CN1293534C - 参数编码器和参数编码方法及参数译码器和参数译码方法 - Google Patents
参数编码器和参数编码方法及参数译码器和参数译码方法 Download PDFInfo
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- CN1293534C CN1293534C CNB018094295A CN01809429A CN1293534C CN 1293534 C CN1293534 C CN 1293534C CN B018094295 A CNB018094295 A CN B018094295A CN 01809429 A CN01809429 A CN 01809429A CN 1293534 C CN1293534 C CN 1293534C
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- 238000000034 method Methods 0.000 claims description 31
- 238000011156 evaluation Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000005457 optimization Methods 0.000 description 2
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 1
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- 238000001228 spectrum Methods 0.000 description 1
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Classifications
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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
-
- 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
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- 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)
Abstract
Description
Claims (12)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01200142.6 | 2001-01-16 | ||
EP01200142 | 2001-01-16 | ||
EP01202612 | 2001-07-06 | ||
EP01202612.6 | 2001-07-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1429384A CN1429384A (zh) | 2003-07-09 |
CN1293534C true CN1293534C (zh) | 2007-01-03 |
Family
ID=26076810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018094295A Expired - Fee Related CN1293534C (zh) | 2001-01-16 | 2001-12-20 | 参数编码器和参数编码方法及参数译码器和参数译码方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7050970B2 (zh) |
JP (1) | JP2004518163A (zh) |
KR (1) | KR100849375B1 (zh) |
CN (1) | CN1293534C (zh) |
BR (1) | BR0109237A (zh) |
WO (1) | WO2002056299A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7640156B2 (en) * | 2003-07-18 | 2009-12-29 | Koninklijke Philips Electronics N.V. | Low bit-rate audio encoding |
FR2888699A1 (fr) * | 2005-07-13 | 2007-01-19 | France Telecom | Dispositif de codage/decodage hierachique |
KR101380170B1 (ko) * | 2007-08-31 | 2014-04-02 | 삼성전자주식회사 | 미디어 신호 인코딩/디코딩 방법 및 장치 |
KR101435411B1 (ko) * | 2007-09-28 | 2014-08-28 | 삼성전자주식회사 | 심리 음향 모델의 마스킹 효과에 따라 적응적으로 양자화간격을 결정하는 방법과 이를 이용한 오디오 신호의부호화/복호화 방법 및 그 장치 |
US9472199B2 (en) | 2011-09-28 | 2016-10-18 | Lg Electronics Inc. | Voice signal encoding method, voice signal decoding method, and apparatus using same |
CN106851482A (zh) * | 2017-03-24 | 2017-06-13 | 北京时代拓灵科技有限公司 | 一种全景声扬声器体感实时交互***及交互方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1193159A (zh) * | 1996-11-19 | 1998-09-16 | 索尼公司 | 语音编码译码方法和装置、电话装置、音调变换方法和介质 |
WO2000079519A1 (en) * | 1999-06-18 | 2000-12-28 | Koninklijke Philips Electronics N.V. | Audio transmission system having an improved encoder |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4937873A (en) * | 1985-03-18 | 1990-06-26 | Massachusetts Institute Of Technology | Computationally efficient sine wave synthesis for acoustic waveform processing |
US6029126A (en) | 1998-06-30 | 2000-02-22 | Microsoft Corporation | Scalable audio coder and decoder |
US6115689A (en) | 1998-05-27 | 2000-09-05 | Microsoft Corporation | Scalable audio coder and decoder |
-
2001
- 2001-12-20 WO PCT/IB2001/002696 patent/WO2002056299A1/en not_active Application Discontinuation
- 2001-12-20 JP JP2002556880A patent/JP2004518163A/ja not_active Withdrawn
- 2001-12-20 KR KR1020027012176A patent/KR100849375B1/ko not_active IP Right Cessation
- 2001-12-20 CN CNB018094295A patent/CN1293534C/zh not_active Expired - Fee Related
- 2001-12-20 BR BR0109237-5A patent/BR0109237A/pt not_active IP Right Cessation
-
2002
- 2002-01-14 US US10/046,472 patent/US7050970B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1193159A (zh) * | 1996-11-19 | 1998-09-16 | 索尼公司 | 语音编码译码方法和装置、电话装置、音调变换方法和介质 |
WO2000079519A1 (en) * | 1999-06-18 | 2000-12-28 | Koninklijke Philips Electronics N.V. | Audio transmission system having an improved encoder |
Also Published As
Publication number | Publication date |
---|---|
WO2002056299A1 (en) | 2002-07-18 |
US20020156621A1 (en) | 2002-10-24 |
BR0109237A (pt) | 2002-12-03 |
KR20020084206A (ko) | 2002-11-04 |
JP2004518163A (ja) | 2004-06-17 |
CN1429384A (zh) | 2003-07-09 |
KR100849375B1 (ko) | 2008-07-31 |
US7050970B2 (en) | 2006-05-23 |
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Owner name: PENDRAGON WIRELESS CO., LTD. Free format text: FORMER OWNER: IPG ELECTRONICS 503 LTD. Effective date: 20130114 Owner name: IPG ELECTRONICS 503 LTD. Free format text: FORMER OWNER: KONINKLIJKE PHILIPS ELECTRONICS N.V. Effective date: 20130114 |
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Effective date of registration: 20130114 Address after: Washington State Patentee after: Pendragon wireless LLC Address before: British Channel Islands Patentee before: IPG Electronics 503 Co.,Ltd. Effective date of registration: 20130114 Address after: British Channel Islands Patentee after: IPG Electronics 503 Co.,Ltd. Address before: Holland Ian Deho Finn Patentee before: KONINKLIJKE PHILIPS ELECTRONICS N.V. |
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