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Digital Audio

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


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Audio converter device and method for using the same
Callahan Cellular L.l.c.
June 14, 2018 - N°20180165058

An audio converter device and a method for using the same. The audio converter device receives the digital audio data from a first device via a local area network.
Real-time wireless synchronization of live event audio stream with a video recording
Bygge Technologies Inc.
June 07, 2018 - N°20180158922

Systems and methods are presented herein that facilitate temporally synchronizing, in real time, a separately sourced high quality audio segment of a live event with a video segment that is generated by a recording device associated with a member of the audience. An a-v synchronization application may synchronize a video segment of a live event that is generated from a ...
Acoustic channel-based data communications method
Chen, Jinghong
May 31, 2018 - N°20180152251

It discloses an acoustic channel-based data communications method which performs channel coding on an original data signal using a crc coding method and a bch coding method to obtain a coded sequence; modulates the coded sequence using a preset audio sequence symbol set via a symbol mapping method to obtain a digital audio signal; selects a channel frequency band according ...
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Method for streaming through a data service over a radio link subsystem
Ibiquity Digital Corporation
May 17, 2018 - N°20180139499

An apparatus for controlling a data rate in a data client for a digital audio broadcasting system includes a buffer for storing data, a codec for coding data, and a control module for controlling a bit rate of the codec in response to a level of the data in the buffer. A method performed by the apparatus is also included..
Time-alignment measurment for hybrid hd radio technology
Ibiquity Digital Corporation
May 17, 2018 - N°20180139035

A method for processing a digital audio broadcast signal in a radio receiver, includes: receiving a hybrid broadcast signal; demodulating the hybrid broadcast signal to produce an analog audio stream and a digital audio stream; and using a normalized cross-correlation of envelopes of the analog audio stream and the digital audio stream to measure a time offset between the analog ...
Voice enabled remote control for a set-top box
Nuance Communications, Inc.
May 03, 2018 - N°20180122224

A remote control device includes a digital audio storage device, a talk button, and an optical distance measurer. The digital audio storage device is configured to continually record an audio input for a specific amount of time.
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System and method for capturing, encoding, distributing, and decoding immersive audio
Dts, Inc.
April 05, 2018 - N°20180098174

A sound field coding system and method that provides flexible capture, distribution, and reproduction of immersive audio recordings encoded in a generic digital audio format compatible with standard two-channel or multi-channel reproduction systems. This end-to-end system and method mitigates any impractical need for standard multi-channel microphone array configurations in consumer mobile devices such as smart phones or cameras.
Magnetically attached battery pack with audio interface
Scosche Industries, Inc.
April 05, 2018 - N°20180097373

A device for charging a mobile device, which is also capable of converting a digital audio signal of a mobile device in to an analog audio signal, includes a first digital interface, a digital to analog converter, and a preamplifier. The first digital interface is configured to provide power to a mobile device connected thereto in order to charge the ...
Producing headphone driver signals in a digital audio signal processing binaural rendering environment
Apple Inc.
March 29, 2018 - N°20180091920

A number of candidate binaural room impulse responses (brirs) are analyzed to select one of them as a selected first brir that is to be applied to diffuse audio, and another one as a selected second brir that is to be applied to direct audio, of a sound program. A first binaural rendering process is performed on the diffuse audio ...
Wireless headset carrying case with digital audio output port
Apple Inc.
March 29, 2018 - N°20180091884

A case for a portable wireless listening device (e.g., a pair of wireless earbuds) is configured to house a pair of wireless earbuds and charge the earbuds when they are in the case. The case is further configured to receive media received by the wireless earbuds and transmit the media to a non-wireless output device connected to the case.
Digital audiovisual content campaigns using merged television viewer information and online activity information
Adobe Systems Incorporated
March 22, 2018 - N°20180084308

The present disclosure relates to a content campaign system that improves the design and implementation of content campaigns. In particular, the content campaign system can receive television viewer information corresponding to television client devices and online activity information corresponding to client computing devices.
Distributed amplification for adaptive audio rendering systems
Dolby Laboratories Licensing Corporation
March 15, 2018 - N°20180077491

Embodiments are described for a hybrid amplification architecture that separates individual audio amplifier stages from the power supply and a simple two- or three-conductor bus that transmits both power and audio signal to a plurality of daisy-chained speakers to playback adaptive audio content in an expanded surround-sound environment including surround and overhead speakers or for use within professional live sound ...
Radio over internet protocol devices and methods for interoperability with land mobile radio devices
March 15, 2018 - N°20180076842

Devices and methods are provided that permit interoperability between radio over internet protocol (roip) devices and land mobile radio (lmr) devices. In one device according to the invention, a networked radio includes a wireless network transceiver, an lmr signal connector, and an analog-to-digital converter/digital-to-analog converter (adc/dac).
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Systems and methods for use in a vehicle for detecting external events
Karma Automotive, Llc
March 15, 2018 - N°20180072222

There is provided a vehicle having a first microphone positioned to receive sounds originating from outside of the vehicle, a first analog-to-digital converter configured to covert the sounds received by the first microphone to digital audio signals, a first key to be carried by a first driver of the vehicle, a memory having a first plurality of voice commands stored ...
Multiple room communication system and method
Bose Corporation
March 08, 2018 - N°20180070187

A method for operating a wireless audio playback device that has an electro-acoustic transducer and a microphone, wherein the wireless audio playback device is configured for playback of audio signals received from a plurality of digital audio sources and for synchronized audio playback with one or more other wireless audio playback devices. A particular predefined user action is detected.
System and method for auditing and filtering digital audio files
Cymatrax
March 01, 2018 - N°20180061430

A computerized method for filtering a digital audio file to generate an output audio file that induces optimal health and cognitive ability in a listener of a playback of the output audio file is described herein. The method includes the steps of identifying a plurality of target frequencies that span within an octave, identifying a plurality of mid-point frequencies that ...
Toolboxes, systems, kits and methods relating to supplying precisely timed, synchronized music
March 01, 2018 - N°20180061381

Systems, devices, and methods, etc., that provide digital audio toolboxes, music kits, digital audio tracks, etc., herein supply digital audio tracks such as music for combination with and synchronization with digital pre-existing media tracks. The toolkits, etc., herein provide users with visual tracks in media, to create, provide and/or synchronize precisely timed tracks used in audio media productions, or ...
Virtual music experiences
Red Pill Vr, Inc.
February 15, 2018 - N°20180047372

Techniques for generating a virtual music experience. The techniques include source separating an arbitrary digital audio input into a plurality of source-separated tracks.
Perceptual power reduction system and method
Maxim Integrated Products, Inc.
February 01, 2018 - N°20180034433

A method of reducing power consumed by an audio playback system includes: receiving a signal from a digital audio interface; comparing a sound pressure level (spl) response of a first frequency band of the signal to a total spl response of the signal, the first frequency band including frequencies lower than a selected frequency; and attenuating signal components in the ...
Proximity synchronizing audio gateway device
Facebook, Inc.
January 25, 2018 - N°20180026826

A digital audio gateway device for use in a wireless network of digital audio playback devices. The gateway device is wirelessly linked to one or more digital audio playback devices to provide a gateway to the internet for the digital audio playback devices.
Analyzing or emulating a guitar performance using audiovisual dynamic point referencing
Jammit, Inc.
January 25, 2018 - N°20180025665

The systems and methods taught herein are generally directed to a dynamic point referencing of an audiovisual performance for an accurate and precise selection and controlled cycling of portions of the performance. The dynamic point referencing can be used by a learning artist, for example, in analyzing or performing a portion of the work through an accurate and precise digital ...
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