ATE394774T1 - Kodierungs-, dekodierungsvorrichtung und methode dafür - Google Patents
Kodierungs-, dekodierungsvorrichtung und methode dafürInfo
- Publication number
- ATE394774T1 ATE394774T1 AT05744114T AT05744114T ATE394774T1 AT E394774 T1 ATE394774 T1 AT E394774T1 AT 05744114 T AT05744114 T AT 05744114T AT 05744114 T AT05744114 T AT 05744114T AT E394774 T1 ATE394774 T1 AT E394774T1
- Authority
- AT
- Austria
- Prior art keywords
- sub
- bands
- band
- spectrum
- gain
- Prior art date
Links
- 238000001228 spectrum Methods 0.000 abstract 4
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
- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Error Detection And Correction (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004148901 | 2004-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE394774T1 true ATE394774T1 (de) | 2008-05-15 |
Family
ID=35394381
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT05744114T ATE394774T1 (de) | 2004-05-19 | 2005-05-17 | Kodierungs-, dekodierungsvorrichtung und methode dafür |
Country Status (9)
Country | Link |
---|---|
US (2) | US8463602B2 (de) |
EP (3) | EP1742202B1 (de) |
JP (2) | JP5013863B2 (de) |
KR (1) | KR20070012832A (de) |
CN (2) | CN102280109B (de) |
AT (1) | ATE394774T1 (de) |
BR (1) | BRPI0510400A (de) |
DE (1) | DE602005006551D1 (de) |
WO (1) | WO2005112001A1 (de) |
Families Citing this family (48)
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JP2007310298A (ja) * | 2006-05-22 | 2007-11-29 | Oki Electric Ind Co Ltd | 帯域外信号生成装置及び周波数帯域拡張装置 |
JP5103880B2 (ja) * | 2006-11-24 | 2012-12-19 | 富士通株式会社 | 復号化装置および復号化方法 |
JP4967618B2 (ja) * | 2006-11-24 | 2012-07-04 | 富士通株式会社 | 復号化装置および復号化方法 |
EP2101322B1 (de) * | 2006-12-15 | 2018-02-21 | III Holdings 12, LLC | Codierungseinrichtung, decodierungseinrichtung und verfahren dafür |
JP5294713B2 (ja) * | 2007-03-02 | 2013-09-18 | パナソニック株式会社 | 符号化装置、復号装置およびそれらの方法 |
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EP2220646A1 (de) * | 2007-11-06 | 2010-08-25 | Nokia Corporation | Audiocodierungsvorrichtung und verfahren dafür |
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JP5754899B2 (ja) | 2009-10-07 | 2015-07-29 | ソニー株式会社 | 復号装置および方法、並びにプログラム |
JPWO2011048741A1 (ja) * | 2009-10-20 | 2013-03-07 | 日本電気株式会社 | マルチバンドコンプレッサ |
WO2011058758A1 (ja) * | 2009-11-13 | 2011-05-19 | パナソニック株式会社 | 符号化装置、復号装置およびこれらの方法 |
CN102081927B (zh) * | 2009-11-27 | 2012-07-18 | 中兴通讯股份有限公司 | 一种可分层音频编码、解码方法及系统 |
JP5609737B2 (ja) | 2010-04-13 | 2014-10-22 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
JP5850216B2 (ja) | 2010-04-13 | 2016-02-03 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
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JP6075743B2 (ja) | 2010-08-03 | 2017-02-08 | ソニー株式会社 | 信号処理装置および方法、並びにプログラム |
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JP5552988B2 (ja) * | 2010-09-27 | 2014-07-16 | 富士通株式会社 | 音声帯域拡張装置および音声帯域拡張方法 |
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AU2015202393B2 (en) * | 2010-12-29 | 2016-06-16 | Samsung Electronics Co., Ltd. | Apparatus and method for encoding/decoding for high-frequency bandwidth extension |
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JP6011758B2 (ja) * | 2011-09-09 | 2016-10-19 | 国立研究開発法人情報通信研究機構 | 音声合成システム、音声合成方法、およびプログラム |
CN103854653B (zh) | 2012-12-06 | 2016-12-28 | 华为技术有限公司 | 信号解码的方法和设备 |
