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Searching: audio signal





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Patent # Description
US-1,011,8548 Autonomous vehicle signaling of third-party detection
Techniques for a fully- or semi-autonomously operated vehicle (AV) to signal to or notify a third-party located within the vehicle's environment that the...
US-1,011,7802 Blind dog navigation system
The present invention relates to a device and a method associated with helping blind dogs navigate. With respect to the device, it is a set of one or more...
US-1,011,7605 System, method and apparatus for patient communications in remote hearing diagnostics
Method, system and apparatus for patient communications in remote hearing diagnostics is disclosed. The invention may include electrical circuitry for...
US-1,011,7286 System for distributing data using multiple communication channels
Described are techniques for distributing audio data to multiple devices for a synchronized output in a manner that reduces congestion and interference with a...
US-1,011,7040 Audio system and method of extracting indoor reflection characteristics
An audio system and method of extracting indoor reflection characteristics, the method including generating a detection signal based on an input signal and a...
US-1,011,7039 Audio apparatus and method of converting audio signal thereof
An audio apparatus and a method of converting an audio signal are provided. The method includes: receiving a first audio signal including a plurality of...
US-1,011,7035 Active output driver supply compensation for noise reduction
An electronic system, in some embodiments, comprises: a power source; a load coupled to the power source; an analog-to-digital converter, coupled to the power...
US-1,011,7023 Audio enhancement
A signal processing module is configured to receive left and right channels of stereo input audio data and generate first and second channels of output audio...
US-1,011,7021 Audio feedback reduction utilizing adaptive filters and nonlinear processing
Systems and methods for holistically modelling audio feedback and removing the entire feedback signal corresponding thereto. The systems can operate at a much...
US-1,011,7019 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-1,011,7010 Wirelessly capable sports mouthguard for communication
A mouthguard configured to receive wireless audio signals and transmit these audio signals to a user via bone conduction may include one or more wireless...
US-1,011,6896 Display apparatus and control method thereof
A display apparatus includes a first signal transmission device provided with a first video cable configured to selectively transmit a first image signal...
US-1,011,6838 Method and apparatus for providing signatures of audio/video signals and for making use thereof
A method and apparatus are disclosed for providing a video signature representative of a content of a video signal. A method and apparatus are further disclosed...
US-1,011,6793 Method and system for learning call analysis
A system and method are presented for learning call analysis. Audio fingerprinting may be employed to identify audio recordings that answer communications. In...
US-1,011,5410 Digital encapsulation of audio signals
Encoding and decoding systems are described for the provision of high quality digital representations of audio signals with particular attention to the correct...
US-1,011,5409 Adaptive processing of sound data
A method and electronic device for adaptive processing of sound data is provided. An electronic device includes a speaker, a communication module configured to...
US-1,011,5406 Apparatus and method for audio signal envelope encoding, processing, and decoding by splitting the audio signal...
An apparatus for decoding to obtain a reconstructed audio signal envelope includes a signal envelope reconstructor for generating the reconstructed audio signal...
US-1,011,5404 Redundancy in watermarking audio signals that have speech-like properties
A method for a machine or group of machines to watermark speech audio transmissions includes receiving a speech audio signal, receiving a watermark signal...
US-1,011,5403 Encoding of multiple audio signals
A device includes a processor, a memory, and a combiner. The processor is configured to receive a first combined frame and a second combined frame corresponding...
US-1,011,5402 Audio encoding device, method and program, and audio decoding device, method and program
An audio packet error concealment system includes an encoding unit for encoding an audio signal consisting of a plurality of frames, and an auxiliary...
US-1,011,5401 Coding of spectral coefficients of a spectrum of an audio signal
A coding efficiency of coding spectral coefficients of a spectrum of an audio signal is increased by en/decoding a currently to be en/decoded spectral...
US-1,011,5399 Audio classifier that includes analog signal voice activity detection and digital signal voice activity detection
The disclosure relates to an audio classifier comprising: a first processor having hard-wired logic configured to receive an audio signal and detect audio...
US-1,011,5397 Low power detection of a voice control activation phrase
Methods of low power detection of an activation phrase are described. A microphone system comprises dedicated hardware logic for detecting a pre-defined...
US-1,011,5392 Method for adjusting a voice recognition system comprising a speaker and a microphone, and voice recognition system
A method for adjusting a voice recognition system and a voice recognition system is disclosed, wherein the voice recognition system comprises a speaker and a...
US-1,011,4891 Method and system of audio retrieval and source separation
A method and a system of audio retrieval and source separation are described. The method comprises the steps of: receiving a textual query; retrieving a...
US-1,011,4530 Signal detecting and emitting device
An example playback device includes a signal detector, a signal emitter, and a communication interface. Audio content corresponding to video content being...
