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Audio Signals

Audio Signals-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Hearing augmentation systems and methods
Nar Special Global, Llc.
August 10, 2017 - N°20170230766

Various systems and methods are disclosed herein to increase the quality of the sound and intelligibility of speech delivered to a user by combining electric audio signals from more than one hearing assistance device that incorporates an active signal enhancement system. The method includes receiving electric audio signals at a first hearing assistance device, and sending electric audio signals to ...
Offset cartridge microphones
Shure Acquisition Holdings, Inc.
August 10, 2017 - N°20170230748

Offset cartridge microphones are provided that include multiple unidirectional microphone cartridges mounted in an offset geometry. Various desired polar patterns and/or desired steering angles can be formed by processing the audio signals from the multiple cartridges, including a toroidal polar pattern. The offset geometry of the cartridges may include mounting the cartridges so that they are immediately adjacent to ...
Systems and methods for adjusting audio levels in a plurality of audio signals
Evertz Microsystems Ltd.
August 10, 2017 - N°20170229135

Systems and methods for adjusting audio levels in a plurality of audio signals are disclosed. One or more input signals containing one or more audio signals are depacketized. The audio signals are analyzed to determine if audio levels of the signals correspond to a desired audio level for at least some of the signals. The audio levels of signals that ...
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Audio decoder for audio channel reconstruction
Dolby International Ab
August 10, 2017 - N°20170229131

A method performed by an audio decoder for reconstructing n audio channels from an audio signal containing m audio channels is disclosed. The method includes receiving a bitstream containing an encoded audio signal having m audio channels and a set of spatial parameters, the set of spatial parameters including an inter-channel intensity difference parameter and an inter-channel coherence parameter. The ...
Audio decoder for audio channel reconstruction
Dolby International Ab
August 10, 2017 - N°20170229130

A method performed by an audio decoder for reconstructing n audio channels from an audio signal containing m audio channels is disclosed. The method includes receiving a bitstream containing an encoded audio signal having m audio channels and a set of spatial parameters, the set of spatial parameters including an inter-channel intensity difference parameter and an inter-channel coherence parameter. The ...
Audio decoder for audio channel reconstruction
Dolby International Ab
August 10, 2017 - N°20170229129

A method performed by an audio decoder for reconstructing n audio channels from an audio signal containing m audio channels is disclosed. The method includes receiving a bitstream containing an encoded audio signal having m audio channels and a set of spatial parameters, the set of spatial parameters including an inter-channel intensity difference parameter and an inter-channel coherence parameter. The ...
Audio Signals Patent Pack
Download 258+ patent application PDFs
Audio Signals Patent Applications
Download 258+ Audio Signals-related PDFs
For professional research & prior art discovery
inventor
  • 258+ full patent PDF documents of Audio Signals-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Audio decoder for audio channel reconstruction
Dolby International Ab
August 10, 2017 - N°20170229127

A method performed by an audio decoder for reconstructing n audio channels from an audio signal containing m audio channels is disclosed. The method includes receiving a bitstream containing an encoded audio signal having m audio channels and a set of spatial parameters, the set of spatial parameters including an inter-channel intensity difference parameter and an inter-channel coherence parameter. The ...
Audio decoder for audio channel reconstruction
Dolby International Ab
August 10, 2017 - N°20170229126

A method performed by an audio decoder for reconstructing n audio channels from an audio signal containing m audio channels is disclosed. The method includes receiving a bitstream containing an encoded audio signal having m audio channels and a set of spatial parameters, the set of spatial parameters including an inter-channel intensity difference parameter and an inter-channel coherence parameter. The ...
Methods and systems for transmission of arbitrary data via bluetooth hfp audio connections with low ...
Nagravision S.a.
August 03, 2017 - N°20170223487

A wireless-communication device includes a user interface configured to receive audio signals; a cryptographic module configured to encrypt the audio signals into a binary data sequence; a generator module configured to: receive a bit pattern representative of the binary data sequence; and generate a byte sequence representative of the bit pattern by generating a byte that is greater than the ...
Processing spatially diffuse or large audio objects
Dolby Laboratories Licensing Corporation
August 03, 2017 - N°20170223476

Diffuse or spatially large audio objects may be identified for special processing. A decorrelation process may be performed on audio signals corresponding to the large audio objects to produce decorrelated large audio object audio signals. These decorrelated large audio object audio signals may be associated with object locations, which may be stationary or time-varying locations. For example, the decorrelated large ...
Mechanically actuated panel acoustic system
Apple Inc.
August 03, 2017 - N°20170223462

