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Searching: audio signal





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Patent # Description
US-9,294,861 Audio signal processing device
A postprocessor mixes audio signals for an LSch and an RSch indicating virtual surround sounds generated by a virtual surround processing unit with audio...
US-9,294,860 Identifying directions of acoustically reflective surfaces
An audio device may be configured to produce output audio and to also capture input audio for speech recognition. Beamforming may be used to produce directional...
US-9,294,859 Apparatus with adaptive audio adjustment based on surface proximity, surface type and motion
A method includes detecting a surface in proximity to a mobile device using sensor data and determining an acoustic reflectivity or acoustic absorptivity of the...
US-9,294,858 Controlling acoustic echo cancellation while handling a wireless microphone
An audio system has a base station, a speaker and one or more wireless microphones. The audio system operates to receive audio information from both a far-end...
US-9,294,856 Method and device for personalized hearing
An electronic audio device for use with at least one earpiece, the earpiece having a microphone and a speaker located therein includes circuitry coupled to the...
US-9,294,855 Apparatus and method for processing audio signal
An audio signal processing apparatus and method for processing an audio signal are provided. The audio signal processing apparatus includes a signal detector...
US-9,294,854 Information processor, audio processor, audio processing system and program
An audio processor acquires processed sound data, which is obtained by processing original sound data according to a content of processing defined such that...
US-9,294,848 Adaptation of a classification of an audio signal in a hearing aid
A method determines the classification of an audio signal in dependence on a comparison of two difference sums of audio features over time periods of different...
US-9,294,839 Augmentation of a beamforming microphone array with non-beamforming microphones
Embodiments of the present disclosure include an apparatus (116) configured to perform beamforming on multiple audio input signals. The apparatus (116) includes...
US-9,294,837 Vehicular active vibrational noise control apparatus
A vehicular active vibrational noise control apparatus includes an amplitude limiter for limiting the amplitude of a canceling signal based on a signal level of...
US-9,294,836 Systems and methods for adaptive noise cancellation including secondary path estimate monitoring
In accordance with methods and systems of the present disclosure, a processing circuit may implement at least one of: a feedback filter having a response that...
US-9,294,835 Image capturing apparatus, signal processing apparatus and method
A signal processing apparatus reduces noise by generating an interpolated signal for a noise-containing period using audio signals in periods before and after...
US-9,294,834 Method and apparatus for reducing noise in voices of mobile terminal
The present invention discloses a method and an apparatus for reducing noise in voices of a mobile terminal and relates to the field of communications...
US-9,294,598 Switch circuit
A signal line from a common terminal, which allows the insertion of a terminal of a cable for transmitting high-frequency signals or the insertion of a terminal...
US-9,294,532 Performing an action on a social networking system based on a content identifier embedded in provided content
A content source provides metadata associated with content, such as an audio signal or video data, to a social networking system. The metadata identifies...
US-9,294,206 Method of controlling a wireless audio signal
A method of controlling a wireless audio signal in order to avoid frequency interference between a display apparatus with a multi-view function and glasses with...
US-9,294,060 Bandwidth extender
An apparatus for extending the bandwidth of an audio signal, the apparatus being configured to: generate an excitation signal from an audio signal, wherein in...
US-9,294,052 Personal computer to output audio in a non-operative state
According to one embodiment, an electronic apparatus includes a terminal, an amplifier, a speaker, a power supply circuit and a first controller. The terminal...
US-9,293,231 Audio/Video cable
An audio/video cable includes an insulated layer including a copper conductor for transmitting audio/video signals and an insulation layer formed on a periphery...
US-9,293,151 Speech signal enhancement using visual information
Visual information is used to alter or set an operating parameter of an audio signal processor, other than a beamformer. A digital camera captures visual...
US-9,293,150 Smoothening the information density of spoken words in an audio signal
A portion of an audio signal is identified corresponding to a spoken word and its phonemes. A set of alternate spoken words satisfying phonetic similarity...
US-9,293,149 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal,...
An audio encoder has a window function controller, a windower, a time warper with a final quality check functionality, a time/frequency converter, a TNS stage...
US-9,293,147 Selective voice transmission during telephone calls
Embodiments of the disclosure relate to selective voice transmission and include receiving an identification of one or more authorized speakers for a telephone...
US-9,293,146 Intensity stereo coding in advanced audio coding
A system and method for selectively applying Intensity Stereo coding to an audio signal is described. The system and method make decisions on whether to apply...
US-9,293,145 Device and method for postprocessing a decoded multi-channel audio signal or a decoded stereo signal
According to the invention, a device (101, 101') for postprocessing at least one channel signal of a plurality of channel signals of a multi-channel signal is...
