KR102580989B1 - 오디오 신호들 사이의 채널간 위상 차이들의 인코딩 및 디코딩 - Google Patents

오디오 신호들 사이의 채널간 위상 차이들의 인코딩 및 디코딩 Download PDF

Info

Publication number
KR102580989B1
KR102580989B1 KR1020187036631A KR20187036631A KR102580989B1 KR 102580989 B1 KR102580989 B1 KR 102580989B1 KR 1020187036631 A KR1020187036631 A KR 1020187036631A KR 20187036631 A KR20187036631 A KR 20187036631A KR 102580989 B1 KR102580989 B1 KR 102580989B1
Authority
KR
South Korea
Prior art keywords
ipd
signal
inter
audio signal
values
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
KR1020187036631A
Other languages
English (en)
Korean (ko)
Other versions
KR20190026671A (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
Publication of KR20190026671A publication Critical patent/KR20190026671A/ko
Application granted granted Critical
Publication of KR102580989B1 publication Critical patent/KR102580989B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020187036631A 2016-06-20 2017-06-13 오디오 신호들 사이의 채널간 위상 차이들의 인코딩 및 디코딩 Active KR102580989B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662352481P 2016-06-20 2016-06-20
US62/352,481 2016-06-20
US15/620,695 US10217467B2 (en) 2016-06-20 2017-06-12 Encoding and decoding of interchannel phase differences between audio signals
US15/620,695 2017-06-12
PCT/US2017/037198 WO2017222871A1 (en) 2016-06-20 2017-06-13 Encoding and decoding of interchannel phase differences between audio signals

Publications (2)

Publication Number Publication Date
KR20190026671A KR20190026671A (ko) 2019-03-13
KR102580989B1 true KR102580989B1 (ko) 2023-09-21

Family

ID=60659725

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187036631A Active KR102580989B1 (ko) 2016-06-20 2017-06-13 오디오 신호들 사이의 채널간 위상 차이들의 인코딩 및 디코딩

Country Status (10)

Country Link
US (3) US10217467B2 (enExample)
EP (1) EP3472833B1 (enExample)
JP (1) JP6976974B2 (enExample)
KR (1) KR102580989B1 (enExample)
CN (1) CN109313906B (enExample)
BR (1) BR112018075831A2 (enExample)
CA (1) CA3024146A1 (enExample)
ES (1) ES2823294T3 (enExample)
TW (1) TWI724184B (enExample)
WO (1) WO2017222871A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10109284B2 (en) 2016-02-12 2018-10-23 Qualcomm Incorporated Inter-channel encoding and decoding of multiple high-band audio signals
CN107452387B (zh) * 2016-05-31 2019-11-12 华为技术有限公司 一种声道间相位差参数的提取方法及装置
US10217467B2 (en) 2016-06-20 2019-02-26 Qualcomm Incorporated Encoding and decoding of interchannel phase differences between audio signals
CN108269577B (zh) 2016-12-30 2019-10-22 华为技术有限公司 立体声编码方法及立体声编码器
US10304468B2 (en) 2017-03-20 2019-05-28 Qualcomm Incorporated Target sample generation
CN109215668B (zh) * 2017-06-30 2021-01-05 华为技术有限公司 一种声道间相位差参数的编码方法及装置
US10535357B2 (en) 2017-10-05 2020-01-14 Qualcomm Incorporated Encoding or decoding of audio signals
IT201800000555A1 (it) * 2018-01-04 2019-07-04 St Microelectronics Srl Architettura di decodifica di riga per un dispositivo di memoria non volatile a cambiamento di fase e relativo metodo di decodifica di riga
US10586546B2 (en) 2018-04-26 2020-03-10 Qualcomm Incorporated Inversely enumerated pyramid vector quantizers for efficient rate adaptation in audio coding
US10580424B2 (en) * 2018-06-01 2020-03-03 Qualcomm Incorporated Perceptual audio coding as sequential decision-making problems
US10734006B2 (en) 2018-06-01 2020-08-04 Qualcomm Incorporated Audio coding based on audio pattern recognition
CN113544774B (zh) 2019-03-06 2024-08-20 弗劳恩霍夫应用研究促进协会 降混器及降混方法
CN113259083B (zh) * 2021-07-13 2021-09-28 成都德芯数字科技股份有限公司 一种调频同步网相位同步方法
US12413907B2 (en) 2022-07-13 2025-09-09 Elite Semiconductor Microelectronics Technology Inc. Device and method for audio signal processing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140112482A1 (en) * 2012-04-05 2014-04-24 Huawei Technologies Co., Ltd. Method for Parametric Spatial Audio Coding and Decoding, Parametric Spatial Audio Coder and Parametric Spatial Audio Decoder
US20160133262A1 (en) 2013-07-22 2016-05-12 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050159942A1 (en) 2004-01-15 2005-07-21 Manoj Singhal Classification of speech and music using linear predictive coding coefficients
JP5256196B2 (ja) * 2006-07-04 2013-08-07 韓國電子通信研究院 Ｈｅ−ａａｃデコーダ及びｍｐｅｇサラウンドデコーダを用いてマルチチャネルオーディオ信号を復元する装置及び方法
RU2475868C2 (ru) * 2008-06-13 2013-02-20 Нокиа Корпорейшн Способ и устройство для маскирования ошибок кодированных аудиоданных
EP2169665B1 (en) 2008-09-25 2018-05-02 LG Electronics Inc. A method and an apparatus for processing a signal
WO2010097748A1 (en) * 2009-02-27 2010-09-02 Koninklijke Philips Electronics N.V. Parametric stereo encoding and decoding
US8620672B2 (en) 2009-06-09 2013-12-31 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for phase-based processing of multichannel signal
EP4593010A3 (en) * 2010-04-09 2025-08-27 Dolby International AB Mdct-based complex prediction stereo decoding
CN103262159B (zh) 2010-10-05 2016-06-08 华为技术有限公司 用于对多声道音频信号进行编码/解码的方法和装置
CN103534753B (zh) 2012-04-05 2015-05-27 华为技术有限公司 用于信道间差估计的方法和空间音频编码装置
BR112015028409B1 (pt) * 2013-05-16 2022-05-31 Koninklijke Philips N.V. Aparelho de áudio e método de processamento de áudio
CN104681029B (zh) 2013-11-29 2018-06-05 华为技术有限公司 立体声相位参数的编码方法及装置
US9747910B2 (en) * 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
US10217467B2 (en) 2016-06-20 2019-02-26 Qualcomm Incorporated Encoding and decoding of interchannel phase differences between audio signals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140112482A1 (en) * 2012-04-05 2014-04-24 Huawei Technologies Co., Ltd. Method for Parametric Spatial Audio Coding and Decoding, Parametric Spatial Audio Coder and Parametric Spatial Audio Decoder
US20160133262A1 (en) 2013-07-22 2016-05-12 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
7 kHz audio-coding within 64 kbit/s: New Annex D with stereo embedded extension. ITU-T DRAFT Study Period 2009-2012. 2012.05.08.
Jonas Lindblom, et al. Flexible sum-difference stereo coding based on time-aligned signal components. IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2005.10.16.