US9100466B2 (en) * | 2013-05-13 | 2015-08-04 | Intel IP Corporation | Method for processing an audio signal and audio receiving circuit |
EP2830064A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Decodierung und Codierung eines Audiosignals unter Verwendung adaptiver Spektralabschnittsauswahl |
CN111312279B (zh) | 2013-09-12 | 2024-02-06 | 杜比国际公司 | 基于qmf的处理数据的时间对齐 |
CN105531762B (zh) | 2013-09-19 | 2019-10-01 | 索尼公司 | 编码装置和方法、解码装置和方法以及程序 |
KR20230042410A (ko) | 2013-12-27 | 2023-03-28 | 소니그룹주식회사 | 복호화 장치 및 방법, 및 프로그램 |
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 |
CN111105806B (zh) * | 2014-03-24 | 2024-04-26 | 三星电子株式会社 | 高频带编码方法和装置,以及高频带解码方法和装置 |
KR101870962B1 (ko) | 2014-05-01 | 2018-06-25 | 니폰 덴신 덴와 가부시끼가이샤 | 부호화 장치, 복호 장치 및 그 방법, 프로그램, 기록 매체 |
JP6401521B2 (ja) * | 2014-07-04 | 2018-10-10 | クラリオン株式会社 | 信号処理装置及び信号処理方法 |
WO2016017238A1 (ja) * | 2014-07-28 | 2016-02-04 | 日本電信電話株式会社 | 符号化方法、装置、プログラム及び記録媒体 |
JP2016038435A (ja) * | 2014-08-06 | 2016-03-22 | ソニー株式会社 | 符号化装置および方法、復号装置および方法、並びにプログラム |
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WO2017119284A1 (ja) * | 2016-01-08 | 2017-07-13 | 日本電気株式会社 | 信号処理装置、利得調整方法および利得調整プログラム |
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JP4876574B2 (ja) * | 2005-12-26 | 2012-02-15 | ソニー株式会社 | 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体 |
JP5265487B2 (ja) | 2009-09-03 | 2013-08-14 | 光洋自動機株式会社 | 掘進装置 |
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2005
- 2005-05-17 EP EP05744114A patent/EP1742202B1/de active Active
- 2005-05-17 CN CN201110224924.6A patent/CN102280109B/zh active Active
- 2005-05-17 AT AT05744114T patent/ATE394774T1/de not_active IP Right Cessation
- 2005-05-17 KR KR1020067024188A patent/KR20070012832A/ko not_active Application Discontinuation
- 2005-05-17 EP EP16186271.9A patent/EP3118849B1/de active Active
- 2005-05-17 BR BRPI0510400-9A patent/BRPI0510400A/pt not_active Application Discontinuation
- 2005-05-17 US US11/596,254 patent/US8463602B2/en active Active
- 2005-05-17 EP EP08004731.9A patent/EP1939862B1/de active Active
- 2005-05-17 CN CN2005800158368A patent/CN1954363B/zh active Active
- 2005-05-17 DE DE602005006551T patent/DE602005006551D1/de active Active
- 2005-05-17 JP JP2006513605A patent/JP5013863B2/ja active Active
- 2005-05-17 WO PCT/JP2005/008963 patent/WO2005112001A1/ja active IP Right Grant
-
2011
- 2011-08-26 JP JP2011184357A patent/JP5230782B2/ja active Active
-
2013
- 2013-05-08 US US13/889,983 patent/US8688440B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP5013863B2 (ja) | 2012-08-29 |
BRPI0510400A (pt) | 2007-10-23 |
US8463602B2 (en) | 2013-06-11 |
KR20070012832A (ko) | 2007-01-29 |
CN1954363A (zh) | 2007-04-25 |
US20130246075A1 (en) | 2013-09-19 |
CN102280109A (zh) | 2011-12-14 |
CN102280109B (zh) | 2016-04-27 |
EP1742202A4 (de) | 2007-10-10 |
CN1954363B (zh) | 2011-10-12 |
US8688440B2 (en) | 2014-04-01 |
JP5230782B2 (ja) | 2013-07-10 |
WO2005112001A1 (ja) | 2005-11-24 |
JPWO2005112001A1 (ja) | 2008-03-27 |
DE602005006551D1 (de) | 2008-06-19 |
EP3118849B1 (de) | 2020-01-01 |
EP1742202B1 (de) | 2008-05-07 |
EP1939862B1 (de) | 2016-10-05 |
US20080262835A1 (en) | 2008-10-23 |
JP2011248378A (ja) | 2011-12-08 |
EP1939862A1 (de) | 2008-07-02 |
EP1742202A1 (de) | 2007-01-10 |
EP3118849A1 (de) | 2017-01-18 |
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