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Searching: audio signal





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Patent # Description
US-8,681,203 Automatic mute control for video conferencing
In one example, a device executes one or more video communication processes that receive audio streams and video streams from a plurality of computing devices...
US-8,680,385 System and method for controlling a digital audio source
An apparatus for signal processing, wherein a disc is placed on a turntable and is provided with a groove which can be followed by the pick-up element, and...
US-8,677,389 Media usage monitoring and measurement system and method
Media monitoring and measurement systems and methods are disclosed. Some embodiments of the present invention provide a media measurement system and method that...
US-8,676,584 Method for time scaling of a sequence of input signal values
The invention relates to a digital signal processing technique that changes the length of an audio signal and, thus, effectively its play-out speed. This is...
US-8,676,571 Audio signal processing system and audio signal processing method
An audio signal processing system including a time-frequency conversion unit which converts an audio signal in time domain into frequency domain in frame units...
US-8,676,570 Methods, apparatus and articles of manufacture to perform audio watermark decoding
Example methods, apparatus and articles of manufacture to perform audio watermark decoding are disclosed. A disclosed example method includes receiving an audio...
US-8,676,569 Error concealment method and apparatus for audio signal and decoding method and apparatus for audio signal...
An error concealment method and apparatus for an audio signal and a decoding method and apparatus for an audio signal using the error concealment method and...
US-8,676,365 Pre-echo attenuation in a digital audio signal
A method is provided for attenuating pre-echoes in a digital audio signal generated from a transform encoding, comprising, upon decoding and for a current frame...
US-8,676,364 Apparatus and method for synchronizing multichannel extension data with an audio signal and for processing the...
For synchronizing multichannel extension data with an audio signal, wherein the audio signal includes block division information and the multichannel extension...
US-8,676,363 Information processing apparatus, audio signal processing method, and program product
An information processing apparatus includes a communication unit, an incoming data determining unit, and an audio processing command generator. The...
US-8,676,361 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound
Techniques and systems for enhancing delivered audio signals are disclosed which may be employed in a delivery system at a server side, a client side, or both....
US-8,676,114 Digital radio broadcast receiver, broadcasting methods and methods for tagging content of interest
A method for specifying content of interest using a digital radio broadcast receiver is described. A digital radio broadcast signal includes first audio content...
US-8,675,899 Front surround system and method for processing signal using speaker array
A front surround sound reproduction system which improves the performance of beam steering by using a speaker array arranged geometrically on two or more planes...
US-8,675,896 Apparatus and method for audio signal processing in dual standby mobile communication terminal
An apparatus and method for processing an audio signal in a dual standby mobile communication terminal are provided. The apparatus includes a first modem for...
US-8,675,894 Audio console system
An audio console system includes an input for receiving an audio signal. The system may also include a user adjustable input amplifier which may amplify audio...
US-8,675,893 Electronic apparatus
According to one embodiment, an electronic apparatus includes a speaker, a terminal, an amplifier, a power supply circuit, and a first controller. The terminal...
US-8,675,892 Spectral management system
A spectral management system may be used in an audio system to receive and process audio signals having multiple distributed audio channels, such as a right,...
US-8,675,891 Power supply unit with noise reduction capability
Embodiments of the present invention provide a power supply unit capable of achieving noise reduction while maintaining efficiency under the light load state. A...
US-8,675,887 Wireless illuminative speaker system and wireless illuminative speaker thereof
A wireless illuminative speaker system, comprising a wireless transmitter comprising a transmitter body, a wireless transmit module, a main board printed board...
US-8,675,881 Estimation of synthetic audio prototypes
An approach to forming output signals both permits flexible and temporally and/or frequency local processing of input signals while limiting or mitigating...
US-8,675,837 Method and apparatus for the secure storage of audio signals
In one embodiment, a method, system and apparatus for recording audio is provided so that the recording can be authenticated. The system may be implemented as a...
US-8,675,821 Network audio testing system and network audio testing method thereof
A network audio testing system and a network audio testing method thereof for testing the performance of a network communication system during communication are...
US-8,675,649 Audio network system and method of detecting topology in audio signal transmitting system
In an audio network system constructed from a main node and a plurality of satellite nodes each having a plurality of ports, the main node generates and...
US-8,675,454 Apparatus and method for signal processing
Method and apparatus for signal processing for controlling a digital audio source may include retrieving a time code signal from a rotating recording medium....
US-8,675,131 Signal processing device and TV with the signal processing device
A signal source which is detachably and electrically connected with a TV is disclosed. The TV has a video output unit and an audio output unit. Driven by the...
