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Searching: audio signal





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Patent # Description
US-9,106,312 Vehicular microphone system and method for post processing optimization of a microphone signal
A vehicular microphone system (200) for post processing optimization of a microphone signal includes a first transducer (201) and second transducer (203)...
US-9,106,299 Audio signal processing circuit
An audio-signal-processing circuit includes: a noise-detecting unit to detect presence or absence of noise in an audio signal generated based on an output from...
US-9,106,197 Systems and methods to suppress noise and idle tones
Systems and methods that reduce or remove idle tones and noise from an audio signal are provided. According to various embodiments, a level of the received...
US-9,106,194 Regulation of audio volume and/or rate responsive to user applied pressure and related methods
An electronic device includes a force sensor that is configured to generate a force signal that indicates an amount of force being exerted thereon by a user,...
US-9,106,192 System and method for device playback calibration
Systems and methods are provided for device playback calibration. In one example, a calibration device with a microphone and signal processor may detect audio...
US-9,105,270 Method and apparatus for audio signal enhancement in reverberant environment
The present disclosure proposes a method and an apparatus to enhance reverberated speech by applying reverberation detection in conjunction with reverberation...
US-9,105,264 Coding apparatus and decoding apparatus
A coding apparatus which suppresses an extreme increase in a bit rate, includes: a downmixing and coding unit (301) that downmixes audio signals that have been...
US-9,105,263 Audio signal coding and decoding method and device
Embodiments of the present invention provide an audio signal coding and decoding method and device. The coding method includes: dividing a frequency band of an...
US-9,105,196 Method and system for autonomous teaching of braille
The present invention is a method and system for autonomous learning of Braille by an unsighted user. The system allows the unsighted user to pass a card over...
US-9,100,768 Method and device for decoding an audio soundfield representation for audio playback
Soundfield signals as such e.g. Ambisonics carry a representation of a desired sound field. The Ambisonics format is based on spherical harmonic decomposition...
US-9,100,767 Converter and method for converting an audio signal
A converter and conversion method are disclosed for converting N channel audio input channels into M channel audio output channels, wherein a processor is used...
US-9,100,766 Multichannel audio system having audio channel compensation
A multichannel compensating audio system includes first and second compensation channels to psychoacoustically minimize deviations in a target response, to...
US-9,100,765 Audio enhancement module for portable media player
An audio or video enhancement module incorporates advanced audio enhancement effects. These advanced effects cover a wide range including but not limited to 3D...
US-9,100,764 Systems for providing power to a hearing assistance device
Disclosed herein, among other things, is an apparatus for connection to a hearing assistance device having a DAI compatible interface compatible with direct...
US-9,100,763 Determining stimulation signal strength in an auditory prosthesis
A method for determining the level of stimulation signals generated by an auditory prosthesis as a result of processing an electrical audio signal ...
US-9,100,762 Hearing aid with improved localization
A hearing aid includes: a BTE hearing aid housing configured to be worn behind a pinna of a user and accommodating at least one BTE sound input transducer...
US-9,100,760 Audio channel fault detection system
An audio system includes a diagnostic capability to check for faults to a power source and faults to ground for output audio channels configured to drive...
US-9,100,757 Headset impedance detection
Whether an audio output amplifier of an electronic device is connected through an accessory connector to a headphone or a self powered audio device is...
US-9,100,756 Microphone occlusion detector
Digital signal processing microphone occlusion detection is described that can be used with a noise suppression system that uses two types of noise estimators,...
US-9,100,749 System and method for directionally radiating sound
A method of operating an audio system that provides audio radiation to a plurality of listening positions includes providing at least one source of audio...
US-9,100,748 System and method for directionally radiating sound
A method of operating an audio system that provides audio radiation to a plurality of listening positions includes providing at least one source of audio...
US-9,100,743 Method and system for power delivery to a headset
A power delivery method and system for powering a headset. A power signal is combined with an audio signal to form a composite signal that is communicated over...
US-9,100,736 Control of an adaptive feedback cancellation system based on probe signal injection
Method and audio processing system determine a system parameter sp in a gain loop of an audio processing system. An alternative scheme is provided for feedback...
US-9,100,732 Hertzian dipole headphone speaker
This disclosure related to an audio unit of a head-mounted apparatus. The head mounted device includes a support structure with at least one side section with...
US-9,100,731 Low power microphone circuits for vehicles
A low power microphone circuit for a vehicle is provided that includes: at least one microphone transducer; a digital signal processor for receiving output...
