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Searching: audio signal





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Patent # Description
US-9,306,519 Phantom-powered inline preamplifier with variable impedance loading and adjustable interface
Phantom-powered inline preamplifiers capable of variable impedance loading are disclosed with unique adjustable interfaces. By enabling a user to adjust...
US-9,306,510 Frequency dependent dual solid-state and vacuum tube power amplifier-section instrument amplifier
An audio amplifier apparatus and method which has a preamp, active 2-way crossover, solid-state power amplifier, and tube power amplifier. Audio input from a...
US-9,305,570 Systems, methods, apparatus, and computer-readable media for pitch trajectory analysis
Systems, methods, and apparatus for pitch trajectory analysis are described. Such techniques may be used to remove vocals and/or vibrato from an audio mixture...
US-9,305,567 Systems and methods for audio signal processing
A method for signal level matching by an electronic device is described. The method includes capturing a plurality of audio signals from a plurality of...
US-9,305,566 Audio signal processing apparatus
A computing part computes a correlation coefficient representing a level of correlation among acoustic signals for a plurality of channels. A filtering part...
US-9,305,564 Apparatus and method for reproducing an audio signal, apparatus and method for generating a coded audio signal,...
An apparatus for reproducing an audio signal includes a first reproducer configured to reproduce a first portion of the audio signal in a first frequency band...
US-9,305,563 Method and apparatus for processing an audio signal
The present invention relates to a method for processing an audio signal, comprising: a step of performing a frequency conversion process on an audio signal to...
US-9,305,561 Effective deployment of temporal noise shaping (TNS) filters
The MPEG2 Advanced Audio Coder (AAC) standard limits the number of filters used to either one filter for a "short" block or three filters for a "long" block. In...
US-9,305,560 Methods, apparatus and articles of manufacture to perform audio watermark decoding
Example methods, apparatus and articles of manufacture to perform audio watermark decoding are disclosed. A disclosed example method includes receiving an audio...
US-9,305,559 Audio watermark encoding with reversing polarity and pairwise embedding
Audio watermark encoding methods employ reversing polarity and pairwise embedding. A watermark signal is generated, mapped to pairs of embedding locations and...
US-9,305,557 Apparatus and method for processing an audio signal using patch border alignment
Apparatus for processing an audio signal to generate a bandwidth extended signal having a high frequency part and a low frequency part using parametric data for...
US-9,305,556 Apparatus and method for encoding and decoding multi-channel audio signal
Disclosed is an apparatus for encoding and decoding a multi-channel audio signal. The apparatus for encoding the multi-channel audio signal groups channels of a...
US-9,305,550 Dialogue detector and correction
An apparatus and method for tracking dialogue and other sound signals in film, television or other systems with multiple channel sound is described. One or more...
US-9,305,537 Signal processing apparatus concealing impulse noise by autoregressive modeling
A signal processing apparatus (100) comprising a noise detector (102) configured to: receive a stream of information representative of a stream of audio signal...
US-9,305,458 Proximity-detection systems and methods
When two or more devices are near each other, they are likely to hear the same ambient sounds. To detect such proximity, each device captures a short digital...
US-9,305,442 Apparatus, systems and methods for signal localization and differentiation
Apparatus, systems, and methods for providing transmission and localized reception of audio, visual, and tactile signaling are taught for a myriad of useful...
US-9,305,317 Systems and methods for collecting and transmitting telematics data from a mobile device
A method of analyzing audio signals, such as for a drive monitoring system, includes recording an audio signal from a mobile device, the audio signal including...
US-9,304,988 System and method for performing automatic audio production using semantic data
There is described a computer implemented method for performing automatic audio production, comprising: receiving an audio signal to be processed; receiving...
US-9,304,010 Methods, apparatuses, and computer program products for providing broadband audio signals associated with...
Methods, apparatuses, and computer program products are herein provided for providing broadband audio signal navigation instructions. A method may include...
US-9,302,617 Portable sign
Included is a lightweight portable sign which can be used in one aspect to protect stalled or broken down vehicles with passengers still on board, to prevent...
US-9,302,584 Drowsy driver prevention systems and methods
A user device may be used to prevent a driver of a vehicle from driving while drowsy. The user device may create a driver profile for the driver and collect...
US-9,301,719 Apparatus and method for measuring biologic parameters
Support structures for positioning sensors on a physiologic tunnel for measuring physical, chemical and biological parameters of the body and to produce an...
US-9,301,330 Method for mobile radio communication and communication device
A method for mobile radio communication between a communication partner device and a mobile communication device includes conducting a communication, at least...
US-9,301,077 Context-based audio tuning
A system and method is provided for selecting an audio tuning profile to apply to audio signals to generate a sound field acoustically optimized at least at one...
