KR20170010792A - 고차 앰비소닉 계수들의 폐쇄 루프 양자화 - Google Patents

고차 앰비소닉 계수들의 폐쇄 루프 양자화 Download PDF

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KR20170010792A
KR20170010792A KR1020167034841A KR20167034841A KR20170010792A KR 20170010792 A KR20170010792 A KR 20170010792A KR 1020167034841 A KR1020167034841 A KR 1020167034841A KR 20167034841 A KR20167034841 A KR 20167034841A KR 20170010792 A KR20170010792 A KR 20170010792A
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South Korea
Prior art keywords
audio object
audio
quantization
direction information
information associated
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KR1020167034841A
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English (en)
Korean (ko)
Inventor
무영 김
닐스 귄터 페터스
디판잔 센
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퀄컴 인코포레이티드
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stereophonic System (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
KR1020167034841A 2014-05-16 2015-05-15 고차 앰비소닉 계수들의 폐쇄 루프 양자화 Withdrawn KR20170010792A (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201461994493P 2014-05-16 2014-05-16
US201461994788P 2014-05-16 2014-05-16
US61/994,788 2014-05-16
US61/994,493 2014-05-16
US201462004082P 2014-05-28 2014-05-28
US62/004,082 2014-05-28
US14/712,638 US9959876B2 (en) 2014-05-16 2015-05-14 Closed loop quantization of higher order ambisonic coefficients
US14/712,638 2015-05-14
PCT/US2015/031107 WO2015175953A1 (en) 2014-05-16 2015-05-15 Closed loop quantization of higher order ambisonic coefficients

Publications (1)

Publication Number Publication Date
KR20170010792A true KR20170010792A (ko) 2017-02-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167034841A Withdrawn KR20170010792A (ko) 2014-05-16 2015-05-15 고차 앰비소닉 계수들의 폐쇄 루프 양자화

Country Status (6)

Country Link
US (1) US9959876B2 (enExample)
EP (1) EP3143618B1 (enExample)
JP (1) JP2017520785A (enExample)
KR (1) KR20170010792A (enExample)
CN (1) CN106471576B (enExample)
WO (1) WO2015175953A1 (enExample)

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US9716959B2 (en) * 2013-05-29 2017-07-25 Qualcomm Incorporated Compensating for error in decomposed representations of sound fields
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
CN110019719B (zh) * 2017-12-15 2023-04-25 微软技术许可有限责任公司 基于断言的问答
US12056594B2 (en) * 2018-06-27 2024-08-06 International Business Machines Corporation Low precision deep neural network enabled by compensation instructions
US12308034B2 (en) 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
US11538489B2 (en) 2019-06-24 2022-12-27 Qualcomm Incorporated Correlating scene-based audio data for psychoacoustic audio coding
US11361776B2 (en) * 2019-06-24 2022-06-14 Qualcomm Incorporated Coding scaled spatial components
US12142285B2 (en) 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
GB2615236A (en) * 2020-09-25 2023-08-02 Apple Inc Higher order ambisonics encoding and decoding
CN115410585A (zh) * 2021-05-29 2022-11-29 华为技术有限公司 音频数据编解码方法和相关装置及计算机可读存储介质

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US7299190B2 (en) * 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
WO2007102782A2 (en) * 2006-03-07 2007-09-13 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for audio coding and decoding
US7933770B2 (en) * 2006-07-14 2011-04-26 Siemens Audiologische Technik Gmbh Method and device for coding audio data based on vector quantisation
MY144273A (en) * 2006-10-16 2011-08-29 Fraunhofer Ges Forschung Apparatus and method for multi-chennel parameter transformation
US20080232601A1 (en) * 2007-03-21 2008-09-25 Ville Pulkki Method and apparatus for enhancement of audio reconstruction
CA2691993C (en) 2007-06-11 2015-01-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder for encoding an audio signal having an impulse-like portion and stationary portion, encoding methods, decoder, decoding method, and encoded audio signal
JP5726874B2 (ja) * 2009-08-14 2015-06-03 ディーティーエス・エルエルシーＤｔｓ Ｌｌｃ オブジェクト指向オーディオストリーミングシステム
EP2469741A1 (en) 2010-12-21 2012-06-27 Thomson Licensing Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
EP2673771B1 (en) 2011-02-09 2016-06-01 Telefonaktiebolaget LM Ericsson (publ) Efficient encoding/decoding of audio signals
BR122020023350B1 (pt) * 2011-04-21 2021-04-20 Samsung Electronics Co., Ltd método de quantização
ES2657802T3 (es) * 2011-11-02 2018-03-06 Telefonaktiebolaget Lm Ericsson (Publ) Decodificación de audio basada en una representación eficiente de coeficientes autoregresivos
US9761229B2 (en) * 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
US9716959B2 (en) 2013-05-29 2017-07-25 Qualcomm Incorporated Compensating for error in decomposed representations of sound fields
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients

Also Published As

Publication number Publication date
JP2017520785A (ja) 2017-07-27
CN106471576A (zh) 2017-03-01
CN106471576B (zh) 2019-08-27
EP3143618A1 (en) 2017-03-22
US9959876B2 (en) 2018-05-01
WO2015175953A1 (en) 2015-11-19
EP3143618B1 (en) 2019-11-13
US20150332681A1 (en) 2015-11-19

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PA0105 International application

Patent event date: 20161213

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination