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Digital Audio patents

      

This page is updated frequently with new Digital Audio-related patent applications.




 Mixing digital audio patent thumbnailMixing digital audio
A method of mixing digital audio uses a plurality of mixing buses. Each mixing bus receives at least one input digital audio signal via a respective input.
Red Lion 49 Limited


 Systems and methods for matching two or more digital multimedia files patent thumbnailSystems and methods for matching two or more digital multimedia files
Systems and computer-implemented methods match two digital videos previously recorded at a same event. The systems and methods provide a group of digital videos to a computer system, wherein each digital video comprises digital audio and digital video signals previously recorded at the same event, wherein the digital videos are previously recorded by different digital mobile devices and are previously at least temporally synchronized with respect to each other and aligned on a timeline of the same event, wherein a set of instants in time within the timeline of the same event is predefined.
Evergig Music S.a.s.u.


 Systems and methods for detecting audio mismatches between digital media files patent thumbnailSystems and methods for detecting audio mismatches between digital media files
Systems and methods determine, identify and/or detect one or more audio mismatches between at least two digital media files by providing a group of digital media files to a computer system as input files. Each digital media file comprises digital audio and digital video signals previously recorded at a same performance by a same artist, and the digital media files are previously synchronized with respect to each other and aligned on a timeline of the same performance and provide a first multi-angle digital video of the same performance.
Evergig Music S.a.s.u.


 Digital map of a physical location based on a user's field of interest and a specific sound pattern patent thumbnailDigital map of a physical location based on a user's field of interest and a specific sound pattern
A computer-implemented method, system, and/or computer program product generates a digital map of a physical location based on a user's field of interest and local sounds. One or more processors receive a user's field of interest from a computing device used by a user.
International Business Machines Corporation


 Methods and apparatus to facilitate local time-based digital audio measurement patent thumbnailMethods and apparatus to facilitate local time-based digital audio measurement
Example methods, apparatus, systems and articles of manufacture to facilitate local time-based digital audio measurement are disclosed. Example methods disclosed herein include a hello ping may be received from a media player.
The Nielsen Company (us), Llc


 Visual focus assistance for operating an audio control surface patent thumbnailVisual focus assistance for operating an audio control surface
Large numbers of similar-looking or identical physical controls on an audio control surface can make it difficult for operators to rapidly locate desired controls. Highlighting of selected controls focuses the operator's visual attention on controls the operator is manipulating, or has just manipulated and is likely to manipulate again.
Avid Technology, Inc.


 Apparatus and  sound stage enhancement patent thumbnailApparatus and sound stage enhancement
A non-transitory computer readable storage medium with instructions executable by a processor identify a center component, a side component and an ambient component within right and left channels of a digital audio input signal. A spatial ratio is determined from the center component and side component.
Ambidio, Inc.


 Music reproducing device patent thumbnailMusic reproducing device
A dap 1 comprises a dac 7 that d/a-converts lr 2 channels digital audio data into lr 2 channels analog audio data, an amplification circuit 9 that amplifies the lr 2 channels analog audio data that the dac 7 d/a-converts, a dac 8 that d/a-converts the lr 2 channels digital audio data into the lr 2 channels analog audio data, and an amplification circuit 10 that amplifies inverted lr 2 channels analog audio data that the lr 2 channels analog audio data that the dac 8 d/a-converts is inverted.. .

 System and  preventing unauthorized recording, retransmission and misuse of audio and video patent thumbnailSystem and preventing unauthorized recording, retransmission and misuse of audio and video
In some embodiments, a method includes receiving, at a device, digital audio content to be converted by a digital-to-analog converter to produce analog audio content. The digital audio content has at least one audible frequency.
Pegasus Media Security, Llc


 Music reproducing device patent thumbnailMusic reproducing device
A dap 1 comprises a positive side dac 7 that d/a-converts digital audio data into analog audio data, a positive side amplification circuit 9 that amplifies the analog audio data that the dac 7 d/a-converts, a negative side dac 8 that d/a-converts the digital audio data into the analog audio data, and a negative side amplification circuit 10 that amplifies the analog audio data that the dac 8 d/a-converts, and a cpu 2. The cpu 2 mutes the dac 8 in case of an acg mode that sets output of the amplification circuit 10 to ground..