US-9,100,633 Electronic device generating stereo sound synchronized with stereographic moving picture
An electronic device including a receiver configured to receive a stereoscopic moving image including a plurality of frames; a controller configured to obtain a...
US-9,100,466 Method for processing an audio signal and audio receiving circuit
A method for processing an audio signal is described comprising receiving a first audio signal via a first receiving path comprising a first microphone;...
US-9,100,217 Apparatus, systems and methods for packet based transmission of multiple data signals
Apparatus, systems and methods for receiving one or more input signals and providing output signals in various video, audio, data and mixed formats are...
US-9,100,039 System, medium, and method of encoding/decoding multi-channel audio signals
An system, method, and method of encoding/decoding a multi-channel audio signal, including a decoding level generation unit producing decoding-level information...
US-9,099,978 Embedded speaker protection for automotive audio power amplifier
A method of operating a speaker system including a speaker coupled to an amplifier, and a dedicated digital speaker protection circuit includes turning on the...
US-9,099,974 Volume redirection
Exemplary systems and methods enable a user of a mobile device that is communicatively coupled to a remote device to adjust the audio output volume level of an...
US-9,099,972 Method and apparatus for multi-stage adaptive volume control
A method and apparatus for adaptively controlling the audio output (122) of a communication device (114) according to the noise characteristics of the receiver...
US-9,099,967 Increasing ground noise rejection in audio systems
An audio source device has an audio connector to which an external load can be connected. An audio signal is amplified and then driven through the connector,...
US-9,099,963 Selector and amplifier device therefor
An amplifier device includes a plurality of input terminals for receiving input signals (e.g. audio signals), a main switch, which switches over the input...
US-9,099,099 Very short pitch detection and coding
System and method embodiments are provided for very short pitch detection and coding for speech or audio signals. The system and method include detecting...
US-9,099,078 Upmixer, method and computer program for upmixing a downmix audio signal
An upmixer for upmixing a downmix audio signal into an upmixed audio signal describing one or more upmixed audio channels includes a parameter applier...
US-9,099,069 Signal processing device
A signal processing device is designed to automatically calculate a transfer characteristic representing sound-box resonance of a guitar due to acoustic...
US-9,099,067 Apparatus and method for generating effects based on audio signal analysis
Inventive methods and apparatuses for causing one or more effects to be generated based on analysis of an audio signal are disclosed. The apparatuses may be...
US-9,099,064 Method for extracting representative segments from music
A method for extracting the most representative segments of a musical composition, represented by an audio signal, according to which the audio signal is...
US-9,098,865 Ultrasonic near-field communication
Systems and methods for near-field communications with a mobile device are disclosed. In one embodiment, a computer-implemented method for near-field...
US-9,098,639 Media processing apparatus and controlling method thereof
A media processing apparatus is provided. The media processing apparatus includes an interface unit which is connected to each of a plurality of terminal...
US-9,098,576 Ensemble interest point detection for audio matching
Systems and methods for audio matching are disclosed herein. In one embodiment, a system includes both interest point mixing and fingerprint mixing by using...
US-9,098,235 Voice communication arrangement for minimizing communication delay caused by audio signal processing in OS
A voice communication arrangement having a voice communication program installed in a computer loaded with a versatile OS thereon includes a voice data...
US-9,097,795 Proximity detecting apparatus and method based on audio signals
Apparatus comprising at least one processor and at least one memory including computer code, the at least one memory and the computer code configured to with...
US-9,094,768 Loudspeaker calibration using multiple wireless microphones
An illustrative embodiment includes a method for use in performing acoustic calibration of at least one audio output device for a plurality of listening...
US-9,094,762 Gaming headset vibrator
A vibrating headset capable of generating a vibration of variable operational characteristics in the earpiece of the vibrating headset is disclosed. The...
US-9,094,761 Digital technique for FM modulation of infrared headphone interface signals
A method of modulating an infrared headphone interface signal includes providing a first audio signal having an analog audio value. A memory is provided having...
US-9,094,758 Audio transmission line and headset
An audio transmission line having an audio transmission plug and an inline controller and a headset is disclosed In the inline controller, one signal input end...
US-9,094,755 Audio monitoring system and selection of stored transmission data
An audio monitoring system for an audio performance consists of one or more terminal units and one or more base units. The base units are configured to send...
US-9,094,754 Reduction of spurious uncorrelation in FM radio noise
The document relates to audio signal processing, in particular to a system and a corresponding method for improving an audio signal of an FM stereo radio...
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