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Searching: audio signal





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Patent # Description
US-8,559,651 Synthetic stereo on a mono headset with motion sensing
A system, processor implemented method, and non-transitory computer readable medium for playing a synthetic stereo on a mono headset with motion sensing. The...
US-8,559,648 Active noise control using bass management
An active noise cancellation system reduces, at a listening position, the power of a noise signal being radiated from a noise source to the listening position....
US-8,559,611 Audio signal routing
A communication system that includes multiple conferencing devices connected in a daisy-chain configuration is communicably connected to far-end conference...
US-8,559,570 Cancellation of undesired portions of audio signals
In one embodiment, the present invention includes a method for determining when a step change occurs to a control value for a numerically controlled oscillator...
US-8,559,466 Selecting discard packets in receiver for voice over packet network
A method includes receiving at a receiver a voice signal in the form of a sequence of data packets, and using an automatic level control (ALC) component of the...
US-8,558,951 Method, device and system for synchronizing audio/video signals
A method and device for synchronizing audio/video signals is provided. A first and a second auxiliary signal are generated, wherein the first and the second...
US-8,558,706 Wireless alarm intercom system
A wireless electronic intercom system with integrated smoke alarm and over-temperature detection capabilities with the capability of providing audio...
US-8,558,618 Versatile audio power amplifier
An audio power amplifier includes a first and a second amplification unit, each including a switching voltage amplifier, an output filter, a current...
US-8,554,884 Setting and modifying method of user operating interface for use in digital audio/video playback system
A setting and modifying method of a user operating interface is used between a user device and a digital audio/video signal receiving and processing device...
US-8,554,569 Quality improvement techniques in an audio encoder
An audio encoder implements multi-channel coding decision, band truncation, multi-channel rematrixing, and header reduction techniques to improve quality and...
US-8,554,568 Apparatus and method of processing an audio signal, utilizing unique offsets associated with each...
In one embodiment, the method includes receiving an audio signal including a prediction residual of a block of digital audio data and coded coefficient values....
US-8,554,553 Non-negative hidden Markov modeling of signals
Methods and systems for non-negative hidden Markov modeling of signals are described. For example, techniques disclosed herein may be applied to signals emitted...
US-8,554,551 Systems, methods, and apparatus for context replacement by audio level
Configurations disclosed herein include systems, methods, and apparatus that may be applied in a voice communications and/or storage application to remove,...
US-8,554,550 Systems, methods, and apparatus for context processing using multi resolution analysis
Configurations disclosed herein include systems, methods, and apparatus that may be applied in a voice communications and/or storage application to remove,...
US-8,554,548 Speech decoding apparatus and speech decoding method including high band emphasis processing
An audio decoding device can adjust the high-range emphasis degree in accordance with a background noise level. The audio decoding device includes: a sound...
US-8,554,349 High-frequency interpolation device and high-frequency interpolation method
It is possible to generate an interpolation signal in which spectrum in frequency characteristics develops in a continuous manner according to a reproduced...
US-8,554,348 Transient detection using a digital audio workstation
A processor implements methods, systems, and computer program products for detecting transients in an audio file. The method includes dividing the audio file...
US-8,554,347 Remote audio amplifier monitoring system
An apparatus is provided for remotely monitoring a plurality of amplifiers on a display device. The amplifiers are provided to process audio signals and...
US-8,554,329 Percutaneous cochlear implant systems and methods
A percutaneous cochlear implant system includes a cochlear stimulator configured to be coupled to an electrode lead, the electrode lead comprising a plurality...
US-8,554,133 Method and apparatus for wireless digital audio and video playback
The present invention discloses methods and systems for providing very high quality audio and video playback using all-digital wireless paths from the source to...
US-8,554,057 Information signal processing method and apparatus, and computer program product
There is provided an information signal processing method used when performing a special reproduction operation for digest reproduction of a video/audio...
US-8,554,047 Composite audio-video apparatus
In a composite audio-video apparatus, when a user operates a remote controller and sends a DVD reproducing command, a remote control receiving section receives...
US-8,554,045 Docking station for portable entertainment devices
A docking station is configured to receive media in the form of audio and/or video from a portable entertainment device. The docking station transmits the...
US-8,553,914 Apparatus for reproduction of stereo sound
Apparatus for reproducing stereo sound having a housing (1, 25) defining an at least partially enclosed space. A first transducer (7) or pair of transducers...
US-8,553,913 Condenser microphone and head thereof
A head of a condenser microphone includes: a condenser microphone unit; a housing supporting the condenser microphone unit; a first circuit board arranged...