An electronic device whose enclosure or housing panel is used as part of an acoustic system is described. The panel is divided into several sub-panels. For each sub-panel, the device includes one or more actuators attached to vibrate the sub-panel. The actuator and its attached sub-panel convert an audio signal to acoustic output. Each actuator and sub-panel combination may receive ...
A method and device for modifying audio signals based on hearing capabilities of the listener
Meq Inc.
August 03, 2017 - N°20170223461

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 signals being played via a set of headphones. The method comprises the steps of: providing results of one or more hearing tests performed to the specific individual; retrieving information that relates to deviations in hearing ...
Power consumption in motion-capture systems with audio and optical signals
Leap Motion, Inc.
August 03, 2017 - N°20170223271

The technology disclosed provides systems and methods for reducing the overall power consumption of an optical motion-capture system without compromising the quality of motion capture and tracking. In implementations, this is accomplished by operating the motion-detecting cameras and associated image-processing hardware in a low-power mode (e. G., at a low frame rate or in a standby or sleep mode) unless ...
Audio Signals Patent Pack
Download 258+ patent application PDFs
Audio Signals Patent Applications
Download 258+ Audio Signals-related PDFs
For professional research & prior art discovery
inventor
  • 258+ full patent PDF documents of Audio Signals-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Coding of multichannel audio content
Dolby International Ab
August 03, 2017 - N°20170221489

There are provided decoding and encoding methods for encoding and decoding of multichannel audio content for playback on a speaker configuration with n channels. The decoding method comprises decoding, in a first decoding module, m input audio signals into m mid signals which are suitable for playback on a speaker configuration with m channels; and for each of the n ...
Drone flight control
Qualcomm Incorporated
August 03, 2017 - N°20170220036

A drone system and method. Audio signals are received via one or more microphones positioned relative to a location on a drone and one or more of the audio signals are identified as of interest. Flight characteristics of the drone are then controlled based on the audio signals that are of interest.
System and method for detecting aerial vehicle position and velocity via sound
Sz Dji Technology Co., Ltd.
August 03, 2017 - N°20170219686

A system for determining a signal source position and velocity, and methods for manufacturing and using same are provided. An exemplary method includes determining a signal source position and velocity by performing a direction analysis on a plurality of audio signals and performing an intensity analysis on the audio signals. Another exemplary method includes determining that a signal source is ...
Displacement and rotation measurement for unmanned aerial vehicles
Qualcomm Incorporated
August 03, 2017 - N°20170219685

Apparatuses and methods are described for determining displacement and/or rotation of a unmanned aerial vehicle (uav), including, but not limited to, determining a first time of flight (tof) for audio signals transmitted by an audio transmitter of the uav and received by a first audio receiver of the uav while the uav is in motion, determining a second tof ...
Enhanced fallback to in-band mode for emergency calling
Qualcomm Incorporated
July 27, 2017 - N°20170215056

Techniques are disclosed for increasing the reliability of transferring data via in-band signaling in a audio channel of a communication network. Techniques include causing an audio decoding process to modify the decoding of audio signals for the audio channel based on obtaining an indication of in-band signaling. The modified decoding may replace an adaptive de-jitter buffer by a static de-jitter ...
System and method for non-destructively normalizing loudness of audio signals within portable devices
Dolby Laboratories Licensing Corporation
July 27, 2017 - N°20170213566

Many portable playback devices cannot decode and playback encoded audio content having wide bandwidth and wide dynamic range with consistent loudness and intelligibility unless the encoded audio content has been prepared specially for these devices. This problem can be overcome by including with the encoded content some metadata that specifies a suitable dynamic range compression profile by either absolute values ...
Apparatus, methods and computer programs for encoding and decoding audio signals
Nokia Technologies Oy
July 27, 2017 - N°20170213565

A method, apparatus and computer program wherein the method comprises: obtaining a beamforming signal using respective signals from a first microphone and a second microphone; reducing the data size of the beamforming signal by grouping the beamforming signal into frequency bands and obtaining a data value for each of the frequency bands; and forming a bit stream comprising at least ...
Device-free tracking system that accurately tracks hand movement
Board Of Regents, The University Of Texas System
July 27, 2017 - N°20170212235

A method, system and computer program product for tracking movement of an object, such as a hand. Speakers of a device to be controlled transmit frequency modulated continuous wave (fmcw) audio signals. These signals are reflected by the object and received by the microphones at the controlled device. The received and transmitted audio signals are mixed. A fast fourier transform (...
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