US-9,301,074 Display unit
A display unit includes: a display section having a plurality of light-emitting devices arranged in a straight line; a driving section supplying a display...
US-9,301,072 Transducer with motion control
An audio system comprises an electro-acoustic transducer (1) with transducer connections (12, 13) to receive an audio signal (AS) in the audio frequency range...
US-9,301,071 Reducing audio distortion in an audio system
An audio system comprises an audio driver configured to receive a target audio signal and a feedback signal and to generate an adjusted audio signal responsive...
US-9,301,070 Signature matching of corrupted audio signal
Devices and methods that match audio signatures to programming content stored in a remote database are disclosed. In one aspect of an embodiment, audio that...
US-9,301,059 Bone conduction hearing aid system
A bone conduction hearing aid system with right and left ear microphone arrangements; right and left ear ambient sound signal processing units, right and left...
US-9,301,049 Noise-reducing directional microphone array
In one embodiment, a directional microphone array having (at least) two microphones generates forward and backward cardioid signals from two (e.g.,...
US-9,301,047 Loudspeaker audio accessory for a communication device
A loudspeaker audio accessory provides and non-cable interface to a portable radio. The accessory can operate in conjunction with the radio or as a standalone...
US-9,301,045 Audio I O headset plug and plug detection circuitry
A single prong, multiple signal conducting plug and plug detection circuitry is provided. The plug may be electrically coupled to a stereo headset including a...
US-9,301,042 Electro-acoustic transducer
An electro-acoustic transducer includes a needle electrode, an opposite electrode, a discharge region between the needle electrode and the opposite electrode, a...
US-9,301,034 Magnetic suspension transducer
A method for operating an acoustic transducer is provided. The acoustic transducer includes a moving element and a fixed element, wherein the moving element is...
US-9,301,032 Stethoscope chestpiece usable with a portable electronic device and related methods
An electronic stethoscope chestpiece includes a chestpiece housing having an interior space including a cavity extending from a radially enlarged open end to a...
US-9,301,031 Modular speaker system, components of a modular speaker system, and methods of using the same
A multi-speaker audio system is configured to provide flexible use of speakers in any number of different environments. The multi-speaker system may include a...
US-9,301,007 Methods and apparatus to monitor audio/visual content from various sources
Methods and apparatus to monitor audio/visual content from various sources are disclosed. Example methods disclosed herein to monitor a media presentation...
US-9,301,006 Method and system for providing additional information on broadcasting content
The present invention relates to a method and a system for providing additional information on broadcast content, and particularly, to a method and a system for...
US-9,301,002 Method for transmitting plurality of asynchronous digital signals
The present invention relates to a method for transmitting a plurality of asynchronous signals, which includes: transmitting to a plurality of audio...
US-9,300,994 Methods and systems for viewing dynamically customized audio-visual content
Systems and methods for viewing dynamically customized audio-visual content are described. In some implementations, a process may include providing at least one...
US-9,300,924 Electronic handheld audio/video receiver and listening/viewing device
A handheld device in an audio and video system including a system for receiving and processing video and/or audio signals, a system for displaying a virtual...
US-9,300,791 Controlled-environment facility resident communication detection
Systems and methods insert a modulated signal into audio of a controlled-environment facility resident's side of a call, such as by a controlled-environment...
US-9,300,705 Methods and systems for interfacing heterogeneous endpoints and web-based media sources in a video conference
Described herein are methods and systems for interfacing heterogeneous endpoints and web-based media sources in a video conference. Interfacing heterogeneous...
US-9,300,694 Audio signal quality measurement in mobile device
Technologies are generally described for a method for measuring a quality of an audio signal in a mobile device. In some examples, the mobile device includes a...
US-9,300,263 Apparatus and method pertaining to volume control
An apparatus comprises a volume-control user interface, a transmitter, an audio amplifier (having a corresponding amplification range), and a control circuit...
US-9,300,262 Audio processing application for windows
An audio enhancement technique comprises an audio source. The audio source is split into at least two branches and each of the branches is processed by a filter...
US-9,299,386 Systems and methods for providing access to resources through enhanced audio signals
Systems and methods are provided for using a hidden audio signal. In one exemplary embodiment, the method includes registering, at a central database, one or...
US-9,299,364 Audio content fingerprinting based on two-dimensional constant Q-factor transform representation and robust...
Content identification methods for consumer devices determine robust audio fingerprints that are resilient to audio distortions. One method generates signatures...
US-9,299,363 Time warp contour calculator, audio signal encoder, encoded audio signal representation, methods and computer...
A time warp contour calculator for use in an audio signal decoder receives an encoded warp ratio information, derives a sequence of warp ratio values from the...
US-9,299,362 Audio signal processing device
An audio signal processing device 100 includes a period detecting unit 102 for detecting the fundamental period of an input audio signal 101; a square wave...
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