Music reproducing device

A dap 1 has multiple volume control. Further, the dap 1 includes a dac 7 that converts digital audio data into analog audio data, and a cpu 2.

Utilizing audio digital impact to create digital media presentations

Systems and methods disclosed create one or more digital media presentations based on impact values. In particular, in one or more embodiments, systems and methods generate impact values based on a change in a measure of energy associated with digital audio content over time.
Adobe Systems Incorporated

Apparatus, system, and digital audio services

A system and method for providing digital audio services is described. One embodiment is a method for proving digital audio services, comprising receiving, using a communications interface, an audio stream from a content provider; determining a timestamp for a first audio stream segment; determining a timestamp for a second audio stream segment; updating playlist with a representation of the audio stream; receiving query for content information; and sending offer information, in response to receiving the query for content information..
Clip Interactive, Llc

Wireless satellite digital audio radio service (sdars) head unit with portable subscription and cell phone abilities

A system and method for automated activation of a radio, or content receiver, used to receive subscription radio services such as xm or sirius radio. A wireless communications device with a short range data link wirelessly communicates with the content receiver to control the content receiver and receive a unique identification code from the content receiver.
Sirius Xm Radio Inc.

Improved frame loss correction with voice information

A method for processing a digital audio signal, including a series of samples distributed in consecutive frames, is implemented when decoding the signal in order to replace at least one signal frame lost during decoding. The method includes the following steps: a) searching, in a valid signal segment available when decoding, for at least one period in the signal, determined in accordance with the valid signal; b) analyzing the signal in the period, in order to determine spectral components of the signal in the period; c) synthesizing at least one frame for replacing the lost frame, by construction of a synthesis signal from: an addition of components selected among the predetermined spectral components, and a noise added to the addition of components.
Orange

Electronic apparatus and housing support structure

An electronic apparatus, such as a digital audio recorder, includes a housing. A plurality of foot pads are disposed on a lower housing surface of the housing, for supporting the housing on a placement surface.
Teac Corporation

Acoustic processor having low latency

An audio system having low latency includes a digital audio processor as well as sensor inputs coupled to the processor. The sensor inputs may be microphone inputs.
Avnera Corporation

System with wireless earphones

Apparatus comprises adapter and speaker system. Adapter is configured to plug into port of personal digital audio player.
Koss Corporation

Recording apparatus

In a recording system comprising a plurality of recording apparatuses connected in cascade to increase the number of audio channels, a desired audio signal can be monitored. In the recording apparatus, when a digital audio signal is input from a digital input terminal and an analog audio signal is input from an analog audio input terminal, the analog audio signal is converted to a digital signal, which is further embedded in the digital audio signal and output from an output terminal.
Teac Corporation

Multipath digital microphones

Multipath digital microphone systems comprising a multipath digital audio combiner component are described. Exemplary multipath digital microphone systems can switch from conveying one digital audio signal to conveying another digital audio signal based on one or more switching criteria determined by an exemplary multipath digital audio combiner component.
Invensense, Inc.

Multiband vehicular antenna assembly

Exemplary embodiments are disclosed of multiband vehicular antenna assemblies with global navigation satellite system (gnss) capabilities. In exemplary embodiments, a multiband antenna assembly is operable with more than two satellite navigation system frequencies (e.g., global positioning system (gps), beidou navigation satellite system (bds), the russian global navigation satellite system (glonass), etc.).
Laird Technologies Shanghai Co., Ltd.

Encoded audio metadata-based equalization

A system for producing an encoded digital audio recording has an audio encoder that encodes a digital audio recording having a number of audio channels or audio objects. An equalization (eq) value generator produces a sequence of eq values which define eq filtering that is to be applied when decoding the encoded digital audio recording, wherein the eq filtering is to be applied to a group of one or more of the audio channels or audio objects of the recording independent of any downmix.
Apple Inc.

Encoded audio extended metadata-based dynamic range control

An audio encoder encodes a digital audio recording having a number of audio channels or audio objects. A dynamic range control (drc) processor produces a sequence of encoder drc gain values, by applying a selected one of a number of drc characteristics to a group of one or more of the audio channels or audio objects.
Apple Inc.

