consumption
In a speaker system, pulse width modulation signals are utilized for driving said speaker system, and duty cycles of both left audio channel signals and right...
US-7,844,060 Remote control single crystal speaker system
A light socket mounted radio receiver speaker device having a light bulb screw base for attaching to a light socket. A detector having a detector signal input, a...
US-7,843,865 System and method for controlling home network devices using multicast enabled remote controls
A system, method, and article of manufacture for controlling home network devices using a multicast enabled remote control. The system includes a plurality of...
US-7,843,820 Wi-Fi quality of service signaling
The transmission of signaling frames in a QoS system may be prioritized over the transmission of content frames carrying time-sensitive information. The...
US-7,843,514 Signal transmitter and signal receiver
In a signal transmitter and a signal receiver, a multiplexing part multiplexes a video signal and a time-base-compressed audio signal on the basis of a...
US-7,843,271 Audio amplifier and methods for use therewith
An audio amplifier includes an output stage for generating an output stage voltage in response to an input signal and an output stage quiescent current. A...
US-7,843,260 Method and apparatus for high performance class D audio amplifiers
The present disclosure provides a method and apparatus for high performance class D audio amplifier circuit that includes: a modulator circuit for receiving a...
US-7,842,875 Scheme for providing audio effects for a musical instrument and for controlling images with same
A method for use with a musical instrument includes receiving a signal representative of a sound produced by the musical instrument, receiving a selection of an...
US-7,841,965 Audio-signal generation device
An audio-signal generation device includes a generation circuit which generates track data and an input unit which receives information input by a user. The...
US-7,841,946 System for remote game access
A system for allowing a user to remotely access a game includes: a game console; a remote console client configured to receive a game control signal; and a...
US-7,840,983 Method and apparatus for wireless digital audio/video playback for computers
A computer-based digital wireless audio and video system for consumer audio, home theater and recording studio applications is disclosed. The system distributes...
US-7,840,740 Personal media device docking station having an accessory device detector
Systems and methods include a circuit for detecting the insertion of a component into a docking station, e.g., an audio plug. When the component is inserted into...
US-7,840,691 Personal broadcast server system for providing a customized broadcast
A personal broadcast server system provides a customized broadcast to one or more users over a transmission media. A data storage device stores a plurality of...
US-7,840,411 Audio encoding and decoding
A multi-channel audio encoder (10) encodes an N-channel audio signal. A first unit (110) generates a first encoded M-channel signal, e.g. a spatial stereo...
US-7,840,410 Audio coding based on block grouping
Blocks of audio information are arranged in groups that share encoding control parameters to reduce the amount of side information needed to convey the control...
US-7,840,402 Audio encoding device, audio decoding device, and method thereof
There is disclosed an audio encoding device capable of realizing effective encoding while using audio encoding of the CELP method in an extended layer when...
US-7,840,242 Earphone antenna
An earphone antenna includes: earphone cords; an earphone portion; a coaxial cable; and a pin plug connector portion; wherein the earphone cords cooperate with a...
US-7,840,177 Device for monitoring multiple broadcast signals
A media content monitoring system uses a rack adapted to receive multiple carrier boards to improve the system's ability to be configured to specific...
US-7,840,015 Thermal feedback for switch mode amplification
A thermal sensor at the output of a switching amplifier senses heat dissipation at the output switch. If an overheating condition is sensed, gain of the digital...
US-7,840,014 Sound apparatus with howling prevention function
An acoustic system that eliminates the howling that occurs when the sound outputted by the speaker feeds back to the input device. The acoustic system comprises...
US-7,840,012 Audio conditioning apparatus, method and computer program product
The audio conditioning apparatus (190) for conditioning an audio signal (O) to be output, contains a noise characterizing unit (106, 112) arranged to evaluate a...
US-7,839,355 Vehicle display device having a wireless transmitter
There is provided a display device for a vehicle having a seat. The display device includes an assembly housing adapted to mount at a rear portion of the seat. A...
US-7,839,211 Error correction system for a class-D power stage
The present invention relates to a method for correcting for a source of non-linearity and noise introduced in a switching power amplification stage during power...
US-7,839,186 Preset circuit of audio power amplifier
A preset circuit of an audio power amplifier includes an inverter and a voltage drop device. The inverter receives an input signal to output an output signal,...
US-7,838,756 Audio playback device having function for adjusting playback speed and a method thereof
An audio playback device having a function for adjusting a playback speed, and a method thereof includes, in the audio playback device, stored audio data is...
US-7,836,770 Method and system for noise dosimeter with quick-check mode and earphone adapter
A noise dosimeter with capability to rapidly predict noise exposure over an extended time period based on a measurement of short duration. Either an acoustic or...
US-7,836,183 Internet audio scanner and method
An apparatus for processing signals produced by signal sources, including a first signal source that is a first server of streaming audio signals, which include...
US-7,835,917 Apparatus and method of processing an audio signal
In one embodiment, at least one audio data frame having at least one channel is generated. Each channel is divided into a plurality of blocks. A sub-block...
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