TWI333385B - Method and apparatus for encoding/decoding multi-channel audio signal - Google Patents

Method and apparatus for encoding/decoding multi-channel audio signal Download PDF

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Publication number
TWI333385B
TWI333385B TW095135786A TW95135786A TWI333385B TW I333385 B TWI333385 B TW I333385B TW 095135786 A TW095135786 A TW 095135786A TW 95135786 A TW95135786 A TW 95135786A TW I333385 B TWI333385 B TW I333385B
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TW
Taiwan
Prior art keywords
quantization
cld
channel
quantization table
quantized
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Application number
TW095135786A
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English (en)
Chinese (zh)
Other versions
TW200719746A (en
Inventor
Yang Won Jung
Hee Suk Pang
Hyen O Oh
Dong Soo Kim
Jae Hyun Lin
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Lg Electronics Inc
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Priority claimed from KR1020060065291A external-priority patent/KR20070035411A/ko
Priority claimed from KR1020060065290A external-priority patent/KR20070035410A/ko
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of TW200719746A publication Critical patent/TW200719746A/zh
Application granted granted Critical
Publication of TWI333385B publication Critical patent/TWI333385B/zh

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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
    • G10L19/02—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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
TW095135786A 2005-09-27 2006-09-27 Method and apparatus for encoding/decoding multi-channel audio signal TWI333385B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US72049505P 2005-09-27 2005-09-27
US75577706P 2006-01-04 2006-01-04
US78252106P 2006-03-16 2006-03-16
KR1020060065291A KR20070035411A (ko) 2005-09-27 2006-07-12 멀티 채널 오디오 신호의 공간 정보 부호화/복호화 방법 및장치
KR1020060065290A KR20070035410A (ko) 2005-09-27 2006-07-12 멀티 채널 오디오 신호의 공간 정보 부호화/복호화 방법 및장치

Publications (2)

Publication Number Publication Date
TW200719746A TW200719746A (en) 2007-05-16
TWI333385B true TWI333385B (en) 2010-11-11

Family

ID=37899989

Family Applications (2)

Application Number Title Priority Date Filing Date
TW095135786A TWI333385B (en) 2005-09-27 2006-09-27 Method and apparatus for encoding/decoding multi-channel audio signal
TW097151236A TWI404429B (zh) 2005-09-27 2006-09-27 用於將多頻道音訊信號編碼／解碼之方法與裝置

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW097151236A TWI404429B (zh) 2005-09-27 2006-09-27 用於將多頻道音訊信號編碼／解碼之方法與裝置

Country Status (5)

Country Link
US (2) US8090587B2 (https=)
EP (2) EP1943642A4 (https=)
JP (2) JP2009518659A (https=)
TW (2) TWI333385B (https=)
WO (2) WO2007037613A1 (https=)

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US10762910B2 (en) 2018-06-01 2020-09-01 Qualcomm Incorporated Hierarchical fine quantization for audio coding
CN112997248B (zh) * 2018-10-31 2024-11-01 诺基亚技术有限公司 确定空间音频参数的编码和相关联解码
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US12142285B2 (en) * 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
US11538489B2 (en) 2019-06-24 2022-12-27 Qualcomm Incorporated Correlating scene-based audio data for psychoacoustic audio coding
US12308034B2 (en) 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
CN112233682B (zh) * 2019-06-29 2024-07-16 华为技术有限公司 一种立体声编码方法、立体声解码方法和装置

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Also Published As

Publication number Publication date
HK1132576A1 (en) 2010-02-26
JP2009518659A (ja) 2009-05-07
WO2007037621A1 (en) 2007-04-05
TW200932030A (en) 2009-07-16
TW200719746A (en) 2007-05-16
EP1938313A1 (en) 2008-07-02
EP1938313A4 (en) 2009-06-24
TWI404429B (zh) 2013-08-01
US20090048847A1 (en) 2009-02-19
US7719445B2 (en) 2010-05-18
EP1943642A1 (en) 2008-07-16
EP1943642A4 (en) 2009-07-01
WO2007037613A1 (en) 2007-04-05
JP2009510514A (ja) 2009-03-12
US8090587B2 (en) 2012-01-03
US20080252510A1 (en) 2008-10-16

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