Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels

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HELECTRICITY H04Electric communication H04SSTEREOPHONIC SYSTEMS H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups

Current Industry

H04S2400/03Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels

Industries

Patents Grantslast 30 patents

Information Patent Grant
System and method for adaptive audio signal generation, coding and...
- Patent number 11,962,997
- Issue date Apr 16, 2024
- Dolby Laboratories Licensing Corporation
- Charles Q. Robinson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Methods, apparatus and system for rendering an audio program
- Patent number 11,948,585
- Issue date Apr 2, 2024
- DOLBY INTERNATIONAL AB
- Christof Fersch
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Delay estimation method and apparatus
- Patent number 11,950,079
- Issue date Apr 2, 2024
- Huawei Technologies Co., Ltd.
- Eyal Shlomot
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multichannel audio signal processing method, apparatus, and system
- Patent number 11,922,954
- Issue date Mar 5, 2024
- Huawei Technologies Co., Ltd.
- Zhe Wang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Ambience audio representation and associated rendering
- Patent number 11,924,627
- Issue date Mar 5, 2024
- Nokia Technologies Oy
- Lasse Laaksonen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Joint noise and echo suppression for two-way audio communication en...
- Patent number 11,924,367
- Issue date Mar 5, 2024
- Amazon Technologies, Inc.
- Jean-Marc Valin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method for processing an audio signal, signal processing unit, bina...
- Patent number 11,910,182
- Issue date Feb 20, 2024
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Simone Neukam
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus and method for low delay object metadata coding
- Patent number 11,910,176
- Issue date Feb 20, 2024
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Christian Borss
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Orientation-aware surround sound playback
- Patent number 11,902,762
- Issue date Feb 13, 2024
- Dolby Laboratories Licensing Corporation
- Xuejing Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reconstruction of audio scenes from a downmix
- Patent number 11,894,003
- Issue date Feb 6, 2024
- DOLBY INTERNATIONAL AB
- Toni Hirvonen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio processing apparatus and method for denoising a multi-channel...
- Patent number 11,889,292
- Issue date Jan 30, 2024
- Huawei Technologies Co., Ltd.
- Mohammad Taghizadeh
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Noise filling in multichannel audio coding
- Patent number 11,887,611
- Issue date Jan 30, 2024
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Maria Luis Valero
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus and method for estimating an inter-channel time difference
- Patent number 11,887,609
- Issue date Jan 30, 2024
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Stefan Bayer
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for rendering volume sound source
- Patent number 11,882,425
- Issue date Jan 23, 2024
- Electronics and Telecommunications Research Institute
- Dae Young Jang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and signal processing unit for mapping a plurality of input...
- Patent number 11,877,141
- Issue date Jan 16, 2024
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Juergen Herre
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Parametric stereo upmix apparatus, a parametric stereo decoder, a p...
- Patent number 11,871,205
- Issue date Jan 9, 2024
- Koninklijke Philips N.V.
- Erik G. P. Schuijers
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound signal processor and control method therefor
- Patent number 11,871,199
- Issue date Jan 9, 2024
- Yamaha Corporation
- Atsushi Usui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for processing an audio signal in accordance with a room imp...
- Patent number 11,856,388
- Issue date Dec 26, 2023
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Simone Neukam
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio decoder for interleaving signals
- Patent number 11,830,510
- Issue date Nov 28, 2023
- DOLBY INTERNATIONAL AB
- Kristofer Kjoerling
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Spatial audio downmixing
- Patent number 11,832,086
- Issue date Nov 28, 2023
- Apple Inc.
- Christopher T. Eubank
