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Searching: audio signal





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Patent # Description
US-8,209,189 Digital audio signal processing 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-8,208,970 Directional communication systems
A wireless communication system based on a directional speaker is disclosed. The system can include an interface unit and a base unit. The audio signals from...
US-8,208,786 Portable storage device for recording and playing back data
The present invention provides a device for recording and playing back audio/video signals. A portable storage device (11) has mounted thereon a portable...
US-8,208,670 Sound recordable/playable device and method of use
A portable and wearable sound recordable and playable device comprising an electronic module that provides audio recording and playback functions and that...
US-8,208,660 Method and system for audio level detection and control
In a method and system for audio level detection and control, an amplitude of an audio signal may be compared to a threshold and an attenuation applied to the...
US-8,208,658 Amplifier apparatus and method
An amplifier power-down apparatus for suppressing transient signals in a circuit, for example an audio circuit, comprising a reference voltage generator circuit...
US-8,208,654 Noise cancellation for wireless audio distribution system
A wireless audio distribution system may have a wireless transmitter, responsive to a plurality of audio input channels, for transmitting signals carrying the...
US-8,208,649 Methods and systems for robust approximations of impulse responses in multichannel audio-communication systems
Proper estimation of impulse responses is an important and challenging aspect of multichannel echo control. Various embodiments of the present invention are...
US-8,208,648 Sound field reproducing device and sound field reproducing method
The sound field reproducing apparatus includes: a signal obtaining unit which obtains input audio signals of plural channels; an effect adding unit which gives...
US-8,208,646 Audio filtration for content processing systems and methods
In one of many possible embodiments, a method includes providing an audio output signal to an output device for broadcast to a user, receiving audio input, the...
US-8,208,645 System and method for harmonizing calibration of audio between networked conference rooms
A system and method is disclosed for harmonizing calibration of audio between a plurality of networked conference rooms to enable each networked conference room...
US-8,208,644 Earhealth monitoring system and method III
A system for monitoring sound pressure levels at the ear includes an ambient sound microphone (ASM) for receiving ambient sounds and an ear canal receiver (ECR)...
US-8,208,642 Method and apparatus for a binaural hearing assistance system using monaural audio signals
The present application provides method and apparatus for a binaural hearing assistance system using a monaural audio signal input. The system, in various...
US-8,208,640 TV audio multi-standard detection apparatus and method
An audio multi-standard detection apparatus is provided to pre-record a plurality of audio broadcasting format carrier bands. The detection apparatus includes:...
US-8,208,639 Audio output device and audio output method
An audio output device includes: a speaker unit including at least first to third speakers; and an audio signal processor configured to select either one of a...
US-8,208,069 Audio processing apparatus, video processing apparatus, and method for controlling the same
A video audio system includes an audio processing apparatus capable of processing audio signals input from a plurality of input sources and a video processing...
US-8,208,024 Communication and surveillance system
A surveillance and communication system is provided and includes two-way audio communication capabilities and a covert video acquisition system. In one...
US-8,206,304 Doppler transceiver and probe for use in minimally invasive procedures
A system is disclosed for the detection of blood flow. The system provides, a portable transceiver unit having a signal generator, a signal comparator, and an...
US-8,206,302 Method and apparatus for filling doppler signal gaps in ultrasound diagnostic imaging
The present invention provides a method and apparatus for filling Doppler signal gaps. The method comprises steps of: storing Doppler signals before and after a...
US-RE43,496 Method and apparatus for compensating reproduced audio signals of an optical disc
An apparatus and method for compensating audio signals to be recorded on an optical disc to optimize usage of memory in an audio decoding circuit, and to...
US-RE43,495 Method and apparatus for compensating reproduced audio signals of an optical disc
An apparatus and method for compensating audio signals to be recorded on an optical disc to optimize usage of memory in an audio decoding circuit, and to...
US-8,205,237 Identifying works, using a sub-linear time search, such as an approximate nearest neighbor search, for...
A media work may be associated with an action by (a) extracting features from the media work, (b) determining an identification of the media work, based on the...
US-8,205,223 Method and video device for accessing information
A method and video device are disclosed for accessing information. In an embodiment of the present invention, part of data included in a title, being played,...
US-8,204,756 Methods and apparatuses for encoding and decoding object-based audio signals
An audio decoding method and apparatus and an audio encoding method and apparatus which can efficiently process object-based audio signals are provided. The...