US-1,011,4415 Apparatus and method for processing audio signals
Apparatus comprises one or more first microphones for providing audio signals from captured acoustic signals; one or more conductive terminals for connection to...
US-1,011,1022 Processing object-based audio signals
An audio processing system and method which calculates, based on spatial metadata of the audio object, a panning coefficient for each of the audio objects in...
US-1,011,1019 Sound processor module
A behind-the-ear sound processor module includes a BTE-housing; an adjustable microphone module attached to the BTE-housing for capturing input audio signals...
US-1,011,1014 Multi-source audio amplification and ear protection devices
Apparatus and methods for multi-source audio amplification and ear protection devices are provided herein. In certain configurations, an audio amplification and...
US-1,011,1009 Frameless audio transducer for mobile applications including optionally supported coil wire and leads
A frameless audio transducer for mobile applications is provided. The invention relates to an audio transducer realized as speaker to transduce an electrical...
US-1,011,1005 Method and device for modifying audio signals based on hearing capabilities of the listener
A method and a device are provided for modifying audio signals in accordance with hearing capabilities of a specific individual who is listening to audio...
US-1,011,1000 In-vehicle passenger phone stand
A phone stand includes a phone holder for coupling to a phone, where the phone is for conducting a voice session. The phone stand further includes a plurality...
US-1,011,0998 Systems and methods for adaptive tuning based on adjustable enclosure volumes
In accordance with embodiments of the present disclosure, a system may include an audio input for receiving an audio input signal for reproduction at a speaker,...
US-1,011,0997 System and method for feedback control for in-car communications
A system and method (referred to as the system) that mitigates feedback in an audio system that adjust voice signals in a vehicle. The system generates transfer...
US-1,011,0996 DC detection circuit and operational method of the same, semiconductor apparatus, and audio signal output apparatus
The DC detection circuit includes: a OR circuit configured to generate a logical OR flag on the basis of logical OR of values of X bits from a (MSB-1).sup.th...
US-1,011,0994 Method and apparatus for providing voice communication with spatial audio
A method, apparatus and computer program product enhance audio quality during a voice communication session, such as by enhancing audio quality for a remote...
US-1,011,0991 Electronic device having mechanically out-of-phase speakers
An electronic device having several speaker modules that are acoustically in-phase and mechanically out-of-phase is disclosed. Embodiments include a pair of...
US-1,011,0987 Method of controlling an acoustic noise reduction audio system by user taps
Described are a headphone and a method for controlling an audio system. The method includes tapping a headphone or head of a user to cause an acoustic pressure...
US-1,011,0984 Wireless earphone
The wireless earphone (1) comprises a housing (2) having a bud portion abutting an elongated stem portion. The bud portion is to fit within an ear. The bud...
US-1,011,0941 Method and device for transmitting and receiving broadcast service in hybrid broadcast system on basis of...
The present invention relates to a device for receiving a hybrid broadcast service and a method for transmitting the same. The device for receiving a hybrid...
US-1,011,0889 Display device ON/OFF detection methods and apparatus
Display device ON/OFF detection methods and apparatus are disclosed. Example metering apparatus disclosed herein include first means for sensing an audio signal...
US-1,011,0645 System and method for tracking events and providing feedback in a virtual conference
A virtual conferencing system is described which tracks events during a virtual conference, provides a user interface for reviewing the events, and allows a...
US-1,011,0182 Estimating voltage on speaker terminals driven by a class-D amplifier
A system includes an audio amplifier, a duty cycle detector, a channel equalizer, and a sample-and-hold circuit. The audio amplifier is configured to amplify an...
US-1,011,0179 Audio circuit
An audio amplifier includes an operational amplifier, a replica of an output stage of the operational amplifier, and a feedback circuit configured such that, in...
US-1,010,9300 System and method for enhancing speech activity detection using facial feature detection
Disclosed herein are systems, methods, and non-transitory computer-readable storage media for processing audio. A system configured to practice the method...
US-1,010,9296 Subband block based harmonic transposition
The present document relates to audio source coding systems which make use of a harmonic transposition method for high frequency reconstruction (HFR), as well...
US-1,010,9292 Audio systems with active feedback acoustic echo cancellation
An audio system includes an external microphone to receive a near-end audio content and a loudspeaker transducer and a corresponding enclosure defining an...
US-1,010,9290 Multi-band noise reduction system and methodology for digital audio signals
The present invention relates to a multi-band noise reduction system for digital audio signals producing a noise reduced digital audio output signal from a...
US-1,010,9286 Speech synthesizer, audio watermarking information detection apparatus, speech synthesizing method, audio...
According to an embodiment, a speech synthesizer includes a source generator, a phase modulator, and a vocal tract filter unit. The source generator generates a...
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