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Searching: audio signal





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Patent # Description
US-7,630,569 Real-time software video/audio transmission and display with content protection against camcorder piracy
The invention presents new methods of compression, transmission, and decompression of video signals providing increased speed and image quality and for...
US-7,630,563 System and method for decoding digital image and audio data in a lossless manner
A method of losslessly decoding signals representing an image is claimed. A lossy compressed data file and a residual compressed data file are received. The...
US-7,630,282 Disk for audio data, reproduction apparatus, and method of recording/reproducing audio data
An audio disk has a first audio zone and a second audio zone. In the first audio zone, both of a plurality of tracks each including a single piece of music and a...
US-7,629,842 Class D audio amplifier
A class D audio amplifier includes an error amplifier, a comparator, a bridge circuit, a feedback circuit and a silent start circuit. The error amplifier...
US-7,629,528 System and method for musical sonification of data
A musical sonification system and method sonifies data, such as real-time financial market data, to produce an audio signal output including a musical rendering...
US-7,628,730 Methods and systems for controlling an exercise apparatus using a USB compatible portable remote device
A portable system retrieves one or more exercise programs from a remote communication system that provides motivational content for a user exercising upon an...
US-7,627,878 Method and System for automated auditing of advertising
The timing and placement of advertising on TV, radio or other broadcast media can be automatically verified or audited by monitoring and recording channels of...
US-7,627,811 Content-based synchronization method and system for data streams
A computer method and system synchronizes one streaming data signal with another data signal. A subject data signal and working data signal are received. The...
US-7,627,481 Adapting masking thresholds for encoding a low frequency transient signal in audio data
An improved audio coding technique encodes audio having a low frequency transient signal, using a long block, but with a set of adapted masking thresholds. Upon...
US-7,627,480 Support of a multichannel audio extension
Methods and units supporting a multichannel audio extension in a multichannel audio coding system are shown. In order to allow an efficient extension of an...
US-7,627,469 Audio signal encoding apparatus and audio signal encoding method
Any disagreement of the power level before encoding an audio signal and the power level after encoding the audio signal is adjusted to improve the sound quality...
US-7,627,467 Packet loss concealment for overlapped transform codecs
Real-time packet-based audio communications over packet-based networks frequently results in the loss of one or more packets during any given communication...
US-7,627,353 Circuit and method for providing an auto-off capability for a wireless transmitter
A circuit and method for providing an auto-off capability for a wireless transmitter, of a type having an audio plug which mates with the output jack of an audio...
US-7,627,352 Headset audio accessory
An audio accessory for a headset. The accessory includes a first circuit for wirelessly receiving audio signals from a first external source of audio signals, a...
US-7,627,130 Circuit and method for automatically limiting the amplitude of broadcast audio signals
A circuit for processing broadcast signals that includes circuitry for receiving and processing broadcast signals which contain audio information and providing a...
US-7,627,129 Apparatus and method for suppressing feedback
An apparatus for suppressing feedback in an environment where a microphone and a loudspeaker are located, comprises a means for embedding a test signal into a...
US-7,626,736 Scanning apparatus
A scanning apparatus includes a scanning structure and an audio broadcasting structure. The scanning structure includes a body and a data processing unit located...
US-7,626,636 Electronic apparatus and broadcast standard determination method
According to one embodiment, an electronic apparatus includes a receiver which receives a broadcast signal, a demodulator which filters the received broadcast...
US-7,626,519 Pulse-width modulation of pulse-code modulated signals at selectable or dynamically varying sample rates
Digital audio circuitry including modulation circuitry (35; 135) for generating a pulse-width modulated (PWM) signal from processed pulse-code modulated (PCM)...
US-7,626,110 Energy-based audio pattern recognition
An energy-based pattern recognition algorithm receives the input frames of an audio signal and a test frame sequence and returns a best match in the audio signal...
US-7,625,319 Interactive virtual personal trainer
A virtual trainer system and method of using such a system is provided. The system can include an impact receiving body capable of being struck by a user and a...
US-7,625,213 Magnetic means for detachably and rotatably connecting components in an audio speaker system
Magnetic means for detachably and rotatably connecting components in an audio speaker system which comprises a transmitter module securely disposed in a power...
US-7,624,919 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-7,624,204 Input/output controller node in an adaptable computing environment
A reconfigurable input/output controller (IOC) allows an adaptive computing engine (ACE) to communicate with external devices. The external devices can comprise...