US-8,675,130 Electronic adapter unit for selectively modifying audio or video data for use with an output device
A standalone or integrated electronic unit for selectively modifying audio or video data for use with an output device. The electronic unit has one or more...
US-8,672,714 HDMI audio-video signal switching device
An HDMI audio-video signal switching device comprises two housing bodies and a conductively connecting circuit board. Each of the housing bodies has an...
US-8,670,990 Dynamic time scale modification for reduced bit rate audio coding
Systems and methods are described that utilize dynamic time scale modification (TSM) to achieve reduced bit rate audio coding. In accordance with embodiments,...
US-8,670,989 Appartus and method for coding and decoding multi-object audio signal with various channel
Provided are an apparatus and method for coding and decoding a multi-object audio signal. The apparatus includes a down-mixer for down-mixing the audio signals...
US-8,670,988 Audio encoding/decoding apparatus and method providing multiple coding scheme interoperability
There is provided an audio encoding device capable of causing a decoding side to freely select an audio decoding mode corresponding to a control method used for...
US-8,670,983 Speech signal similarity
A method for determining a similarity between a first audio source and a second audio source includes: for the first audio source, determining a first frequency...
US-8,670,982 Method and device for carrying out optimal coding between two long-term prediction models
Disclosed is a system and method for implementing compression coding of audio signals, such as speech signals, using two long-term prediction (LTP) models. The...
US-8,670,853 Analog-to-digital converter, sound processing device, and analog-to-digital conversion method
The invention provides a sound processing device. In one embodiment, the sound processing device comprises a first microphone, a first analog-to-digital...
US-8,670,850 System for modifying an acoustic space with audio source content
An audio signal processing system is configured to separate an audio signal into a dry signal component and one or more reverberant signal components. The dry...
US-8,670,655 Recording medium containing supplementary service information for audio/video contents, and method and...
The present invention relates to method and apparatus of providing supplementary service information for A/V contents written in a recording medium. This method...
US-8,670,584 Hearing device
Among other things, embodiments of systems for assisting hearing for individuals are disclosed. A hand-carryable transceiver having inputs for sound or other...
US-8,670,576 Method and an apparatus for processing an audio signal
A method of processing an audio signal is disclosed. The present invention includes receiving a downmix signal including at least one object signal and object...
US-8,670,575 Method and an apparatus for processing an audio signal
A method of processing an audio signal, comprising: receiving a downmix signal, a residual signal and object information; extracting at least one of a...
US-8,670,572 Analog-to-digital converter and analog-to-digital conversion method
The invention provides an analog-to-digital converter. In one embodiment, the analog-to-digital converter receives a first audio signal from a microphone, and...
US-8,670,570 Environmental effects generator for digital audio signals
An device and method of generating environmental reverberation effects for digital audio signals is presented. The device includes a reverberation controller....
US-8,670,554 Method for encoding multiple microphone signals into a source-separable audio signal for network transmission...
A method is provided for encoding multiple microphone signals into a composite source-separable audio (SSA) signal, conducive for transmission over a voice...
US-8,667,161 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-8,666,754 Audio signal encoding method, audio signal decoding method, encoding device, decoding device, audio signal...
When a frame immediately preceding an encoding target frame to be encoded by a first encoding unit operating under a linear predictive coding scheme is encoded...
US-8,666,753 Apparatus and method for audio encoding
A method and apparatus provides for encoding an audio signal. A bit rate value is received. A set of energy thresholds based on the bit rate value is selected....
US-8,666,751 Audio pattern matching for device activation
A system and method are disclosed for activating an electric device from a standby power mode to a full power mode. The system may include one or more...
US-8,666,740 Speech and noise models for speech recognition
An audio signal generated by a device based on audio input from a user may be received. The audio signal may include at least a user audio portion that...
US-8,666,733 Audio signal compression and decoding using band division and polynomial approximation
When encoding an audio signal, it is possible to efficiently encode the audio signal while maintaining high register signal components, and prevent...
US-8,666,732 High frequency signal interpolating apparatus
A high frequency signal interpolation apparatus provides, with a simple structure, a high-quality digital audio signal through interpolation of high frequency...
US-8,666,346 Robust FM modulation detector using signal autocorrelation
An FM receiver is unaware of the modulation level (frequency deviation) of the signal and has to make an estimate of it, or some reasonable time-average of it,...
US-8,666,314 Bluetooth transmission facility for hearing devices, and corresponding transmission method
A wireless audio transmission, for example from a television to a hearing device, is to be achieved simply and with a low signal delay. For this purpose are...
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