TWI367478B - Reduced computational complexity of bit allocation for perceptual coding - Google Patents
Reduced computational complexity of bit allocation for perceptual codingInfo
- 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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US20100324913A1 (en) * | 2009-06-18 | 2010-12-23 | Jacek Piotr Stachurski | Method and System for Block Adaptive Fractional-Bit Per Sample 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 | ***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 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2004
- 2004-04-20 US US10/829,453 patent/US7406412B2/en not_active Expired - Fee Related
-
2005
- 2005-03-18 AU AU2005239290A patent/AU2005239290B2/en not_active Ceased
- 2005-03-18 MX MXPA06010866A patent/MXPA06010866A/es active IP Right Grant
- 2005-03-18 CA CA2561435A patent/CA2561435C/en not_active Expired - Fee Related
- 2005-03-18 BR BRPI0510065-8A patent/BRPI0510065A/pt not_active IP Right Cessation
- 2005-03-18 EP EP05725890.7A patent/EP1738354B1/en not_active Not-in-force
- 2005-03-18 JP JP2007509471A patent/JP4903130B2/ja not_active Expired - Fee Related
- 2005-03-18 CN CN200580011796XA patent/CN1942930B/zh not_active Expired - Fee Related
- 2005-03-18 KR KR1020067021708A patent/KR101126535B1/ko not_active IP Right Cessation
- 2005-03-18 WO PCT/US2005/009083 patent/WO2005106851A1/en active Application Filing
- 2005-03-29 TW TW094109766A patent/TWI367478B/zh not_active IP Right Cessation
- 2005-04-18 MY MYPI20051694A patent/MY142333A/en unknown
-
2006
- 2006-09-14 IL IL178124A patent/IL178124A0/en not_active IP Right Cessation
-
2007
- 2007-02-15 HK HK07101779.8A patent/HK1097081A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2561435C (en) | 2013-12-24 |
CA2561435A1 (en) | 2005-11-10 |
CN1942930B (zh) | 2010-11-03 |
JP2007534986A (ja) | 2007-11-29 |
US7406412B2 (en) | 2008-07-29 |
CN1942930A (zh) | 2007-04-04 |
IL178124A0 (en) | 2006-12-31 |
MXPA06010866A (es) | 2006-12-15 |
TW200620244A (en) | 2006-06-16 |
AU2005239290B2 (en) | 2008-12-11 |
US20050234716A1 (en) | 2005-10-20 |
KR101126535B1 (ko) | 2012-03-23 |
AU2005239290A1 (en) | 2005-11-10 |
EP1738354B1 (en) | 2013-07-24 |
WO2005106851A1 (en) | 2005-11-10 |
MY142333A (en) | 2010-11-15 |
KR20070001233A (ko) | 2007-01-03 |
JP4903130B2 (ja) | 2012-03-28 |
BRPI0510065A (pt) | 2007-10-16 |
HK1097081A1 (en) | 2007-06-15 |
EP1738354A1 (en) | 2007-01-03 |
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Legal Events
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MM4A | Annulment or lapse of patent due to non-payment of fees |