US-8,553,909 Low-power class D amplifier using multistate analog feedback loops
An audio amplifier system may include an audio CODEC/output (AOP) path featuring analog class-D amplifiers, and using Natural Sampling Pulse Width Modulation...
US-8,553,908 Amplification apparatus
An amplification apparatus comprises: an amplifier circuit that amplifies an input audio signal and outputs an output audio signal; a first signal level...
US-8,553,906 Apparatus for enabling karaoke
There is provided an apparatus for enabling karaoke. The apparatus includes a casing for the apparatus; a microphone array incorporated within the casing, the...
US-8,553,905 Always on headwear recording system
A system that records audio and stores the recording is provided. The system includes first and second monitoring assemblies mounted in an earpiece that...
US-8,553,902 Multi-channel broadcasting system using digital matrix amplifier and method of controlling the same
A multi-channel broadcasting system using a digital matrix amplifier performing the setting of respective equipment is provided to control the model equipment...
US-8,553,895 Device and method for generating an encoded stereo signal of an audio piece or audio datastream
A device for generating an encoded stereo signal from a multi-channel representation includes a multi-channel decoder generating three of more multi-channels...
US-8,553,894 Active and passive directional acoustic radiating
An three-way audio system that uses directional arrays for radiating mid-frequency acoustic energy and passive directional devices to radiate the high...
US-8,553,892 Processing a multi-channel signal for output to a mono speaker
Systems, methods, and devices for processing an audio signal with two or more channels into a monaural signal are provided. For example, an electronic device...
US-8,553,891 Low complexity parametric stereo decoder
A stereo audio decoder generates a set of stereo output channels in response to a parametric audio input including signal parameters and stereo related...
US-8,553,890 Sound reproduction method and sound reproduction system
A sound reproduction system includes low frequency speaker units for reproducing low frequency sounds by receiving audio signals on low frequency channels among...
US-8,553,865 Multi-point to multi-point intercom system
A multi-point to multi-point intercom system, formed by at least one intercom server and a plurality of intercom terminals, the intercom terminals registered as...
US-8,553,678 Distributed codec for packet-based communications
A packet-based communications system is provided, including: a client communications module for transmitting digital audio signals to a user interface device...
US-8,553,504 Crossfading of audio signals
A technique is disclosed to implement crossfading of audio tracks. In one embodiment, the function describing the fade out of the ending audio track and/or the...
US-8,553,159 Radio frequency powered remote control
Described herein is a remote control for controlling audio/visual equipment. The remote control may include an input device, a transmitter, and a power...
US-8,553,148 Methods and apparatus to distinguish a signal originating from a local device from a broadcast signal
Methods and apparatus to distinguish a signal originating from a local device from a broadcast signal are disclosed. A disclosed example method includes...
US-8,552,860 Binaural audio signal-based applications
Applications for detecting binaural sounds and customizing binaural sounds for users. A system is disclosed having: an interface for obtaining a plurality of...
US-8,550,978 System for and method of controlling playback of audio signals
A system (1) and method for controlling the reproduction of audio signals via the monitoring of the state of relaxation of a person, wherein at least one...
US-8,550,207 High retention aural transmission device
Apparatus and associated methods may relate to a unitary body having a hardness of between 20 and 35 according to the Japanese Industrial Standards (JIS) and...
US-RE44,525 Systems and methods for over-current protection
Systems and methods for over-current protection in all-digital amplifiers using low-cost current sensing mechanisms. An over-current hard clipping unit receives...
US-8,548,816 Efficient scalefactor estimation in advanced audio coding and MP3 encoder
An efficient approach for estimating scalefactors for use in the quantization of audio signal spectrum values is described. The scalefactor estimation approach...
US-8,548,814 Method and portable system for phonetic language translation using brain interface
A phonetic language translation system receives audio output from an audible program presented to the user, so as to identify any speech signal contained within...
US-8,548,804 Generating sample error coefficients
This invention relates to generation of a sample error coefficient suitable for use in an audio signal quality assessment system. The invention provides a...
US-8,548,803 System and method of processing a sound signal including transforming the sound signal into a frequency-chirp...
A system and method may be configured to process an audio signal. The system and method may track pitch, chirp rate, and/or harmonic envelope across the audio...
US-8,548,801 Adaptive time/frequency-based audio encoding and decoding apparatuses and methods
Adaptive time/frequency-based audio encoding and decoding apparatuses and methods. The encoding apparatus includes a transformation & mode determination unit to...
US-8,548,616 Digital audio device
A digital audio device has a plurality of input ports that are provided with a plurality of digital audio signals. A plurality of extraction parts extract a...
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