US-7,624,044 System for marketing goods and services utilizing computerized central and remote facilities
A system and means for facilitating transactions between central and remote facilities utilizes electronic communications devices, and computing equipment for...
US-7,624,012 Method and apparatus for automatically generating a general extraction function calculable on an input signal,...
The invention enables to generate a general function (4) which can operate on an input signal (Sx) to extract from the latter a value (DVex) of a global...
US-7,623,889 Mobile communication apparatus with multimedia audio/video functions
A mobile communication apparatus with multimedia audio/video functions includes an upper casing, a lower casing movably connected to a backside of the upper...
US-7,623,833 Dual output digital exciter
Systems and methods are provided for generating dual outputs in a digital exciter system. A first signal path produces one of a frequency modulated audio signal,...
US-7,623,669 Simplified amplifier providing sharing of music with enhanced spatial presence through multiple headphone jacks
A personal listening device used in connection with the amplification of signals for enhancing the perceived quality and ambiance of sound heard by listener...
US-7,623,668 Audio alert system and method
An audio alert system, device, and method include an audio alert created by a user and programmed into a device, such as a wireless telephone. A user programs...
US-7,623,641 Audio communication unit
A voice communication unit for communicating though a barrier includes an outer audio unit including an outer voice sensing device and an outer voice reproducing...
US-7,623,186 Apparatus and method for displaying a television video signal in a mobile terminal
An apparatus and method for displaying a television video signal in a mobile terminal. The apparatus comprises an input unit for generating a plurality of...
US-7,620,716 System and method to predict the performance of streaming media over wireless links
An improved system and method for predicting streaming media performance through the use of real-time wireless network performance measurements and statistical...
US-7,620,554 Multichannel audio extension
A method is shown for supporting a multichannel audio extension at an encoding end of a multichannel audio coding system. In order to improve the audio quality...
US-7,620,546 Isolating speech signals utilizing neural networks
A speech signal isolation system configured to isolate and reconstruct a speech signal transmitted in an environment in which frequency components of the speech...
US-7,620,545 Scale factor based bit shifting in fine granularity scalability audio coding
One embodiment of the present invention provides a method coding audio signals in a base layer and an enhancement layer comprising the steps of quantizing the...
US-7,620,469 Method of identifying digital audio signal format
A method of identifying file format, converting file from assumed format and bit ordering to user-definable format, dividing file into blocks, determining...
US-7,620,432 Mobile terminal for interoperating with a standard or push-button enabled headset
The present invention relates to a mobile terminal that can interoperate with a plurality of headsets. The present invention further relates to systems and...
US-7,620,410 Broadcast station synchronization method and mobile terminal
A broadcast station synchronization method in a mobile terminal operating with a system clock different from the reference clock of a broadcast station, wherein...
US-7,620,298 Disc reproducing apparatus
A reproducing apparatus including a reproducing unit for reproducing an SACD held in a reproduction position and outputting an audio signal and also reading disc...
US-7,620,194 Digital hearing aid battery conservation method and apparatus
A digital hearing aid adjusts power to a processor or other modules to conserve battery life. The digital hearing aid receives and measures audio signals from an...
US-7,620,158 Video relay system and method
A video relay system for allowing impaired individuals to communicate across a network includes a first device capable of sending and receiving audio and video...
US-7,620,105 Information processing apparatus, information processing method, and distribution media
An information processing apparatus capable of accurately detecting commercials included in a television broadcast. A commercial candidate section detector...
US-7,619,784 Pacing and error monitoring of manual page turning operator
Systems and methods for pacing and error monitoring of a manual page turning operator of a system for capturing images of a bound document are disclosed. The...
US-7,619,692 Control system and user interface for network of input devices
Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices, such as communication, consumer electronic,...
US-7,619,660 Automatic photography
In automatic photographic or electronic camera apparatus, sounds from a person are preferentially received or identified to provide an audio signal, used to...
US-7,619,645 Audio visual media encoding system
The present invention relates to a method, system and apparatus for encoding audio visual media signals sourced from preferably a video conference transmission....
US-7,619,551 Audio codec, digital device and voice processing method
An audio codec is provided, comprising an analog to digital converter (ADC) operable to receive an analog input signal for producing a first digital signal, and...
US-7,619,471 Class D amplifier with increased efficiency
The present invention is a method of operating a speaker by converting an audio signal to a pulse-width modulated signal that has a plurality of positive pulses...
US-7,619,467 Modulated triangular wave amplifier
The invention is a power amplifier circuit for providing a signal acceptable for use in audio amplifiers or similar applications without requiring a stable power...
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