US-9,293,144 Method and apparatus for controlling audio frame loss concealment
Methods and related apparatuses control concealment for a lost audio frame of a received audio signal. A method for a decoder of concealing a lost audio frame...
US-9,293,143 Bandwidth extension mode selection
A device includes a decoder that includes an extractor, a predictor, a selector, and a switch. The extractor is configured to extract a first plurality of...
US-9,293,128 Active noise control with compensation for acoustic leak in personal listening devices
An acoustic noise cancellation (ANC) process is performed during in-the-field use of a personal listening audio device, using a control filter to produce...
US-9,291,697 Systems, methods, and apparatus for spatially directive filtering
Systems, methods, and apparatus are described for applying, based on angles of arrival of source components relative to the axes of different microphone pairs,...
US-9,290,190 Systems and methods for determining whether a transportation track is occupied
A method for determining whether a defined section of a transportation track is occupied is described. The method includes inducing an audio frequency (AF)...
US-9,289,090 Cooktop appliances with intelligent response to cooktop audio
Cooktop appliances and methods of operation for intelligent response to cooktop audio are provided. One example cooktop appliance includes microphones for...
US-9,288,604 Downmixing control
An apparatus including an audio mixer configured to mix at least two audio channels of an audio signal; and a sensor configured to sense motion and/or...
US-9,288,601 Broad sound loudspeaker system
A sound system processor for converting left and right channel signals from an audio source into composite left and right signals and employing a mid-side...
US-9,288,599 Audio scene mapping apparatus
An apparatus comprising: a receiver configured to receive at least one audio signal from a recording apparatus; the receiver further configured to receive at...
US-9,288,590 Hearing device and method of low power operation thereof
A hearing device, an acoustic apparatus and a sound processing method thereof are provided. The method includes detecting audio signals, determining whether the...
US-9,288,579 Method for dynamically adjusting gain of parametric equalizer according to input signal, dynamic parametric...
The present invention relates to a method for dynamically adjusting a gain of parametric equalizer according to an input signal, a dynamic parametric equalizer...
US-9,288,578 Method and apparatus for canceling acoustic echo, and method for updating adaptive filter coefficient by the...
An apparatus for canceling an acoustic echo signal caused by a far-end talker signal is provided. The apparatus for canceling an acoustic echo signal includes:...
US-9,288,577 Preserving phase shift in spatial filtering
For preserving phase shift in spatial filtering is disclosed, an electronic device includes a microphone array. A filtering module spatially filters a plurality...
US-9,288,570 Assisting conversation while listening to audio
A portable system for enhancing communication between users in proximity to each other while listening to a common audio source includes headsets with an...
US-9,288,568 Headphone system for earbud speakers
The present invention relates to a personal headphone device, system and method configured to combine a headphone and earbud into one acoustical product. The...
US-9,288,564 Integrated audio-visual systems
Integrated audio-visual systems are provided. Such integrated audio-visual systems are capable of reproducing sound frequencies without compromising visual...
US-9,288,560 Branched acoustic device
An acoustic device configured for use with an audio source. The acoustic device includes a stem portion and multiple branches forming a cavity for passage of an...
US-9,288,453 Method and device for lossy encoding data and corresponding device for reconstructing data
The invention proposes modification of quantized coefficients for signalling of a post-processing method. Therefore, it is proposed a method for lossy...
US-9,288,370 Imaging apparatus and audio processing apparatus
An audio signal acquired by an audio acquisition unit during a predetermined period from when a drive signal has been output is analyzed, and a noise reduction...
US-9,286,943 Enhancing karaoke systems utilizing audience sentiment feedback and audio watermarking
A digital audio/video (A/V) content can be selected from a data store within a computing device. The content can include a vocal free recording and a...
US-9,286,913 Atmosphere expression word selection system, atmosphere expression word selection method, and program
Disclosed is an information display system provided with: a signal analyzing unit which analyzes the audio signals obtained from a predetermined location and...
US-9,286,908 Method and system for noise reduction
A method for noise reduction is provided including: beamforming audio signals sampled by a microphone array to get a signal with an enhanced target voice and a...
US-9,286,900 Method and system for handling the processing of bluetooth data during multi-path multi-rate audio processing
An audio codec in a baseband processor may be utilized for mixing audio signals received at a plurality of data sampling rates. The mixed audio signals may be...
US-9,286,897 Speech recognizer with multi-directional decoding
In an automatic speech recognition (ASR) processing system, ASR processing may be configured to process speech based on multiple channels of audio received from...
US-9,286,879 Localization of a wireless user equipment (UE) device based on out-of-hearing band audio signatures for ranging
A scheme for localizing a wireless user equipment (UE) device's relative position with respect to a spatial configuration based on audio signatures received via...
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