KR102503904B1 - 파라메트릭 오디오 디코딩 - Google Patents

파라메트릭 오디오 디코딩 Download PDF

Info

Publication number
KR102503904B1
KR102503904B1 KR1020197009987A KR20197009987A KR102503904B1 KR 102503904 B1 KR102503904 B1 KR 102503904B1 KR 1020197009987 A KR1020197009987 A KR 1020197009987A KR 20197009987 A KR20197009987 A KR 20197009987A KR 102503904 B1 KR102503904 B1 KR 102503904B1
Authority
KR
South Korea
Prior art keywords
frequency
value
stereo parameter
output signal
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
KR1020197009987A
Other languages
English (en)
Korean (ko)
Other versions
KR20190064584A (ko
Inventor
벤카타 수브라마니암 찬드라 세카르 체비얌
벤카트라만 아티
Original Assignee
퀄컴 인코포레이티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Priority to KR1020237006383A priority Critical patent/KR102761057B1/ko
Publication of KR20190064584A publication Critical patent/KR20190064584A/ko
Application granted granted Critical
Publication of KR102503904B1 publication Critical patent/KR102503904B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • G10L19/0204—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 using subband decomposition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
KR1020197009987A 2016-10-13 2017-09-20 파라메트릭 오디오 디코딩 Active KR102503904B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020237006383A KR102761057B1 (ko) 2016-10-13 2017-09-20 파라메트릭 오디오 디코딩

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662407843P 2016-10-13 2016-10-13
US62/407,843 2016-10-13
US15/708,717 2017-09-19
US15/708,717 US10362423B2 (en) 2016-10-13 2017-09-19 Parametric audio decoding
PCT/US2017/052554 WO2018071150A1 (en) 2016-10-13 2017-09-20 Parametric audio decoding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020237006383A Division KR102761057B1 (ko) 2016-10-13 2017-09-20 파라메트릭 오디오 디코딩

Publications (2)

Publication Number Publication Date
KR20190064584A KR20190064584A (ko) 2019-06-10
KR102503904B1 true KR102503904B1 (ko) 2023-02-24

Family

ID=61902837

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020237006383A Active KR102761057B1 (ko) 2016-10-13 2017-09-20 파라메트릭 오디오 디코딩
KR1020197009987A Active KR102503904B1 (ko) 2016-10-13 2017-09-20 파라메트릭 오디오 디코딩

Family Applications Before (1)

Application Number Title Priority Date Filing Date
KR1020237006383A Active KR102761057B1 (ko) 2016-10-13 2017-09-20 파라메트릭 오디오 디코딩

Country Status (10)

Country Link
US (5) US10362423B2 (enExample)
EP (1) EP3526791B1 (enExample)
JP (1) JP6987856B2 (enExample)
KR (2) KR102761057B1 (enExample)
CN (2) CN109804430B (enExample)
AU (1) AU2017342737B2 (enExample)
BR (1) BR112019007240A2 (enExample)
ES (1) ES2846281T3 (enExample)
TW (1) TWI763717B (enExample)
WO (1) WO2018071150A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE48462E1 (en) * 2009-07-29 2021-03-09 Northwestern University Systems, methods, and apparatus for equalization preference learning
US10362423B2 (en) 2016-10-13 2019-07-23 Qualcomm Incorporated Parametric audio decoding
US11514921B2 (en) * 2019-09-26 2022-11-29 Apple Inc. Audio return channel data loopback
CN116391171A (zh) * 2020-09-01 2023-07-04 苹果公司 动态改变音频特性
WO2023031498A1 (en) * 2021-08-30 2023-03-09 Nokia Technologies Oy Silence descriptor using spatial parameters
CN115277592B (zh) * 2022-07-20 2023-04-11 哈尔滨市科佳通用机电股份有限公司 一种机车信号设备在信号切换时的解码方法
CN119580735B (zh) * 2025-02-06 2025-04-25 泉州市二谷电子科技有限公司 一种数控系统的远程语音控制方法及系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090198356A1 (en) 2008-02-04 2009-08-06 Creative Technology Ltd Primary-Ambient Decomposition of Stereo Audio Signals Using a Complex Similarity Index
WO2011107951A1 (en) 2010-03-02 2011-09-09 Nokia Corporation Method and apparatus for upmixing a two-channel audio signal
US20150213806A1 (en) 2012-10-05 2015-07-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoder, decoder and methods for backward compatible multi-resolution spatial-audio-object-coding
US20160035361A1 (en) 2009-01-28 2016-02-04 Dolby International Ab Harmonic Transposition in an Audio Coding Method and System
US20160189723A1 (en) 2004-03-01 2016-06-30 Dolby Laboratories Licensing Corporation Reconstructing Audio Signals With Multiple Decorrelation Techniques