Also Published As

Publication number Publication date
US20190147893A1 (en) 2019-05-16
US10217467B2 (en) 2019-02-26
KR20190026671A (ko) 2019-03-13
JP2019522233A (ja) 2019-08-08
CA3024146A1 (en) 2017-12-28
US20170365260A1 (en) 2017-12-21
BR112018075831A2 (pt) 2019-03-19
US20200082833A1 (en) 2020-03-12
EP3472833A1 (en) 2019-04-24
US11127406B2 (en) 2021-09-21
ES2823294T3 (es) 2021-05-06
TW201802798A (zh) 2018-01-16
CN109313906B (zh) 2023-07-28
US10672406B2 (en) 2020-06-02
CN109313906A (zh) 2019-02-05
JP6976974B2 (ja) 2021-12-08
WO2017222871A1 (en) 2017-12-28
EP3472833B1 (en) 2020-07-08
TWI724184B (zh) 2021-04-11

Similar Documents

Publication Publication Date Title
KR102580989B1 (ko) 오디오 신호들 사이의 채널간 위상 차이들의 인코딩 및 디코딩
US9978381B2 (en) Encoding of multiple audio signals
KR102208602B1 (ko) 채널간 대역폭 확장
KR102263550B1 (ko) 다중 오디오 신호들의 코딩
US10224042B2 (en) Encoding of multiple audio signals
CN111149158B (zh) 音频信号的解码
TWI713819B (zh) 用於頻譜映射及調整之計算裝置及方法
US10210874B2 (en) Multi channel coding
HK40009598A (en) Inter-channel bandwidth extension
HK40009598B (en) Inter-channel bandwidth extension

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20181217

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20200528

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: 20220808

Patent event code: PE09021S01D

E90F Notification of reason for final refusal
PE0902 Notice of grounds for rejection

Comment text: Final Notice of Reason for Refusal

Patent event date: 20230221

Patent event code: PE09021S02D

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: 20230816

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20230918

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20230918

End annual number: 3

Start annual number: 1

PG1601 Publication of registration