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Searching: audio signal





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Patent # Description
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...
US-1,010,9285 Coding device and method, decoding device and method, and program
The present technology relates to a coding device and method, and a decoding device and method, and a program capable of reducing the amount of calculations for...
US-1,010,9284 Inter-channel encoding and decoding of multiple high-band audio signals
A device includes an encoder and a transmitter. The encoder is configured to generate a first high-band portion of a first signal based on a left signal and a...
US-1,010,9283 Bit allocating, audio encoding and decoding
A bit allocating method is provided that includes determining the allocated number of bits in decimal point units based on each frequency band so that a...
US-1,010,9282 Apparatus and method for geometry-based spatial audio coding
An apparatus for generating at least one audio output signal based on an audio data stream having audio data relating to one or more sound sources is provided....
US-1,010,8871 Systems and methods for spoof detection and liveness analysis
Spoof-detection and liveness analysis is performed using a software-based solution on a user device, such as a smartphone having a camera, audio output...
US-1,010,8395 Audio device with auditory system display and methods for use therewith
Various embodiments include, for example, an audio device that operates by selecting one of a plurality of audio files in response to user interaction with a...
US-1,010,8393 Leaving group and smart line-in processing
An example playback device includes a first interface for receiving a first audio signal from a first audio source; a second interface for receiving a second...
US-1,010,7893 Apparatus and method to automatically set a master-slave monitoring system
An apparatus is described that can monitor the sounds and voices of infants and children in a house by judicially placing nodes in key locations of the home....
US-1,010,7676 Adaptive acoustic intensity analyzer
Systems and method for providing an audio output with an acoustic intensity analyzer. The acoustic intensity analyzer includes an acoustic intensity array, a...
US-1,010,5616 IR dongle with speaker for electronic device
The present invention relates to an electronic device, and in particular, to the input and output of data from the electronic device. An object is connected to...
US-1,010,5608 Applying participant metrics in game environments
A system that collects, analyzes, and applies physical metrics from participants in game environments. Participants (players and/or spectators) in a game may...
US-1,010,5545 Assembly with a coaxial audio connector for charging an implantable medical device
Disclosed is a charging coil assembly for a mobile device able to wirelessly provide power to charge a battery in an Implantable Medical Device (IMD). The...
US-1,010,4491 Audio based characterization of a human auditory system for personalized audio reproduction
A first sound is output by a first transducer in an earcup located at a pinna. Respective second sound based on the output of the first audio sound is detecting...
US-1,010,4483 Circuit and method for detecting the load status of an audio amplifier
A diagnostic circuit is used for detecting the load status of an audio amplifier. The audio amplifier includes two output terminals for connection to a speaker....
US-1,010,4473 Audio processor with linear and non-linear modeling including limiter
Embodiments of the invention provide methods and apparatus for processing audio input signals, for example, so as to linearize the output of a given...
US-1,010,4471 Tactile bass response
Example aspects of the present disclosure are directed to providing tactile bass response by a user device. For instance, a first audio signal can be caused to...
US-1,010,4470 Audio processing device, audio processing method, recording medium, and program
An audio processing device includes a plurality of loudspeakers outputting audio for each band, a correction filter correcting an audio signal including a...
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