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Searching: audio signal





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Patent # Description
US-9,338,574 Method and apparatus for changing the relative positions of sound objects contained within a Higher-Order...
Higher-order Ambisonics HOA is a representation of spatial sound fields that facilitates capturing, manipulating, recording, transmission and playback of...
US-9,338,573 Matrix decoder with constant-power pairwise panning
A constant-power pairwise panning upmixing system and method for upmixing from a two-channel stereo signal to a multi-channel surround sound (having more than...
US-9,338,572 Method for practical implementation of sound field reproduction based on surface integrals in three dimensions
A method for 3D sound field reproduction from a first audio input signal using a plurality of loudspeakers distributed over a loudspeaker surface aiming at...
US-9,338,571 Method for determining a direction of at least one sound source from an array of microphones
A direction of at least one sound source from an array of microphones is determined by obtaining a plurality of solutions sets from audio signals acquired from...
US-9,338,570 Method and apparatus for an integrated headset switch with reduced crosstalk noise
An integrated audio signal processing circuit is described for reducing crosstalk noise in an integrated headset switch for a headset having two speakers, a...
US-9,338,565 Listening system adapted for real-time communication providing spatial information in an audio stream
A binaural listening system comprises first and second listening devices adapted for being located at or in left and right ears, respectively, of a user, the...
US-9,338,561 Hearing aid with improved localization
A method of determining parameters of a BTE hearing aid having at least one ITE microphone and at least one BTE microphone, the method includes: determining...
US-9,338,554 Sound system for establishing a sound zone
In the described technique, electrical audio signals are processed by inverse filtering according to three filter matrices, each handling a frequency range or...
US-9,338,553 Spectral shaping for audio mixing
Techniques are described herein that are capable of spectrally shaping audio signal(s) for audio mixing. Spectrally shaping an audio signal means modifying a...
US-9,338,547 Method for denoising an acoustic signal for a multi-microphone audio device operating in a noisy environment
This method comprises steps of: a) partitioning (10, 16) the spectrum of the noisy signal into a HF part and a LF part; b) operating denoising processes in a...
US-9,338,544 Determination, display, and adjustment of best sound source placement region relative to microphone
A video conference endpoint determines a position of a best audio pick-up region for placement of a sound source relative to a microphone having a receive...
US-9,338,541 Method and system for in-game visualization based on audio analysis
A game headset receives a plurality of channels of game and/or chat audio during game play, monitors the plurality of channels, and detect one or more sounds on...
US-9,338,536 Modular headrest-based audio system
An automobile audio system includes a signal processor configured to receive and process audio signals from a source and provide processed audio signals to an...
US-9,338,480 Systems and methods to compensate for the effects of transmission delay
According to some embodiments, systems, methods, apparatus and means are provided to determine an amount of a delay when transmitting a signal from a remote...
US-9,338,387 Integrated audio video signal processing system using centralized processing of signals
Integrated processing of audio/video signals can eliminate unnecessary signal processors and converters without losing the functionality of typical home...
US-9,338,301 Digital linking of multiple microphone systems
Systems and methods for digitally linking multiple microphones and managing microphone signals are provided. Embodiments provide for digitally linking of...
US-9,338,213 System and method for a conference server architecture for low delay and distributed conferencing applications
Systems and methods for conducting a multi-endpoint video signal conference are provided. Conferencing endpoints are linked by pairs of a reliable and a less...
US-9,337,949 Control system for an aerially moved payload
A system for transmitting data, images, and audio to and from an aerially moved payload, the system having one or more media converters for converting coax...
US-9,337,898 Digital intercom network over DC-powered microphone cable
A digital intercom system provides DC power and multi-channel bidirectional digital communications over existing cabling such as microphone cabling used in...
US-9,337,883 Protection case for mobile communication device
A protection case for a mobile communication device includes a main body for receiving the mobile communication device, a main circuit board with an amplifier...
US-9,337,795 Systems and methods for gain calibration of an audio signal path
A signal path may operate in one of a plurality of gain modes such that for each gain mode, the product of a digital gain and an analog signal gain of the...
US-9,337,790 System and method for enhancing comprehensibility through spatialization
A system and method for enhancing comprehensibility through spatialization may receive two or more audio signals each associated with one of two or more audio...
US-9,337,780 Amplifier with sample and hold output and low drive stage
An amplifier (50) for voice or audio signals, and particularly for headset applications, uses a low g.sub.m amplifier (54) for initially charging an output node...
US-9,336,823 Playing audio in trick-modes
A method of playing a digital audio signal at a speed different from that at which it was recorded. The method comprises: playing a first segment of the signal;...