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods for parametric multi-channel encoding
- Patent number 11,817,108
- Issue date Nov 14, 2023
- DOLBY INTERNATIONAL AB
- Tobias Friedrich
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and device for processing internal channels for low complexi...
- Patent number 11,810,583
- Issue date Nov 7, 2023
- Samsung Electronics Co., Ltd.
- Sun-min Kim
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio channel spatial translation
- Patent number 11,805,379
- Issue date Oct 31, 2023
- Dolby Laboratories Licensing Corporation
- Mark F. Davis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio encoding and decoding using presentation transform parameters
- Patent number 11,798,567
- Issue date Oct 24, 2023
- Dolby Laboratories Licensing Corporation
- Dirk Jeroen Breebaart
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods, apparatus and systems for encoding and decoding of multi-c...
- Patent number 11,798,568
- Issue date Oct 24, 2023
- Dolby Laboratories Licensing Corporation
- Oliver Wuebbolt
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Apparatus and method for generating a plurality of audio channels
- Patent number 11,785,414
- Issue date Oct 10, 2023
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Christian Borss
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and apparatus for rendering sound signal, and computer-reada...
- Patent number 11,785,407
- Issue date Oct 10, 2023
- Samsung Electronics Co., Ltd.
- Sang-bae Chon
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Methods and apparatus for decoding encoded audio signal(s)
- Patent number 11,776,552
- Issue date Oct 3, 2023
- DOLBY INTERNATIONAL AB
- Heiko Purnhagen
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method of rendering one or more captured audio soundfields to a lis...
- Patent number 11,770,666
- Issue date Sep 26, 2023
- Dolby Laboratories Licensing Corporation
- Richard J. Cartwright
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Representing spatial audio by means of an audio signal and associat...
- Patent number 11,765,536
- Issue date Sep 19, 2023
- Dolby Laboratories Licensing Corporation
- Stefan Bruhn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
IMMERSIVE VOICE AND AUDIO SERVICES (IVAS) WITH ADAPTIVE DOWNMIX STR...
- Publication number 20240135937
- Publication date Apr 25, 2024
- Dolby Laboratories Licensing Corporation
- Harald Mundt
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
NOISE FILLING IN MULTICHANNEL AUDIO CODING
- Publication number 20240127837
- Publication date Apr 18, 2024
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Maria Luis VALERO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ADVANCED STEREO CODING BASED ON A COMBINATION OF ADAPTIVELY SELECTA...
- Publication number 20240127829
- Publication date Apr 18, 2024
- DOLBY INTERNATIONAL AB
- Heiko PURNHAGEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHOD FOR PROCESSING AN AUDIO SIGNAL IN ACCORDANCE WITH A ROOM IMP...
- Publication number 20240129687
- Publication date Apr 18, 2024
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Simone NEUKAM
- G01 - MEASURING TESTING
Information Patent Application
PARAMETRIC STEREO UPMIX APPARATUS, A PARAMETRIC STEREO DECODER, A P...
- Publication number 20240121567
- Publication date Apr 11, 2024
- Koninklijke Philips N.V.
- ERIK G.P. SCHUIJERS
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
REPRESENTING SPATIAL AUDIO BY MEANS OF AN AUDIO SIGNAL AND ASSOCIAT...
- Publication number 20240114307
- Publication date Apr 4, 2024
- DOLBY INTERNATIONAL AB
- Stefan BRUHN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROGRESSIVE CALCULATION AND APPLICATION OF RENDERING CONFIGURATIONS...
- Publication number 20240114309
- Publication date Apr 4, 2024
- Dolby Laboratories Licensing Corporation
- Joshua B. LANDO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio Encoding and Decoding Using Presentation Transform Parameters
- Publication number 20240105186
- Publication date Mar 28, 2024
- Dolby Laboratories Licensing Corporation
- Dirk Jeroen Breebaart
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD OF RENDERING ONE OR MORE CAPTURED AUDIO SOUNDFIELDS TO A LIS...
- Publication number 20240098435
- Publication date Mar 21, 2024
- Dolby Laboratories Licensing Corporation
- Richard J. Cartwright
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUDIO ENCODER, AUDIO DECODER, METHODS AND COMPUTER PROGRAM USING JO...
- Publication number 20240029744
- Publication date Jan 25, 2024
