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Searching: audio signal





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Patent # Description
US-8,892,424 Audio analysis terminal and system for emotion estimation of a conversation that discriminates utterance of a...
An audio analysis system includes a terminal apparatus and a host system. The terminal apparatus acquires an audio signal of a sound containing utterances of a...
US-8,892,233 Methods and devices for creating and modifying sound profiles for audio reproduction devices
Method and devices for processing audio signals based on sound profiles are provided. A reproduction device can request a sound profile based on user...
US-8,892,231 Audio classification method and system
Embodiments for audio classification are described. An audio classification system includes at least one device which executes a process of audio classification...
US-8,892,229 Audio apparatus
An audio apparatus according to an embodiment includes an audio signal receiving unit, a music gap signal receiving unit, a playback unit, and a determining...
US-8,892,228 Concealing audio artifacts
At least one segment is identified in an audio signal. The audio segment is associated with an artifact within the audio signal and has a time duration. At...
US-8,892,226 Audio repair methods and apparatus
An audio recording may be repaired by implementing a processor to process the harmonic signal content of the audio recording; calculating a difference signal...
US-8,892,225 Wideband personal-radio recorder
Methods and apparatuses for concurrently recording multiple radio channels. A recorder includes a wideband tuner having a complex mixer for converting a...
US-8,892,173 Mobile electronic device and sound control system
According to an aspect, a mobile electronic device includes: a sound production unit for producing a sound based on a sound signal; an input unit for receiving...
US-8,891,803 Notebook power supply with integrated subwoofer
A portable electrical appliance comprises an audio signal source, a power supply module having a housing external to the portable electrical appliance for...
US-8,891,801 Prenatal sound device
An audio attenuation device for attenuating audio for transmission to an unborn baby includes a body and an attachment mechanism for attaching the body to an...
US-8,891,797 Audio format transcoder
An audio format transcoder for transcoding an input audio signal, the input audio signal having at least two directional audio components. The audio format...
US-8,891,794 Methods and devices for creating and modifying sound profiles for audio reproduction devices
Method and devices for processing audio signals based on sound profiles are provided. A reproduction device can request a sound profile based on user...
US-8,891,789 Adjusting the loudness of an audio signal with perceived spectral balance preservation
The loudness of an audio signal is adjusted while reducing changes in its perceived spectral balance, using a dynamically-controllable filter having a...
US-8,891,779 In-ear earphone
There is provided an in-ear earphone comprising a housing having at least one electroacoustic transducer, a control unit which outputs a test signal to the...
US-8,891,778 Speech enhancement
A method for enhancing speech includes extracting a center channel of an audio signal, flattening the spectrum of the center channel, and mixing the flattened...
US-8,891,777 Hearing aid with signal enhancement
A method of binaural signal enhancement in a binaural hearing aid system, includes providing at least one microphone audio signal in response to sound,...
US-8,891,775 Method and encoder for processing a digital stereo audio signal
The invention discloses a method and an encoder for processing a digital audio stereo signal. A digital audio encoder for coding such audio signal comprises a...
US-8,891,708 Obtaining a desired non-zero phase shift using forward-backward filtering
Forward and backward filters in cascade establish a specified phase shift in audio or video signals. The backward filter applies its filtering in a backward...
US-8,891,013 Repeater being utilized between a source and sink device for Lip-syncing in an HDMI system
A repeater is to be provided between a source device and a sink device and be used in a Lip-sync correction system that transmits a video signal and an audio...
US-8,890,953 Optical-based scene detection and audio extraction
In analyzing a scene, a projection device may project an image onto surfaces or objects within the scene. The image may include user interface elements as well...
US-8,890,608 Digital input class-D audio amplifier
An audio amplifier receiving a digital input audio signal and generating an output audio signal for driving a speaker includes a digital input class D amplifier...
US-8,889,976 Musical score position estimating device, musical score position estimating method, and musical score position...
A musical score position estimating device includes an audio signal acquiring unit, a musical score information acquiring unit acquiring musical score...
US-RE45,251 Audio output adjusting device of home theater system and method thereof
A home theater system, an audio output adjusting device of a home theater system and methods thereof allow a prescribed or three-dimension audio configuration...
US-8,887,212 Extended connectivity point-of-deployment apparatus and concomitant method thereof
A POD module system includes a housing, a coaxial cable connector formed on the housing and connectable to a first device to receive a cable signal, a port...
US-8,887,191 Methods and apparatus for identifying media using temporal signal characteristics
Methods and apparatus to identify media content using temporal signal characteristics are disclosed. An example method to identify media content includes...