US-8,204,742 System for processing an audio signal to enhance speech intelligibility
An adaptive audio system can be implemented in a communication device. The adaptive audio system can enhance voice in an audio signal received by the...
US-8,204,614 Audio processing apparatus and audio processing method
A user selects a plurality of pieces of music data desired to be reproduced concurrently, at an input unit of an audio processing apparatus, from music data...
US-8,204,613 Method and apparatus with multimedia interface for generating audio clock
A method for generating an audio clock includes: receiving a reference clock; receiving a received signal from a multimedia interface of a receiver, wherein the...
US-8,204,610 Eletronic device, display device, and method of controlling audio/video output of an electronic device
An electronic device, a display device, and a method of controlling audio/video output of the electronic device are disclosed. The electronic device includes a...
US-8,204,553 Display control for cellular phone
A control system for a mobile device comprises an audio input that generates an audio input signal. An audio amplifier amplifies the audio input signal using a...
US-8,204,539 Analog processing device for a data transmission device
In order to put the voice transmission function of a data transmission device into practice, the present invention provides an analog processing device for a...
US-8,204,492 Methods and systems for processing a communication from a calling party
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-8,204,440 Wireless transmitting/receiving device
A wireless transmitting/receiving device includes a wireless emitter, a connector, a digital signal processor, an audio signal connector and an analog signal...
US-8,204,435 Wireless headset supporting enhanced call functions
A modular wireless headset includes earpiece(s) and microphone(s), where the earpiece and microphone may be physically separate devices. The earpiece renders...
US-8,204,358 Image and audio reproducing apparatus and method
At least one of a recorded image signal data, recorded audio signal data, and recorded image signal multiplex data, and reproduction information data describing...
US-8,204,266 Audio devices
An electronic device having an audio function and its loudspeaker arrangement are described. The electronic device comprises an exterior housing, an acoustic...
US-8,204,263 Method of estimating weighting function of audio signals in a hearing aid
Disclosed is method of generating an audible signal in a hearing aid by estimating a weighting function of received audio signals, the hearing aid is adapted to...
US-8,204,262 Sound image localization processor, method, and program
There are provided: a means (101a) for storing standard head related transfer functions for reference positions from a virtual listener; a means (101) for, when...
US-8,204,261 Diffuse sound shaping for BCC schemes and the like
An input audio signal having an input temporal envelope is converted into an output audio signal having an output temporal envelope. The input temporal envelope...
US-8,204,258 Multiband audio dynamics processor
An audio system includes an automatic level controller receiving at least one input audio signal from at least one audio medium. The automatic level controller...
US-8,204,256 System and method for muting TV speakers when headphones in use
An audio source (TV, stereo) detects, through a wireless signal from a headphone or from its cradle, when the headphone has been disengaged from the cradle. In...
US-8,204,255 Method of distortion-free signal compression
An audio signal in which an audio signal is received as a stream of digital samples, each being a numerical value representing a sampled signal level. A first...
US-8,204,253 Self calibration of audio device
An audio device performs self calibration with respect to an audio source location when processing an audio signal frame determined likely to be dominated by...
US-8,204,251 Amplifier apparatus and method
An amplifier start-up apparatus for reducing transient signals in a circuit, for example an audio circuit, comprising a reference voltage generator circuit for...
US-8,204,250 Audio processing system and method
In an audio processing system and method, pull-up circuits and a capacitor circuit are used to cause gradual change in voltage levels of audio signals which...
US-8,204,249 Methods and systems for reducing acoustic echoes in multichannel audio-communication systems
Various embodiments of the present invention are directed to adaptive real-time, acoustic echo cancellation methods and systems. One method embodiment of the...
US-8,204,247 Position-independent microphone system
An audio system generates position-independent auditory scenes using harmonic expansions based on the audio signals generated by a microphone array. In one...
US-8,204,242 Active noise reduction adaptive filter leakage adjusting
An active noise reduction system using adaptive filters. A method of operation the active noise reduction system includes smoothing a stream of leakage factors....
US-8,204,239 Audio processing method and audio processing apparatus
Samples of a component having a frequency less than a predetermined frequency in an input audio signal that is a digital signal having a predetermined sampling...
US-8,204,237 Adaptive primary-ambient decomposition of audio signals
A stereo audio signal is processed to determine primary and ambient components by transforming the signal into vectors corresponding to subband signals, and...
US-8,204,234 Apparatus and method for generating binaural beat from stereo audio signal
An apparatus and method for generating a binaural beat for brainwave induction is provided. Upon receipt of a stereo audio signal, a decorrelator extracts a...
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