- Fraunhofer-Gesellschaft zur foerderung der Angewandten Forschung e.V.
- Sascha DICK
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUDIO SPATIALIZATION
- Publication number 20240015464
- Publication date Jan 11, 2024
- Intel Corporation
- Nikos Kaburlasos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REAL-TIME LOW-COMPLEXITY STEREO SPEECH ENHANCEMENT WITH SPATIAL CUE...
- Publication number 20240007817
- Publication date Jan 4, 2024
- AMAZON TECHNOLOGIES, INC.
- Masahito Togami
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUDIO DATA PROCESSING METHOD AND APPARATUS, TERMINAL AND COMPUTER-R...
- Publication number 20230403526
- Publication date Dec 14, 2023
- Shenzhen TCL Digital Technology Ltd.
- Chun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Sound Signal Processor and Control Method Therefor
- Publication number 20230379631
- Publication date Nov 23, 2023
- Yamaha Corporation
- Atsushi USUI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR AUDIO RENDERING EMPLOYING A GEOMETRIC DIST...
- Publication number 20230370799
- Publication date Nov 16, 2023
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Simone NEUKAM
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUDIO DECODER FOR AUDIO CHANNEL RECONSTRUCTION
- Publication number 20230345176
- Publication date Oct 26, 2023
- DOLBY INTERNATIONAL AB
- Heiko PURNHAGEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SOUND SIGNAL DOWNMIXING METHOD, SOUND SIGNAL CODING METHOD, SOUND S...
- Publication number 20230319498
- Publication date Oct 5, 2023
- Nippon Telegraph and Telephone Corporation
- Ryosuke SUGIURA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
DECODING OF AUDIO SCENES
- Publication number 20230290363
- Publication date Sep 14, 2023
- DOLBY INTERNATIONAL AB
- Heiko PURNHAGEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
RECONSTRUCTION OF AUDIO SCENES FROM A DOWNMIX
- Publication number 20230267939
- Publication date Aug 24, 2023
- DOLBY INTERNATIONAL AB
- Toni HIRVONEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHODS AND SYSTEMS FOR DESIGNING AND APPLYING NUMERICALLY OPTIMIZE...
- Publication number 20230262409
- Publication date Aug 17, 2023
- Dolby Laboratories Licensing Corporation
- Grant A. DAVIDSON
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
STEREO AUDIO ENCODER AND DECODER
- Publication number 20230245667
- Publication date Aug 3, 2023
- DOLBY INTERNATIONAL AB
- Heiko PURNHAGEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
APPARATUS AND METHOD FOR ENCODING A PLURALITY OF AUDIO OBJECTS USIN...
- Publication number 20230238007
- Publication date Jul 27, 2023
- Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
- Andrea EICHENSEER
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BINAURAL MULTI-CHANNEL DECODER IN THE CONTEXT OF NON-ENERGY-CONSERV...
- Publication number 20230209291
- Publication date Jun 29, 2023
- DOLBY INTERNATIONAL AB
- Lars Villemoes
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
APPARATUS AND METHOD FOR GENERATING A DIFFUSE REVERBERATION SIGNAL
- Publication number 20230209302
- Publication date Jun 29, 2023
- Koninklijke Philips N.V.
- Jeroen Gerardus Henricus KOPPENS
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Generating Binaural Audio in Response to Multi-Channel Audio Using...
- Publication number 20230199427
- Publication date Jun 22, 2023
- Dolby Laboratories Licensing Corporation
- Kuan-Chieh YEN
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
LOUDNESS ADJUSTMENT FOR DOWNMIXED AUDIO CONTENT
- Publication number 20230188918
- Publication date Jun 15, 2023
- Dolby Laboratories Licensing Corporation
- Michael C. Ward
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SPATIAL AUDIO DOWNMIXING
- Publication number 20230144903
- Publication date May 11, 2023
- Apple Inc.
- Christopher T. Eubank
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
NOISE FILLING IN MULTICHANNEL AUDIO CODING
- Publication number 20230132885
- Publication date May 4, 2023
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Maria Luis VALERO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
INTER-CHANNEL PHASE DIFFERENCE PARAMETER ENCODING METHOD AND APPARATUS
- Publication number 20230131892
- Publication date Apr 27, 2023
- Huawei Technologies Co., Ltd
- Xingtao Zhang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
METHODS FOR PARAMETRIC MULTI-CHANNEL ENCODING
- Publication number 20230123244
- Publication date Apr 20, 2023
- DOLBY INTERNATIONAL AB
- TOBIAS FRIEDRICH
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System and method for adaptive audio signal generation, coding and...