Audio broadcast recording device

An audio broadcast recording device records live radio broadcasts. The device is similar in size and shape to a smartphone, with a large visual display occupying most of the front surface, and also provides a set of audio function buttons on its front surface which perform functions of recording, playing, fast forwarding, pausing, and rewinding, applied to radio broadcasts and podcasts.

Network amplifer in an audio video distribution system

The present disclosure describes a networked amplifier in an audio video distribution system that converts a digital audio signal to and from an analog audio signal used in a video and audio system that uses a tcp/ip lan (local area network) using tcp/ip as the communication protocol. The networked amplifier includes a network controller where the controller includes an embedded controller with a processor, memory, and storage functioning as a web server.
Netstreams, Llc

Adaptations of analysis or synthesis weighting windows for transform coding or decoding

A method and device are provided for coding or decoding a digital audio signal by transform using analysis or synthesis weighting windows applied to sample frames. The method includes an irregular sampling of an initial window provided for a transform of given initial size n, to apply a secondary transform of size m different from n..
Orange

Method for the synthetic generation of a digital audio signal

A method for the synthetic generation of a digital audio signal by means of periodic sampling of a waveform shall permit the user a particularly simple and intuitive access to the changing and creative transformation of the waveform on which the sampling is based. For this purpose, according to the invention, the waveform is specified by using control points, which, in addition to position parameters, may contain further attributes, of which the parameters and attributes can be changed individually over time by means of control signals or spontaneouseous intervention.
Jobomusic Ag

Audio processing device

Anav receiver 1 includes a detection circuit 4 that detects that a digital audio signal terminal is connected and supplies a detection signal, a dir 5 that converts an spdif signal into an i2s signal when the detection circuit 4 supplies the detection signal, a detection circuit 7 that detects that the i2s signal into which the dir5 convers is an audio signal indicating sound and supplies a detection signal, and a microcomputer 2 that activates the av receiver 1 when the detection circuit 7 supplies the detection signal.. .

Methods and apparatus to correct attribution errors and coverage bias for digital audio ratings

Methods, apparatus, systems and articles of manufacture to correct attribution errors and coverage bias for digital audio ratings are disclosed. An example method includes applying, by executing an instruction with a processor, a duration-based count matrix to first demographic data associated with collected impressions of digital audio to determine second demographic data, the duration-based count matrix being based on a misattribution adjustment matrix, applying, by executing an instruction with the processor, a coverage adjustment vector to the second demographic data to determine third demographic data, applying, by executing an instruction with the processor, a scaling factor to the third demographic data to determine fourth demographic data, and generating, by executing an instruction with the processor, ratings data at a daypart-level using the fourth demographic data, the ratings data associated with the digital audio..
The Nielsen Company (us), Llc

Single-use handheld diagnostic test device, and an associated testing biological and environmental test samples

In a single-use handheld diagnostic test device and an associated system and method, a biological and/or environmental test sample is received and reacted with reagents. The test device tests a single sample and includes a sensor to detect test data.
Fio Corporation

Single-use handheld diagnostic test device, and an associated testing biological and environmental test samples

In a single-use handheld diagnostic test device and an associated system and method, a biological and/or environmental test sample is received and reacted with reagents. The test device tests a single sample and includes a sensor to detect test data.
Fio Corporation

Loudspeaker protection

This application relates to methods and apparatus for loudspeaker protection. A loudspeaker protection system (100) receives a digital audio signal comprising a plurality of samples at an input node (in).
Cirrus Logic International Semiconductor Ltd.

Data transfer

This application relates to methods and apparatus for transfer of multiple digital data streams, especially of digital audio data over a single communications link such as a single wire. The application describes audio interface circuitry comprising a pulse-length-modulation (plm) modulator (204).
Cirrus Logic International Semiconductor Ltd.

Inter-device digital audio

A method for reconfiguring a bus device from a first configuration into a second configuration, wherein the second configuration is not visible to, and is not selectable by, an unauthorized host device that connects to the bus device through a peripheral port of the bus device is described. In the bus device, a received message transmitted by the authorized host device through the peripheral port of the bus device to which the authorized host device is connected is parsed and an instruction to reconfigure the bus device from the first configuration into the second configuration is detected.
Apple Inc.

