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Searching: audio signal





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Patent # Description
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...
US-9,299,359 Method and an apparatus for voice quality enhancement (VQE) for detection of VQE in a receiving signal using a...
A voice quality enhancement (VQE) detector for a network element receiving an audio signal from a previous network element of a network, wherein said voice...
US-9,299,358 Method and apparatus for voice modification during a call
A method for voice modification during a telephone call comprising receiving a source audio signal associated with at least one participant, wherein the source...
US-9,299,355 FM stereo radio receiver by using parametric stereo
The invention relates to an apparatus (1) for improving a stereo audio signal of an FM stereo radio receiver (10). It is suggested to employ components of a...
US-9,299,354 Audio encoding device and audio encoding method
An audio encoding device includes a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor...
US-9,299,352 Method and apparatus for generating side information bitstream of multi-object audio signal
Provided is a method and apparatus for generating a side information bitstream of a multi-object audio signal. The apparatus for generating a side information...
US-9,299,346 Speech recognition platforms
A speech recognition platform configured to receive an audio signal that includes speech from a user and perform automatic speech recognition (ASR) on the audio...
US-9,299,344 Apparatus and method to classify sound to detect speech
Audio frames are classified as either speech, non-transient background noise, or transient noise events. Probabilities of speech or transient noise event, or...
US-9,299,333 System for adaptive audio signal shaping for improved playback in a noisy environment
Provided is a system for adaptively enhancing an end-user's perceived quality, or quality of experience (QoE), of speech and other audio under ambient noise...
US-9,298,819 Method and control unit for determining an identification code for an audio data packet
A method for determining an identification code for an audio data packet. The method includes receiving an audio data stream and a temporally audio metadata...
US-9,294,863 Acoustic device, augmented reality acoustic device, acoustic system, acoustic processing method, and recording...
An acoustic device includes: a memory; and a processor coupled to the memory. The processor executes a process including: first determining, based on a state of...
US-9,294,862 Method and apparatus for processing audio signals using motion of a sound source, reverberation property, or...
Methods and apparatuses for encoding and decoding an audio signal are provided, a method of encoding an audio signal including: receiving the audio signal...
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...
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