JP5031829B2 - 符号化装置、復号化装置、符号化方法、復号化方法及びコンピュータで読み取り可能な記録媒体 - Google Patents
符号化装置、復号化装置、符号化方法、復号化方法及びコンピュータで読み取り可能な記録媒体 Download PDFInfo
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- JP5031829B2 JP5031829B2 JP2009516401A JP2009516401A JP5031829B2 JP 5031829 B2 JP5031829 B2 JP 5031829B2 JP 2009516401 A JP2009516401 A JP 2009516401A JP 2009516401 A JP2009516401 A JP 2009516401A JP 5031829 B2 JP5031829 B2 JP 5031829B2
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- 238000000034 method Methods 0.000 title claims description 84
- 230000005284 excitation Effects 0.000 claims description 158
- 238000001228 spectrum Methods 0.000 claims description 121
- 230000003044 adaptive effect Effects 0.000 claims description 82
- 230000015572 biosynthetic process Effects 0.000 claims description 23
- 238000003786 synthesis reaction Methods 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 21
- 239000000284 extract Substances 0.000 claims description 9
- 230000002087 whitening effect Effects 0.000 claims description 9
- 238000000695 excitation spectrum Methods 0.000 description 106
- 238000013139 quantization Methods 0.000 description 49
- 238000006243 chemical reaction Methods 0.000 description 37
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- 238000010586 diagram Methods 0.000 description 24
- 230000008859 change Effects 0.000 description 12
- 230000007774 longterm Effects 0.000 description 9
- 230000002194 synthesizing effect Effects 0.000 description 8
- 230000003595 spectral effect Effects 0.000 description 6
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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
- G10L19/0204—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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- 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
- G10L19/07—Line spectrum pair [LSP] vocoders
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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
- G10L19/04—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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
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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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
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- 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)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20060056070 | 2006-06-21 | ||
KR10-2006-0056070 | 2006-06-21 | ||
KR1020070060688A KR101390188B1 (ko) | 2006-06-21 | 2007-06-20 | 적응적 고주파수영역 부호화 및 복호화 방법 및 장치 |
KR10-2007-0060688 | 2007-06-20 | ||
PCT/KR2007/003007 WO2007148925A1 (en) | 2006-06-21 | 2007-06-21 | Method and apparatus for adaptively encoding and decoding high frequency band |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012143873A Division JP5684756B2 (ja) | 2006-06-21 | 2012-06-27 | 符号化方法及び復号化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009541790A JP2009541790A (ja) | 2009-11-26 |
JP5031829B2 true JP5031829B2 (ja) | 2012-09-26 |
Family
ID=39138888
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009516401A Active JP5031829B2 (ja) | 2006-06-21 | 2007-06-21 | 符号化装置、復号化装置、符号化方法、復号化方法及びコンピュータで読み取り可能な記録媒体 |
JP2012143873A Active JP5684756B2 (ja) | 2006-06-21 | 2012-06-27 | 符号化方法及び復号化方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012143873A Active JP5684756B2 (ja) | 2006-06-21 | 2012-06-27 | 符号化方法及び復号化方法 |
Country Status (2)
Country | Link |
---|---|
JP (2) | JP5031829B2 (ko) |
KR (2) | KR101390188B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012208514A (ja) * | 2006-06-21 | 2012-10-25 | Samsung Electronics Co Ltd | 符号化方法及び復号化方法 |
US9159333B2 (en) | 2006-06-21 | 2015-10-13 | Samsung Electronics Co., Ltd. | Method and apparatus for adaptively encoding and decoding high frequency band |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101434198B1 (ko) * | 2006-11-17 | 2014-08-26 | 삼성전자주식회사 | 신호 복호화 방법 |