Systems and methods for use in a vehicle for detecting external events

There is provided a vehicle comprising a microphone positioned to receive sounds originated from outside of the vehicle, an analog-to-digital converter configured to covert the sounds received by the microphone to digital audio signals, a memory storing a sound processing software and one or more known audios, and a hardware processor configured to execute the sound processing software. In one implementation the sound processing software performs comparing the digital audio signals with the one or more known audios stored in the memory, determining, in response to the comparing, a match between the digital audio signals and a first audio of the one or more known audios stored in the memory; and taking an action in response to the determining of the match between the digital audio signals and the first audio..
Karma Automotive, Llc

Television tuner device for processing digital audiovisual content

Embodiments of a device for receiving a digital terrestrial, cable, or satellite television signal are described herein. For example, a silicon tuner module may be configured to receive a digital terrestrial, cable, or satellite television signal and output a digital bitstream, the digital bitstream may include audio visual content in an encoded transport stream.
Bby Solutions, Inc.

Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems

Systems and methods for decoding block and concatenated codes are provided. These include advanced iterative decoding techniques based on belief propagation algorithms, with particular advantages when applied to codes having higher density parity check matrices such as iterative soft-input soft-output and list decoding of convolutional codes, reed-solomon codes and bch codes.
Ln2 Db, Llc

Method for preprocessing speech for digital audio quality improvement

Preprocessing speech signals from an indirect conduction microphone. One exemplary method preprocesses the speech signal in two stages.
Motorola Solutions, Inc.

Digital media album

A virtual or digital multimedia album. The digital album may include a collection of related media to provide virtually, what a traditional band album provides, and more.
Iboard Incorporated

Method and system for implementing a large area continuous coverage of programs in digital audio broadcasting

The present invention relates to a method and system for implementing a large area and continuous coverage of programs in a digital audio broadcasting, wherein, part of carrier frequencies are set as common carrier frequencies, and other carrier frequencies are set as service carrier frequencies; all of the common carrier frequencies are combined together to achieve a seamless coverage for the large area; a transmitting end transmits a common frequency point identifier and a program information list on the common carrier frequencies, and transmits digital broadcasting programs on the service carrier frequencies; a receiving end identifies the common carrier frequency based on the common frequency point identifier and receives the digital broadcasting program on the common carrier frequencies; for a specific program desired to be received, all the carrier frequencies on broadcasting of the program are searched based on the received program information list, and the carrier frequency with best signal quality is selected for receiving; during the reception process of the specific program, signal quality of other carrier frequency on broadcasting of the specific program is monitored, and when the signal quality of current receiving carrier frequency decreases, the program is continue to be received by switching to another carrier frequency with better signal quality. By using the method and system according to the present invention, it can be realized that programs can be continuously covered for a large area and received seamlessly..
Beijing Cri-tech Radio And Television Technologies Co., Ltd.

Systems and methods for dynamic audio processing

Systems and methods presented herein may provide for processing audio with increased loudness and dynamics. A first clock frequency associated with a digital audio file may be increased to a second clock frequency, which speeds up the playback of the audio.

Integrated audio amplification circuit with multi-functional external terminals

The present invention relates in one aspect to an audio amplification circuit comprising an input terminal for receipt of an input signal from a transducer. A signal processor is operatively coupled to the input terminal for receipt and processing of the input signal to generate a processed digital audio signal in accordance with a programmable configuration setting of the signal processor.
Invensense, Inc.

Audio signal amplification device

An audio signal amplification device of the disclosure includes: a delta-sigma modulation part configured to resample an input digital audio signal with a quantization number smaller than a quantization number of the digital audio signal; a pulse-width modulation part configured to convert an output signal from the delta-sigma modulation part into a pulse-width modulation signal which sets a gradation of the output signal in an amplitude direction at a gradation of a pulse width; a power amplification part configured to perform power amplification on an output signal from the pulse-width modulation part; a low-pass filter configured to diminish a component higher than a predetermined cutoff frequency, in an output signal from the power amplification part, and to output the resultant signal; and a correction processing part configured to generate a correction signal for correcting the digital audio signal. The correction processing part includes a switch configured to control coupling of the correction processing part to the low-pass filter.
Panasonic Intellectual Property Management Co., Ltd.

