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Searching: audio signal





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Patent # Description
US-9,661,436 Audio signal playback device, method, and recording medium
An audio signal playback device includes a conversion unit that performs discrete Fourier transform on each of 2 channel audio signals obtained from a...
US-9,661,429 System and method for modular on-demand audio processing, amplification and distribution
A system and method for processing, amplification and distribution of audio signals. In an embodiment, the method includes receiving at least one digital audio...
US-9,660,954 VOIP routing based on RTP server-to-server routing
A system and method of providing VoIP services by using multiple Real-time Transport Protocol servers (RTP) servers for transmitting VoIP data between user...
US-9,660,855 Orthogonal signal demodulation
A modulation transmission technique comprises placing orthogonal subcarriers across an arbitrary-wide band of frequencies without a fixed pre-defined center...
US-9,656,604 Audio signal for a synthetic noise of a motor vehicle as well as method for generating said audio signal
A method for generating an audio signal for a synthetic noise of a motor vehicle is provided. An audio signal for the synthetic noise of a motor vehicle is also...
US-9,655,399 Earplug connector for multi-signal and multi-power receiving helmets
An earplug connector for simultaneously providing an audio signal from a vehicle or an extra-vehicular source to a pilot while providing power to a noise...
US-9,654,905 Enabling near field communications using indicators
Embodiments of the present invention provide time-efficient and effective systems and methods for enabling near field communications (NFC) on electronic devices...
US-9,654,892 Condenser microphone
A condenser microphone utilizes a PLL circuit which includes a phase shift oscillator having an RC network that uses an electrostatic capacitance of the...
US-9,654,869 System and method for autonomous multi-track audio processing
A method, apparatus, and computer readable medium for mixing a plurality of audio signals within an audio mixing system are disclosed. The method comprises...
US-9,654,865 Earphone
Disclosed is an earphone comprising a loudspeaker unit, an audio signal wire electrically connected to the loudspeaker unit, and an auxiliary structure; the...
US-9,654,644 Placement of sound signals in a 2D or 3D audio conference
A conference controller (111, 175) configured to place an upstream audio signal (123, 173) associated with a conference participant and a sound signal within a...
US-9,654,609 Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and...
An accessory device having multiple speakers and/or microphones to perform a number of audio functions, for use with mobile devices, are provided. The audio...
US-9,654,229 Parametric transducer microphone system
An ultrasonic emitter can launch an unmodulated ultrasonic carrier signal towards an audio source. The ultrasonic carrier signal, upon being reflected from the...
US-9,653,092 Method for controlling acoustic echo cancellation and audio processing apparatus
A method for controlling acoustic echo cancellation and an audio processing apparatus are described. In one embodiment, the audio processing apparatus includes...
US-9,649,042 Heart monitoring system usable with a smartphone or computer
A personal monitoring device has a sensor assembly configured to sense physiological signals upon contact with a user's skin. The sensor assembly produces...
US-9,648,449 Electronic device and electronic system for radio connecting a plurality of electronic devices
A routing electronic device comprises a receiver/transmitter configured to: receive a first short-range radio signal carrying data indicating an incoming voice...
US-9,648,440 Virtual height filter for reflected sound rendering using upward firing drivers
Embodiments are directed to speakers and circuits that reflect sound off a ceiling to a listening location at a distance from a speaker. The reflected sound...
US-9,648,437 Systems and methods for monitoring cinema loudspeakers and compensating for quality problems
Systems and processes for compensating for changes in a theatre sound system positioned in a theatre are described. A subsequent response of a loudspeaker to a...
US-9,648,432 Method of controlling sound reproduction of enclosure mounted loudspeakers
A method of controlling sound reproduction may include applying an audio signal to a voice coil of the electrodynamic loudspeaker to produce sound, detecting...
US-9,648,428 Wireless communication method and apparatus of hearing device
A wireless communication method of a hearing aid includes extracting an audio signal through a first hearing aid, determining a beam forming vector as a beam...
US-9,648,416 Interactive vehicle synthesizer
A method of operating an audio entertainment system in a vehicle includes detecting an operating parameter of the vehicle. A sensor signal corresponding to the...
US-9,648,414 Systems and methods for controlling an audio signal path using redundant uninterruptable clock
Responsive to the absence of a reference clock input signal to a clock conditioning circuit for generating a desired clock signal for synchronizing components...
US-9,648,411 Sound processing apparatus and sound processing method
An audio matrix formed from absolute amplitude values of coefficients obtained by frequency-transforming an audio signal is generated. The audio matrix is...
US-9,648,405 Speaker and mobile communication terminal device using same
A speaker is disclosed. The speaker including a first cover, a second cover forming a receiving space, a first steel strap assembled with the first cover, a...