KR101826331B1 (ko) | 2010-09-15 | 2018-03-22 | 삼성전자주식회사 | 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법 |
RU2596584C2 (ru) * | 2010-10-25 | 2016-09-10 | Войсэйдж Корпорейшн | Кодирование обобщенных аудиосигналов на низких скоростях передачи битов и с низкой задержкой |
MY186055A (en) * | 2010-12-29 | 2021-06-17 | Samsung Electronics Co Ltd | Coding apparatus and decoding apparatus with bandwidth extension |
BR112013033900B1 (pt) | 2011-06-30 | 2022-03-15 | Samsung Electronics Co., Ltd | Método para gerar um sinal estendido de largura de banda para decodificação de áudio |
CN103035248B (zh) * | 2011-10-08 | 2015-01-21 | 华为技术有限公司 | 音频信号编码方法和装置 |
CN111312277B (zh) * | 2014-03-03 | 2023-08-15 | 三星电子株式会社 | 用于带宽扩展的高频解码的方法及设备 |
CN106409304B (zh) | 2014-06-12 | 2020-08-25 | 华为技术有限公司 | 一种音频信号的时域包络处理方法及装置、编码器 |
JPWO2022009505A1 (ko) * | 2020-07-07 | 2022-01-13 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0946233A (ja) * | 1995-07-31 | 1997-02-14 | Kokusai Electric Co Ltd | 音声符号化方法とその装置、音声復号方法とその装置 |
US6167375A (en) * | 1997-03-17 | 2000-12-26 | Kabushiki Kaisha Toshiba | Method for encoding and decoding a speech signal including background noise |
EP0878790A1 (en) * | 1997-05-15 | 1998-11-18 | Hewlett-Packard Company | Voice coding system and method |
SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
JP4907826B2 (ja) * | 2000-02-29 | 2012-04-04 | クゥアルコム・インコーポレイテッド | 閉ループのマルチモードの混合領域の線形予測音声コーダ |
FR2807897B1 (fr) * | 2000-04-18 | 2003-07-18 | France Telecom | Methode et dispositif d'enrichissement spectral |
SE0004163D0 (sv) * | 2000-11-14 | 2000-11-14 | Coding Technologies Sweden Ab | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
WO2002093561A1 (de) | 2001-05-11 | 2002-11-21 | Siemens Aktiengesellschaft | Verfahren zur erweiterung der bandbreite eines schmalbandig gefilterten sprachsignals, insbesondere eines von einem telekommunikationsgerät gesendeten sprachsignals |
SE0202159D0 (sv) * | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
US6988066B2 (en) | 2001-10-04 | 2006-01-17 | At&T Corp. | Method of bandwidth extension for narrow-band speech |
JP3926726B2 (ja) * | 2001-11-14 | 2007-06-06 | 松下電器産業株式会社 | 符号化装置および復号化装置 |
JP4399185B2 (ja) * | 2002-04-11 | 2010-01-13 | パナソニック株式会社 | 符号化装置および復号化装置 |
US7318035B2 (en) * | 2003-05-08 | 2008-01-08 | Dolby Laboratories Licensing Corporation | Audio coding systems and methods using spectral component coupling and spectral component regeneration |
JP4789622B2 (ja) * | 2003-09-16 | 2011-10-12 | パナソニック株式会社 | スペクトル符号化装置、スケーラブル符号化装置、復号化装置、およびこれらの方法 |
EP2221808B1 (en) * | 2003-10-23 | 2012-07-11 | Panasonic Corporation | Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof |
WO2006025313A1 (ja) * | 2004-08-31 | 2006-03-09 | Matsushita Electric Industrial Co., Ltd. | 音声符号化装置、音声復号化装置、通信装置及び音声符号化方法 |
KR101390188B1 (ko) * | 2006-06-21 | 2014-04-30 | 삼성전자주식회사 | 적응적 고주파수영역 부호화 및 복호화 방법 및 장치 |
-
2007
- 2007-06-20 KR KR1020070060688A patent/KR101390188B1/ko not_active IP Right Cessation
- 2007-06-21 JP JP2009516401A patent/JP5031829B2/ja active Active
-
2012
- 2012-06-27 JP JP2012143873A patent/JP5684756B2/ja active Active
-
2013
- 2013-09-04 KR KR1020130106345A patent/KR101376099B1/ko active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012208514A (ja) * | 2006-06-21 | 2012-10-25 | Samsung Electronics Co Ltd | 符号化方法及び復号化方法 |
US9159333B2 (en) | 2006-06-21 | 2015-10-13 | Samsung Electronics Co., Ltd. | Method and apparatus for adaptively encoding and decoding high frequency band |
US9847095B2 (en) | 2006-06-21 | 2017-12-19 | Samsung Electronics Co., Ltd. | Method and apparatus for adaptively encoding and decoding high frequency band |
Also Published As
Publication number | Publication date |
---|---|
JP2012208514A (ja) | 2012-10-25 |
JP2009541790A (ja) | 2009-11-26 |
KR101390188B1 (ko) | 2014-04-30 |
KR20070121558A (ko) | 2007-12-27 |
KR20130114038A (ko) | 2013-10-16 |
JP5684756B2 (ja) | 2015-03-18 |
KR101376099B1 (ko) | 2014-03-19 |
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