TWI367478B - Reduced computational complexity of bit allocation for perceptual coding - Google Patents

Reduced computational complexity of bit allocation for perceptual coding

Info

Publication number
TWI367478B
TWI367478B TW094109766A TW94109766A TWI367478B TW I367478 B TWI367478 B TW I367478B TW 094109766 A TW094109766 A TW 094109766A TW 94109766 A TW94109766 A TW 94109766A TW I367478 B TWI367478 B TW I367478B
Authority
TW
Taiwan
Prior art keywords
bit allocation
computational complexity
reduced computational
perceptual coding
perceptual
Prior art date
Application number
TW094109766A
Other languages
English (en)
Other versions
TW200620244A (en
Inventor
Stephen Decker Vernon
Charles Quito Robinson
Robert Loring Andersen
Original Assignee
Dolby Lab Licensing Corp
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 Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of TW200620244A publication Critical patent/TW200620244A/zh
Application granted granted Critical
Publication of TWI367478B publication Critical patent/TWI367478B/zh

Links

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
    • G10L19/02—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/035—Scalar quantisation
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW094109766A 2004-04-20 2005-03-29 Reduced computational complexity of bit allocation for perceptual coding TWI367478B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/829,453 US7406412B2 (en) 2004-04-20 2004-04-20 Reduced computational complexity of bit allocation for perceptual coding

Publications (2)

Publication Number Publication Date
TW200620244A TW200620244A (en) 2006-06-16
TWI367478B true TWI367478B (en) 2012-07-01

Family

ID=34963473

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094109766A TWI367478B (en) 2004-04-20 2005-03-29 Reduced computational complexity of bit allocation for perceptual coding

Country Status (14)

Country Link
US (1) US7406412B2 (zh)
EP (1) EP1738354B1 (zh)
JP (1) JP4903130B2 (zh)
KR (1) KR101126535B1 (zh)
CN (1) CN1942930B (zh)
AU (1) AU2005239290B2 (zh)
BR (1) BRPI0510065A (zh)
CA (1) CA2561435C (zh)
HK (1) HK1097081A1 (zh)
IL (1) IL178124A0 (zh)
MX (1) MXPA06010866A (zh)
MY (1) MY142333A (zh)
TW (1) TWI367478B (zh)
WO (1) WO2005106851A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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JP4635709B2 (ja) * 2005-05-10 2011-02-23 ソニー株式会社 音声符号化装置及び方法、並びに音声復号装置及び方法
CN101101755B (zh) * 2007-07-06 2011-04-27 北京中星微电子有限公司 一种音频编码的比特分配及量化方法及音频编码装置
US20100080286A1 (en) * 2008-07-22 2010-04-01 Sunghoon Hong Compression-aware, video pre-processor working with standard video decompressors
CN101425293B (zh) * 2008-09-24 2011-06-08 天津大学 一种高效感知音频比特分配方法
KR101610765B1 (ko) * 2008-10-31 2016-04-11 삼성전자주식회사 음성 신호의 부호화/복호화 방법 및 장치
US8700410B2 (en) * 2009-06-18 2014-04-15 Texas Instruments Incorporated Method and system for lossless value-location encoding
KR20140017338A (ko) * 2012-07-31 2014-02-11 인텔렉추얼디스커버리 주식회사 오디오 신호 처리 장치 및 방법
CN104703093B (zh) * 2013-12-09 2018-07-17 中国移动通信集团公司 一种音频输出方法及装置
CN111933162B (zh) * 2020-08-08 2024-03-26 北京百瑞互联技术股份有限公司 一种优化lc3编码器残差编码和噪声估计编码的方法

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US5924060A (en) 1986-08-29 1999-07-13 Brandenburg; Karl Heinz Digital coding process for transmission or storage of acoustical signals by transforming of scanning values into spectral coefficients
DE3639753A1 (de) * 1986-11-21 1988-06-01 Inst Rundfunktechnik Gmbh Verfahren zum uebertragen digitalisierter tonsignale
JP3188013B2 (ja) 1993-02-19 2001-07-16 松下電器産業株式会社 変換符号化装置のビット配分方法
JP3131542B2 (ja) * 1993-11-25 2001-02-05 シャープ株式会社 符号化復号化装置
KR0144011B1 (ko) 1994-12-31 1998-07-15 김주용 엠펙 오디오 데이타 고속 비트 할당 및 최적 비트 할당 방법
US5825320A (en) * 1996-03-19 1998-10-20 Sony Corporation Gain control method for audio encoding device
JPH09274500A (ja) * 1996-04-09 1997-10-21 Matsushita Electric Ind Co Ltd ディジタルオーディオ信号の符号化方法
DE19629132A1 (de) * 1996-07-19 1998-01-22 Daimler Benz Ag Verfahren zur Verringerung von Störungen eines Sprachsignals
DE19638546A1 (de) * 1996-09-20 1998-03-26 Thomson Brandt Gmbh Verfahren und Schaltungsanordnung zur Kodierung oder Dekodierung von Audiosignalen
JP3515903B2 (ja) 1998-06-16 2004-04-05 松下電器産業株式会社 オーディオ符号化のための動的ビット割り当て方法及び装置
JP2002268693A (ja) * 2001-03-12 2002-09-20 Mitsubishi Electric Corp オーディオ符号化装置
JP3942882B2 (ja) * 2001-12-10 2007-07-11 シャープ株式会社 ディジタル信号符号化装置およびそれを備えたディジタル信号記録装置
US7027982B2 (en) 2001-12-14 2006-04-11 Microsoft Corporation Quality and rate control strategy for digital audio
US20040002859A1 (en) 2002-06-26 2004-01-01 Chi-Min Liu Method and architecture of digital conding for transmitting and packing audio signals
US7318027B2 (en) * 2003-02-06 2008-01-08 Dolby Laboratories Licensing Corporation Conversion of synthesized spectral components for encoding and low-complexity transcoding

Also Published As

Publication number Publication date
KR101126535B1 (ko) 2012-03-23
HK1097081A1 (en) 2007-06-15
CN1942930A (zh) 2007-04-04
US7406412B2 (en) 2008-07-29
IL178124A0 (en) 2006-12-31
AU2005239290A1 (en) 2005-11-10
BRPI0510065A (pt) 2007-10-16
CN1942930B (zh) 2010-11-03
WO2005106851A1 (en) 2005-11-10
AU2005239290B2 (en) 2008-12-11
EP1738354B1 (en) 2013-07-24
MY142333A (en) 2010-11-15
JP4903130B2 (ja) 2012-03-28
MXPA06010866A (es) 2006-12-15
KR20070001233A (ko) 2007-01-03
TW200620244A (en) 2006-06-16
EP1738354A1 (en) 2007-01-03
CA2561435C (en) 2013-12-24
JP2007534986A (ja) 2007-11-29
US20050234716A1 (en) 2005-10-20
CA2561435A1 (en) 2005-11-10

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