US-9,648,288 Information processing system and method, information processing apparatus, image-capturing device and method,...
A feature extracting unit obtains sensor data from a plurality of sensors to calculate each feature. When an event determining unit determines the occurrence of...
US-9,648,160 Communication system having user selectable features
A communication system comprising a server capable of establishing telephone communications between at least two users of a communication network and transcribe...
US-9,647,785 Communication apparatus, signal processing method, and recording medium storing a signal processing program
In a communication system incorporating a communication apparatus that transfers/receives a TS packet using MPEG-2-TS to synchronize a video signal with an...
US-9,647,624 Adaptive loudness levelling method for digital audio signals in frequency domain
Embodiments of the present disclosure are directed to techniques for adjusting the amplitude of a digital audio signal in the frequency domain to control the...
US-9,647,620 Electronic device and integrated circuit comprising a gain control module and method therefor
A method for controlling a gain applied to an audio signal. The method comprises applying a gain step to a gain setting at defined time intervals, and upon...
US-9,647,617 Method for delivering a duty cycle limited signal to a speaker using a class D amplifier
A multi-channel Class D audio amplifier is provided to substantially reduce channel-to-channel crosstalk by employing in each channel a local triangle ramp...
US-9,647,462 Hearing instrument comprising a rechargeable power source
A hearing instrument having an audio signal source for providing for audio signals; an audio signal processing unit for processing said audio signals; a unit to...
US-9,647,332 Electronic device antenna with interference mitigation circuitry
An electronic device may be provided with an antenna. The antenna may have an antenna resonating element and an antenna ground. The antenna resonating element...
US-9,646,634 Low-rank hidden input layer for speech recognition neural network
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for training a deep neural network. One of the methods for...
US-9,646,633 Method and device for processing audio signals
Method and device of processing audio signals are disclosed. The method includes: obtaining a set of data, the set of data comprising LSP parameters for an...
US-9,646,632 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal,...
An audio encoder has a window function controller, a windower, a time warper with a final quality check functionality, a time/frequency converter, a TNS stage...
US-9,646,631 Audio signal processing apparatus and method thereof
An audio signal in which a first audio component and a second audio component are mixed is inputted. The audio signal is transformed into a time-frequency...
US-9,646,628 Noise cancellation for open microphone mode
A system has multiple audio-enabled devices that communicate with one another over an open microphone mode of communication. When a user says a trigger word,...
US-9,646,626 System and method for network bandwidth management for adjusting audio quality
Disclosed herein are systems, methods, and computer-readable storage devices for processing audio signals. An example system configured to practice the method...
US-9,646,624 Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded...
An audio encoder has a low frequency encoder which encodes a low frequency portion of the input audio information to obtain an encoded representation of the low...
US-9,646,622 System and method for non-destructively normalizing loudness of audio signals within portable devices
Many portable playback devices cannot decode and playback encoded audio content having wide bandwidth and wide dynamic range with consistent loudness and...
US-9,646,620 Method and device for processing audio signal
The present invention relates to a method and device for encoding or decoding an object audio signal or rendering the object audio signal in a three-dimensional...
US-9,646,619 Coding of multichannel audio content
There are provided decoding and encoding methods for encoding and decoding of multichannel audio content for playback on a speaker configuration with N...
US-9,646,617 Method and device of extracting sound source acoustic image body in 3D space
The invention provides a method and device of extracting a sound source acoustic image body in 3D space. The method includes: determining a spatial position of...
US-9,646,616 System and method for audio coding and decoding
In accordance with an embodiment, a method of generating an encoded audio signal, the method includes estimating a time-frequency energy of an input audio...
US-9,646,615 Audio signal encoding employing interchannel and temporal redundancy reduction
A method of encoding a time-domain audio signal is presented. A device transforms the time-domain signal into a frequency-domain signal including a sequence of...
US-9,646,610 Method and apparatus for activating a particular wireless communication device to accept speech and/or voice...
An apparatus, method, and computer program for initiating a word spotting algorithm (220) on one or more wireless communication devices in a first power mode to...
US-9,646,607 Managing wake-on-voice buffer quality based on system boot profiling
Systems and methods for managing wake-on-voice buffer quality based on system boot profiling. In an illustrative, non-limiting embodiment, an Information...
US-9,646,598 Audio device
An audio device connected to an electronic device is provided. The audio device connected to an electronic device includes an audio side connector comprising a...
US-9,646,595 Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices
A personal audio device, such as a wireless telephone, includes an adaptive noise canceling (ANC) circuit that adaptively generates an anti-noise signal from a...
US-9,646,592 Audio signal analysis
An apparatus comprises a dereverberation module for generating a dereverberated audio signal based on an original audio signal containing reverberation, and an...
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