Methods, apparatus and system for rendering an audio program

Delay estimation method and apparatus

Multichannel audio signal processing method, apparatus, and system

Ambience audio representation and associated rendering

Joint noise and echo suppression for two-way audio communication en...

Method for processing an audio signal, signal processing unit, bina...

Apparatus and method for low delay object metadata coding

Orientation-aware surround sound playback

Reconstruction of audio scenes from a downmix

Audio processing apparatus and method for denoising a multi-channel...

Noise filling in multichannel audio coding

Apparatus and method for estimating an inter-channel time difference

Method and apparatus for rendering volume sound source

Method and signal processing unit for mapping a plurality of input...

Parametric stereo upmix apparatus, a parametric stereo decoder, a p...

Sound signal processor and control method therefor

Method for processing an audio signal in accordance with a room imp...

Audio decoder for interleaving signals

Spatial audio downmixing

Methods for parametric multi-channel encoding

Method and device for processing internal channels for low complexi...

Audio channel spatial translation

Audio encoding and decoding using presentation transform parameters

Methods, apparatus and systems for encoding and decoding of multi-c...

Apparatus and method for generating a plurality of audio channels

Method and apparatus for rendering sound signal, and computer-reada...

Methods and apparatus for decoding encoded audio signal(s)

Method of rendering one or more captured audio soundfields to a lis...

Representing spatial audio by means of an audio signal and associat...

Patents Applicationslast 30 patents

IMMERSIVE VOICE AND AUDIO SERVICES (IVAS) WITH ADAPTIVE DOWNMIX STR...

NOISE FILLING IN MULTICHANNEL AUDIO CODING

ADVANCED STEREO CODING BASED ON A COMBINATION OF ADAPTIVELY SELECTA...

METHOD FOR PROCESSING AN AUDIO SIGNAL IN ACCORDANCE WITH A ROOM IMP...

PARAMETRIC STEREO UPMIX APPARATUS, A PARAMETRIC STEREO DECODER, A P...

REPRESENTING SPATIAL AUDIO BY MEANS OF AN AUDIO SIGNAL AND ASSOCIAT...

PROGRESSIVE CALCULATION AND APPLICATION OF RENDERING CONFIGURATIONS...

Audio Encoding and Decoding Using Presentation Transform Parameters

METHOD OF RENDERING ONE OR MORE CAPTURED AUDIO SOUNDFIELDS TO A LIS...

AUDIO ENCODER, AUDIO DECODER, METHODS AND COMPUTER PROGRAM USING JO...

AUDIO SPATIALIZATION

REAL-TIME LOW-COMPLEXITY STEREO SPEECH ENHANCEMENT WITH SPATIAL CUE...

AUDIO DATA PROCESSING METHOD AND APPARATUS, TERMINAL AND COMPUTER-R...

Sound Signal Processor and Control Method Therefor

APPARATUS AND METHOD FOR AUDIO RENDERING EMPLOYING A GEOMETRIC DIST...

AUDIO DECODER FOR AUDIO CHANNEL RECONSTRUCTION

SOUND SIGNAL DOWNMIXING METHOD, SOUND SIGNAL CODING METHOD, SOUND S...

DECODING OF AUDIO SCENES

RECONSTRUCTION OF AUDIO SCENES FROM A DOWNMIX

METHODS AND SYSTEMS FOR DESIGNING AND APPLYING NUMERICALLY OPTIMIZE...

STEREO AUDIO ENCODER AND DECODER

APPARATUS AND METHOD FOR ENCODING A PLURALITY OF AUDIO OBJECTS USIN...

BINAURAL MULTI-CHANNEL DECODER IN THE CONTEXT OF NON-ENERGY-CONSERV...

APPARATUS AND METHOD FOR GENERATING A DIFFUSE REVERBERATION SIGNAL

Generating Binaural Audio in Response to Multi-Channel Audio Using...

LOUDNESS ADJUSTMENT FOR DOWNMIXED AUDIO CONTENT

SPATIAL AUDIO DOWNMIXING

NOISE FILLING IN MULTICHANNEL AUDIO CODING

INTER-CHANNEL PHASE DIFFERENCE PARAMETER ENCODING METHOD AND APPARATUS

METHODS FOR PARAMETRIC MULTI-CHANNEL ENCODING