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Searching: audio signal





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Patent # Description
US-8,971,546 Systems, methods, apparatus, and articles of manufacture to control audio playback devices
Systems, methods, apparatus, and articles of manufacture to control audio playback devices are disclosed. An example audio playback device includes an audio...
US-8,971,522 Noise reduction
A method of reducing noise in an acoustic system, the method comprising at a first user terminal: receiving an audio signal from at least one further user...
US-8,970,298 Digitally controlled power supplies for an audio amplifier
An audio playback loop circuit including an audio amplifier for amplifying an analog audio signal based on digitally controlled power supplies, and a digitally...
US-8,967,465 Audio signaling training for bidirectional communications
Aspects of the subject disclosure provide a card reader for receiving payment card information at a mobile point-of-sale terminal. In some implementations, a...
US-8,967,323 Multi-directional foldback and front of house speaker enclosure
The enclosure comprises a seven-sided prism on which loudspeakers or other devices for sound reproduction are mounted at a substantial angle to each other....
US-8,966,517 Method, system and program product for broadcast operations utilizing internet protocol and digital artifacts
An affiliate site commands the central site to construct a unique broadcast event log through the affiliate site's command browser. The sequenced data stream of...
US-8,966,109 Systems, methods and computer-readable media for configuring receiver latency
The present disclosure is related to transmitting and receiving media channels, such as audio and video channels. These channels may be transmitted as packets...
US-8,965,775 Allocation of bits in an enhancement coding/decoding for improving a hierarchical coding/decoding of digital...
A method of binary allocation in an enhancement coding/decoding for improving a hierarchical coding/decoding of digital audio signals, including a core...
US-8,965,773 Coding with noise shaping in a hierarchical coder
A method is provided for hierarchical coding of a digital audio signal comprising, for a current frame of the input signal: a core coding, delivering a scalar...
US-8,965,758 Audio signal de-noising utilizing inter-frame correlation to restore missing spectral coefficients
In the field of audio encoding/decoding technologies, a signal de-noising method is provided. The method includes: selecting, according to a degree of...
US-8,965,547 Watermark signal provision and watermark embedding
A watermark signal provider provides a watermark signal suitable for being hidden in an audio signal when the watermark signal is added to the audio signal,...
US-8,965,545 Progressive encoding of audio
The present disclosure includes processing a signal to generate a first sub-set of data, transmitting the first sub-set of data for generation of a...
US-8,965,542 Digital playback device and method and apparatus for spectrally modifying a digital audio signal
A digital playback device and a method and apparatus for modifying a digital audio signal. The method includes allowing a user to select a digital audio track...
US-8,965,270 Audio system with centralized audio signal processing
One or more audio conferencing systems are connected to a local network, and each conferencing system is comprised of a plurality of wireless microphones in...
US-8,965,181 Automatic announcer voice attenuation in a presentation of a broadcast event
A method of automatic announcer voice removal from a televised sporting event. A sound processing circuit divides an audio input signal of a televised sporting...
US-8,965,024 Compact low frequency audio transducer
A rotary reciprocating acoustic transducer for producing sound in response to an applied electrical signal has a ported tubular housing having a generally...
US-8,965,015 Signal processing method, system, and apparatus for 3-dimensional audio conferencing
The present invention discloses a signal processing method, system and apparatus for 3-dimensional (3D) audio conferencing. The implementation is: a server...
US-8,965,014 Adapting audio signals to a change in device orientation
Left and right stereo channels L and R are provided to a first set of two or more speakers of a speaker array. A bass signal B is applied to a second set of one...
US-8,965,010 Multi-stage amplifiers to reduce pop noise
An amplifier (50) for voice or audio signals, and particularly for headset applications, uses a low g.sub.m amplifier (54) for initially charging an output node...
US-8,965,006 De-pop controller and method thereof
A de-pop controller and method thereof are provided. The controller includes an amplifier and a comparator. The amplifier receives and amplifies an audio input...
US-8,965,005 Transmission of noise compensation information between devices
One or more microphones of a first devices receive a first audio. The first device generates a first audio signal from the received first audio. The first...
US-8,965,004 Method for acquiring audio signals, and audio acquisition system thereof
Method for acquiring audio signals is described, wherein a microphone probe (11) equipped with a plurality (Y) of microphone capsules (B) detects a plurality of...
US-8,965,003 Signal processing using spatial filter
A device and method processing microphone signals from at least two microphones is presented. A first beamformer processes the signals from the microphones and...
US-8,965,002 Apparatus and method for enhancing audio quality using non-uniform configuration of microphones
An audio quality enhancing apparatus and method is provided in which a microphone array has a non-uniform configuration and thus a beam pattern of a desired...
US-8,965,000 Method and apparatus for applying reverb to a multi-channel audio signal using spatial cue parameters
A method and system for applying reverb to an M-channel downmixed audio input signal indicative of X individual audio channels, where X is greater than M....
US-8,964,999 Audio reproduction device and audio reproduction method
A method, apparatus, and computer-readable storage medium for processing a sound signal is provided. The method includes receiving first reference data...
US-8,964,998 System for dynamic spectral correction of audio signals to compensate for ambient noise in the listener's...
The present invention features systems for dynamically adjusting audio signals by applying a gain to the signal in a spectrally varying manner to compensate for...
US-8,964,997 Adapted audio masking
Ambient sound is masked by receiving an audio signal, monitoring an acoustic signal that includes components of both the ambient sound the audio signal,...
US-8,964,994 Encoding of multichannel digital audio signals
A method for coding a multi-channel audio signal representing a sound scene comprising a plurality of sound sources is provided. This method comprises...
US-8,964,993 Systems and methods for enhancing audio content
Systems and methods operate on multi-channel audio content having audio content spanning a plurality of frequency bands. The process can be configured to...
US-8,964,972 Apparatus, method, and system for digital content and access protection
There is described a method for providing an audio signal to a user-end, comprising: modifying an amplitude of at least some bits of the audio signal using at...
US-8,964,604 Conference endpoint instructing conference bridge to dial phone number
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system...
US-8,964,123 AV device with backlight brightness control
An AV device includes a communication component, a determination component, and a controller. The communication component is configured to receive a signal...
US-8,964,010 Display device and method of outputting audio signal
A display device receives first data for an object to be displayed at a first point in time and second data for the object to be displayed at a second point in...
US-RE45,389 Volume control for audio signals
A motion picture soundtrack reproduction system has a center front soundtrack channel and a plurality of other soundtrack channels. A volume control adjusts the...
US-8,959,181 System and method for creating and posting media lists for purposes of subsequent playback
A method and apparatus for creating and posting media is provided. For example, the invention allows a user to quickly create, signal process, encode, and...
US-8,959,023 Voice control for asynchronous notifications
A computing device may receive an incoming communication and, in response, generate a notification that indicates that the incoming communication can be...
US-8,959,017 Audio encoding/decoding scheme having a switchable bypass
An apparatus for encoding includes a first domain converter, a switchable bypass, a second domain converter, a first processor and a second processor to obtain...
US-8,959,015 Apparatus for encoding and decoding of integrated speech and audio
Provided is an apparatus for integrally encoding and decoding a speech signal and an audio signal. An encoding apparatus for integrally encoding a speech signal...
US-8,958,897 Synchronizing audio signal sampling in a wireless, digital audio conferencing system
A digital audio conferencing system has a fixed base station that is in communication with a far end (R.E.) system over a communication network. The base...
US-8,958,896 Dynamic routing of audio among multiple audio devices
A routing screen is presented on an electronic device by a user interface application in response to receiving a notification that an external audio device is...
US-8,958,859 Systems and methods for determining physiological characteristics of a patient using pulse oximetry
Methods, systems and related apparatus are provided to enable an electronic device to operate an external sensor comprising one or more emitters for emitting...
US-8,958,742 Mobile terminal and method for operating the same
A mobile terminal and a method for operating the same are discussed. The method for operating the mobile terminal includes displaying on the mobile terminal a...
US-8,958,597 Speaker with voice coil and field coil
A magnet-less electromagnetic voice coil actuator comprises a pot core magnet structure having a magnetic flux conductive core, a field coil within the pot core...
US-8,958,587 Signal dereverberation using environment information
An audio processing system includes an audio processing device and an external device, the audio processing device having a signal processing unit adapted for...
US-8,958,585 Sound image localization apparatus
Multiple independent sound images are formed by integrally performing uncorrelation processing and sound image localization processing on an input audio signal...
US-8,958,584 Apparatus, method, and medium for removing crosstalk
An apparatus, method, and medium of removing crosstalk are provided. The apparatus for removing crosstalk in each of audio signals of a plurality of channels,...
US-8,958,583 Spatially constant surround sound system
An audio processing system may modify an input surround sound signal to generate a spatially equilibrated output surround sound signal that is perceived by a...
US-8,958,578 Throat vibration audio wireless transmission apparatus
A throat vibration audio wireless transmission apparatus comprises a body, a throat vibration detection module and a wireless transmission module. The body...
US-8,958,577 System, method, and apparatus for adjusting an output of a transducer
A system and method for modulating the sound pressure that is output from an audio transducer is disclosed. In one embodiment, the method includes receiving an...
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