US-8,887,187 Audio-visual terminal, viewing authentication system and control program
An audio-visual terminal and a viewing authentication system and control programs therefor are provided. The audio-visual terminal includes a reproducing part...
US-8,886,699 Offloading the processing of signals
A server computer that is connected over a network to one or more remote client computers includes specialized hardware for handling computationally-intensive...
US-8,886,635 Apparatus and method for recognizing content using audio signal
The present invention relates to an apparatus and method for recognizing content using an audio signal. The content recognition apparatus includes a query...
US-8,886,548 Audio encoding device, decoding device, method, circuit, and program
Provided is an encoding device (1) including: a pitch contour analysis unit (101) which detects information, a dynamic time-warping unit (102) which generates,...
US-8,886,529 Method and device for the objective evaluation of the voice quality of a speech signal taking into account the...
A method and device are provided for the objective evaluation of voice quality of a speech signal. The device includes: a module for extracting a background...
US-8,886,528 Audio signal processing device and method
A highlight section including an exciting scene is appropriately extracted with smaller amount of processing. A reflection coefficient calculating unit (12)...
US-8,886,524 Signal processing based on audio context
Described herein are systems, methods, and apparatus for determining audio context between an audio source and an audio sink and selecting signal profiles based...
US-8,886,523 Audio decoding based on audio class with control code for post-processing modes
In accordance with an embodiment, a method of generating an encoded audio signal, the method includes estimating a time-frequency energy of an input audio...
US-8,886,451 Hearing device providing spoken information on the surroundings
A navigation system includes a hearing device configured to be head worn and having loudspeakers for emission of sound towards ears of a user; a GPS unit for...
US-8,886,346 Oversampling in a combined transposer filter bank
The present invention relates to coding of audio signals, and in particular to high frequency reconstruction methods including a frequency domain harmonic...
US-8,886,146 Infrared receiving unit
An IR receiver having a decision logic circuit for activating or deactivating a squelch. Activation or deactivation of the squelch is effected in dependence on...
US-8,885,852 Audio control system
Technologies are generally described for a system for controlling an audio signal based on a proximity of, e.g., a user's hand to at least one component of an...
US-8,885,850 Cardioid beam with a desired null based acoustic devices, systems and methods
An acoustic device is provided with first and second one or more acoustic elements to generate a first signal that includes mostly undesired audio and...
US-8,885,844 Variable noise masking during periods of substantial silence
Methods and systems for masking audio noise are disclosed. One apparatus includes a silence detector configured to detect a period of substantial silence in an...
US-8,885,841 Audio processing apparatus and method, and program
An audio processing apparatus includes an audio signal acquisition unit which acquires an audio signal of a musical piece, a feature value extraction unit which...
US-8,885,836 Decorrelator for upmixing systems
An improved decorrelator is disclosed that processes an input audio signal in two separate paths. In one path, a banded phase-flip filter is applied to lower...
US-8,885,834 Methods and devices for reproducing surround audio signals
Method and devices for providing surround audio signals are provided. Surround audio signals are received and are binaurally filtered by at least one filter...
US-8,885,804 Method for carrying out an audio conference, audio conference device, and method for switching between encoders
A method and an audio conference device for carrying out an audio conference are disclosed, whereby classification information associated with a respective...
US-8,885,523 Speakerphone transmitting control information embedded in audio information through a conference bridge
Disclosed herein are methods, systems, and devices for improved audio, video, and data conferencing. The present invention provides a conferencing system...
US-8,885,281 Electrical device having a reducing harddisk vibration function and reducing harddisk vibration method
The present application discloses a method to reduce hard-disk vibrations. The method to reduce hard-disk vibrations is for an electrical device having a...
US-8,885,101 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-8,885,007 Method and system for initiating communication via a communication network
A method of communicating between a first user and a second user comprises using a first system to transmit, from the first user, a first signal for delivery to...
US-8,884,372 Analog signal compatible CMOS switch as an integrated peripheral to a standard microcontroller
At least one analog signal compatible complementary metal oxide semiconductor (CMOS) switch circuit is incorporated with digital logic circuits in an integrated...
US-8,884,149 Musical measurement stimuli
Systems and method for performing adaptive audio signal processing using music as a measurement stimulus signal. A musical stimuli generator may be used to...
US-8,880,761 Efficient low-latency buffer
An efficient low latency buffer, and method of operation, is described. The efficient low latency buffer may be used as a bi-directional memory buffer in an...
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