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Searching: audio signal





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Patent # Description
US-9,344,051 Apparatus, method and storage medium for performing adaptive audio equalization
An apparatus, method and computer program where the apparatus includes a filter configured to filter an electrical input signal and provide a filtered...
US-9,343,079 Receiver intelligibility enhancement system
Embodiments of the invention provide a communication device and methods for enhancing audio signals. A first audio signal buffer and a second audio signal...
US-9,343,077 Pitch filter for audio signals
In some embodiments, a pitch filter for filtering a preliminary audio signal generated from an audio bitstream is disclosed. The pitch filter has an operating...
US-9,343,076 Methods and systems for generating filter coefficients and configuring filters
Methods for generating a palette of feedback (IIR) filter coefficient sets and using the palette to configure (e.g., adaptively update) a prediction filter...
US-9,343,074 Apparatus and method for audio encoding and decoding employing sinusoidal substitution
An apparatus for generating an audio output signal based on an encoded audio signal spectrum has a processing unit, a pseudo coefficients determiner, a spectrum...
US-9,343,071 Reconstructing an audio signal with a noise parameter
A method for generating a reconstructed audio signal having a baseband portion and a highband portion is disclosed. The method includes deformatting an encoded...
US-9,343,056 Wind noise detection and suppression
Wind noise is detected in and removed from an acoustic signal. Features may be extracted from the acoustic signal. The extracted features may be processed to...
US-9,341,659 User interactive living organisms
Embodiments described herein use capacitive sensing to detect human interaction with living plants. A sensing system may utilize the natural conductive paths...
US-9,341,424 Firearm locking assembly
A firearm locking assembly combines a firearm and a locked safety assembly and is configured to allow owner and deny non-owner use. The assembly allows owner...
US-9,339,198 Headphones measuring heart-rate
The invention relates to headphones and a method for listening to music or some other audio signal, which headphones comprise at least one sound source such as...
US-9,339,010 Animal training apparatus with radio transceiver
An animal training apparatus with a radio transceiver is provided, which includes an encoder/tact switch setting animal stimulation levels, a mode designation...
US-9,338,619 User authentification system using call identification information and method thereof
A user authentication system using call identification information, includes: a contents service provision server which provides a contents service through a...
US-9,338,614 Voice messaging method and mobile terminal supporting voice messaging in mobile messenger service
A mobile terminal supporting a voice messaging method includes a microphone for capturing sound waves and converting the sound waves into an audio signal, a...
US-9,338,605 Driver identification and data collection systems for use with mobile communication devices in vehicles
Systems, methods, and devices for determining the location of one or more mobile devices within a vehicle comprising: (a) a controller located within the...
US-9,338,577 Game system, game process control method, game apparatus, and computer-readable non-transitory storage medium...
Sounds are reproduced from a plurality of sound source objects at the same timing. A sound volume and a localization of each sound when the sounds are received...
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...
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