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7583805B2 (en) * 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
EP1611772A1 (en) * 2003-03-04 2006-01-04 Nokia Corporation Support of a multichannel audio extension
WO2006060279A1 (en) * 2004-11-30 2006-06-08 Agere Systems Inc. Parametric coding of spatial audio with object-based side information
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
US8379868B2 (en) * 2006-05-17 2013-02-19 Creative Technology Ltd Spatial audio coding based on universal spatial cues
KR20130069833A (ko) * 2008-10-08 2013-06-26 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중 분해능 스위치드 오디오 부호화/복호화 방법
US8457975B2 (en) * 2009-01-28 2013-06-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program
EP2720222A1 (en) 2012-10-10 2014-04-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for efficient synthesis of sinusoids and sweeps by employing spectral patterns
EP2981960B1 (en) 2013-04-05 2019-03-13 Dolby International AB Stereo audio encoder and decoder
EP2838086A1 (en) * 2013-07-22 2015-02-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. In an reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment
EP2830064A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
US9293143B2 (en) * 2013-12-11 2016-03-22 Qualcomm Incorporated Bandwidth extension mode selection
US10163447B2 (en) * 2013-12-16 2018-12-25 Qualcomm Incorporated High-band signal modeling
US10362423B2 (en) 2016-10-13 2019-07-23 Qualcomm Incorporated Parametric audio decoding

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160189723A1 (en) 2004-03-01 2016-06-30 Dolby Laboratories Licensing Corporation Reconstructing Audio Signals With Multiple Decorrelation Techniques
US20090198356A1 (en) 2008-02-04 2009-08-06 Creative Technology Ltd Primary-Ambient Decomposition of Stereo Audio Signals Using a Complex Similarity Index
US20160035361A1 (en) 2009-01-28 2016-02-04 Dolby International Ab Harmonic Transposition in an Audio Coding Method and System
WO2011107951A1 (en) 2010-03-02 2011-09-09 Nokia Corporation Method and apparatus for upmixing a two-channel audio signal
US20150213806A1 (en) 2012-10-05 2015-07-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoder, decoder and methods for backward compatible multi-resolution spatial-audio-object-coding

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
HERRE, Jurgen, et al. MPEG-H 3D audio - the new standard for coding of immersive spatial audio. IEEE Journal of Selected Topics in Signal Processing, 2015.08
ISO/IEC DIS 23008-3. Information technology - High efficiency coding and media delivery in heterogeneous environments - Part 3: 3D audio. ISO/IEC JTC 1/SC 29/WG 11. 2014.08.05.
Jurgen Herre, et al. MPEG Surround - The ISO/MPEG Standard for Efficient and Compatible Multi-ChannelAudio Coding. Audio Engineering Society Convention 122, 2007.05.08., Vol.56,No.11, pp.1-23.

Also Published As

Publication number Publication date
CN116453528A (zh) 2023-07-18
TW201816775A (zh) 2018-05-01
WO2018071150A1 (en) 2018-04-19
US20180109896A1 (en) 2018-04-19
US10362423B2 (en) 2019-07-23
KR20230030055A (ko) 2023-03-03
US12022274B2 (en) 2024-06-25
TWI763717B (zh) 2022-05-11
US20210385601A1 (en) 2021-12-09
EP3526791A1 (en) 2019-08-21
KR20190064584A (ko) 2019-06-10
JP6987856B2 (ja) 2022-01-05
US11102600B2 (en) 2021-08-24
AU2017342737A1 (en) 2019-03-28
KR102761057B1 (ko) 2025-01-31
CN109804430B (zh) 2023-05-12
US11716584B2 (en) 2023-08-01
US10757521B2 (en) 2020-08-25
US20200336853A1 (en) 2020-10-22
EP3526791B1 (en) 2020-10-21
ES2846281T3 (es) 2021-07-28
AU2017342737B2 (en) 2022-01-20
JP2019535207A (ja) 2019-12-05
BR112019007240A2 (pt) 2019-07-02
CN109804430A (zh) 2019-05-24
US20190297444A1 (en) 2019-09-26
US20240031755A1 (en) 2024-01-25

Similar Documents

Publication Publication Date Title
US12022274B2 (en) Parametric audio decoding
AU2018266531B2 (en) Stereo parameters for stereo decoding
US20190147895A1 (en) Coding of multiple audio signals
AU2018291865B2 (en) High-band residual prediction with time-domain inter-channel bandwidth extension
AU2017394681B2 (en) Inter-channel phase difference parameter modification
AU2018217052B2 (en) Multi channel decoding

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20190408

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20200903

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20220907

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20221121

A107 Divisional application of patent
GRNT Written decision to grant
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20230222

PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20230222

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20230222

End annual number: 3

Start annual number: 1

PG1601 Publication of registration