Server providing a quieter open space work environment

A server for providing a quieter environment in an open work space that has a plurality of work places used by a plurality of users comprises a processor configured to receive digital audio signals corresponding to ambient noises captured by microphones at the work places, compute average values that represent current noises at the work places, compute a threshold value that represents a current noise in a neighbourhood of a first work place as a function of p values that represent the current noises at p work places that are neighbors of the first work place, compare each digital audio signal with the threshold value, determine the digital audio signals that are greater than the threshold value to determine at least one work place that corresponds to a digital audio signal that is greater than the threshold value, and send a warning to a user of the determined at least one work place.. .
Alcatel Lucent

Audio circuit

A d/a converter converts digital audio data din into analog differential audio signals vp and vn. A differential to single-ended conversion circuit converts the differential audio signals vp and vn into a single-ended audio signal vse.
Rohm Co., Ltd.

Ofdm based broadcast communication system

Fdm based broadcast transmitter arrangement for transmitting a digital audio/video information signal, wherein an encoded version of the digital audio/video information signal is encapsulated in a network layer encapsulation step in accordance with dab, dvb-t or dvb-t2 to obtain a network layer information signal. The network layer information signal is then converted in a data link layer conversion step to obtain a data link layer information signal, which is subjected in a physical layer conversion step to obtain a broadcast information transmission signal..
Institut Fur Rundfunktechnik Gmbh

System and transmitting digital audio streams to attendees and recording video at public events

The present discloses an audio server that includes at least one memory device to store instructions and at least one processing device to execute the instructions stored in the least one memory device to convert audio sound waves from live event or concert into an audio signal, capture video of at least portions of the live event or the concert, generate an encoded stream by encrypting the audio signal and the captured video with a key, and in response to receiving purchase confirmation from a device, transmit the key to the device and stream the encoded stream to at least one device during the live event or concert. The device may decode the encoded stream using the key..

System and simulcasting digital audio streams to attendees at public events

The present discloses an audio server that includes at least one memory device to store instructions and at least one processing device to execute the instructions stored in the least one memory device to convert audio sound waves from live event or concert into an audio signal, generate an encoded stream by encrypting the audio signal with a key, and in response to receiving purchase confirmation from a device, transmit the key to the device and stream the encoded stream to at least one device during the live event or concert. The device may decode the encoded stream using the key..

Predictive trending of digital entities

Surfacing relevant and predictively trending digital entities to a user in a content feed is provided. Aspects of a predictive trending system use one or more predictive models, such as neural networks or regression models, to generate predictive trending scores of digital entities (e.g., documents, people, electronic communications, meetings, locations, digital images, digital videos, digital audio, etc.) based on historical scores and context.
Microsoft Technology Licensing, Llc.

Digital content distribution and subscription sysem

Digital content distribution systems and methods are provided for distributing for digital data files, such as digital audio and video data files. In accordance with one implementation, a token-based authentication system is provided that does not require knowledge of the individual user requesting the download of digital content data or real-time access to user account information.
Aol Inc.

Transition from a transform coding/decoding to a predictive coding/decoding

Methods and apparatus are provided for coding and decoding a digital audio signal. Decoding includes: decoding according to an inverse transform decoding of a previous frame of samples of the digital signal, which is received and coded according to a transform coding; and decoding according to a predictive decoding of a current frame of samples of the digital signal, which is received and coded according to a predictive coding.
Orange



Digital Audio topics:
  • Digital Audio
  • Motor Module
  • Transmitter
  • Quantization
  • Signal Processing
  • Audio Signal Processing
  • Radio Transmission
  • Ion Source
  • Audio Signals
  • Navigation
  • Mobile Receiver
  • File Transfer
  • Transducer
  • Io Processor
  • Duty Cycle


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    This listing is a sample listing of patent applications related to Digital Audio for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Digital Audio with additional patents listed. Browse our RSS directory or Search for other possible listings.


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