US-9,336,796 Method and apparatus for detecting speech/non-speech section
Provided is an apparatus for detecting a speech/non-speech section. The apparatus includes an acquisition unit which obtains inter-channel relation information...
US-9,336,793 Controller for audio device and associated operation method
A controller for an audio device is provided. The controller receives a first collected sound signal and a second collected sound signal respectively provided...
US-9,336,792 Systems and methods for voice enhancement in audio conference
System and methods are provided for voice enhancement in audio conferencing among a plurality of participants. An example system includes a signal processor, a...
US-9,336,791 Rearrangement and rate allocation for compressing multichannel audio
Provided are methods and systems for rearranging a multichannel audio signal into sub-signals and allocating bit rates among them, such that compressing the...
US-9,336,786 Signal processing device, signal processing method, and storage medium
There is provided a signal processing device including a voice pickup unit that picks up a user's voice and generates an audio signal, a signal processing unit...
US-9,336,785 Compression for speech intelligibility enhancement
A speech intelligibility enhancement (SIE) system and method is described that improves the intelligibility of a speech signal to be played back by an audio...
US-9,336,767 Detecting device proximities
An audio device may be configured to produce output audio and to capture input audio for speech recognition. In some cases, a second device may also be used to...
US-9,336,765 Pickup device
A pickup device includes: a speed detector which is configured to detect speed of vibration of a soundboard of an acoustic musical instrument; and a signal...
US-9,336,763 Computing device and method for processing music
A computing device converts each input signal corresponding to a key of a music keyboard into a tone of the musical instrument associated with the key. The...
US-9,336,557 Apparatus and methods for processing of media signals
Methods and apparatus for processing media signals. In one embodiment, a data processing device processes fixed and variable rate data using a first and second...
US-9,335,764 Virtual and augmented reality cockpit and operational control systems
Architecture for a multimodal, multiplatform switching, unmanned vehicle (UV) swarm system which can execute missions in diverse environments. The architecture...
US-9,335,703 Audio detection of medium jam
A method of indicating a medium jam along a medium transport path; a plurality of microphones for detecting the sound of the medium being transported as it...
US-9,334,067 Real-time aircraft maintenance terminal
There is described a portable data transmission unit comprising a communications link for electrical connection to an aircraft engine to be maintained; an...
US-9,332,522 Audiolocation system combining use of audio fingerprinting and audio watermarking
An audio-based navigation system for determining a present location or position of a mobile device such as a smartphone within a venue. The system includes a...
US-9,332,373 Audio depth dynamic range enhancement
An audio depth dynamic range enhancement system and method for enhancing the dynamic range of depth in audio sound systems as perceived by a human listener....
US-9,332,372 Virtual spatial sound scape
An apparatus, method and computer program product relating to spatialized audio. There is a set of headphones having an accelerometer and a tilt sensor for...
US-9,332,370 Method and apparatus for using spatial audio rendering for a parallel playback of call audio and multimedia content
Dynamic audio rendering can be achieved by modifying the amplitude, phase, and frequency of audio signal components by varying degrees based on characteristics...
US-9,332,366 Loudspeaker noise inspection method, loudspeaker noise inspection device and recording medium for recording a...
A loudspeaker noise inspection method is to be implemented by an electronic device and includes the steps of: obtaining a frequency sweeping audio signal from...
US-9,332,364 Method and device for personalized hearing
An electronic audio device for use with at least one earpiece or a pair of earpieces, or a pair of earpieces in a headphone, each earpiece having a microphone...
US-9,332,349 Sound image localization apparatus
The present disclosure relates to a sound image localization apparatus that includes head related transfer function (HRTF) filters that receive a monaural audio...
US-9,332,346 Processing of multi-device audio capture
It is inter alia disclosed to select, by a first apparatus (21), one or more recording devices (20) to obtain a set of selected recording devices, or to...
US-9,332,345 Use of microphone capacitance as a switched capacitor in an input network of a delta-sigma modulator
In accordance with embodiments of the present disclosure, a method and apparatus for providing a digitized microphone signal to a digital processing device may...
US-9,332,343 Multi-channel audio system having a shared current sense element for estimating individual speaker impedances...
A programmed data processor obtains a number of input voltage measurements for a number of speaker drivers, respectively, and a sensed shared current being a...
US-9,332,342 Microphone amplifier circuit
The invention provides a microphone amplifier circuit which enhances the SNR (signal noise ratio) and expands the dynamic range by reducing the noise level. A...
US-9,332,341 Audio signal processing system and recording method
A processing apparatus communicatively connected with a mixer apparatus and having an audio recording function is capable of recording in real time audio...
US-9,332,336 Headphone device
[Problem] To provide a headphone device that outputs an audio signal output from a playback device, such that the headphone device has a more compact housing...
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