DE69521176D1 - Verfahren zur Dekodierung kodierter Sprachsignale - Google Patents
Verfahren zur Dekodierung kodierter SprachsignaleInfo
- Publication number
- DE69521176D1 DE69521176D1 DE69521176T DE69521176T DE69521176D1 DE 69521176 D1 DE69521176 D1 DE 69521176D1 DE 69521176 T DE69521176 T DE 69521176T DE 69521176 T DE69521176 T DE 69521176T DE 69521176 D1 DE69521176 D1 DE 69521176D1
- Authority
- DE
- Germany
- Prior art keywords
- speech signals
- coded speech
- decoding coded
- decoding
- signals
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19845194A JP3528258B2 (ja) | 1994-08-23 | 1994-08-23 | 符号化音声信号の復号化方法及び装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69521176D1 true DE69521176D1 (de) | 2001-07-12 |
DE69521176T2 DE69521176T2 (de) | 2001-12-06 |
Family
ID=16391329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521176T Expired - Lifetime DE69521176T2 (de) | 1994-08-23 | 1995-08-21 | Verfahren zur Dekodierung kodierter Sprachsignale |
Country Status (4)
Country | Link |
---|---|
US (1) | US5832437A (de) |
EP (1) | EP0698876B1 (de) |
JP (1) | JP3528258B2 (de) |
DE (1) | DE69521176T2 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9600774D0 (en) * | 1996-01-15 | 1996-03-20 | British Telecomm | Waveform synthesis |
AU3702497A (en) * | 1996-07-30 | 1998-02-20 | British Telecommunications Public Limited Company | Speech coding |
AU4886397A (en) * | 1996-11-11 | 1998-06-03 | Matsushita Electric Industrial Co., Ltd. | Sound reproducing speed converter |
US6202046B1 (en) * | 1997-01-23 | 2001-03-13 | Kabushiki Kaisha Toshiba | Background noise/speech classification method |
FR2768545B1 (fr) * | 1997-09-18 | 2000-07-13 | Matra Communication | Procede de conditionnement d'un signal de parole numerique |
JPH11219199A (ja) | 1998-01-30 | 1999-08-10 | Sony Corp | 位相検出装置及び方法、並びに音声符号化装置及び方法 |
US6810409B1 (en) | 1998-06-02 | 2004-10-26 | British Telecommunications Public Limited Company | Communications network |
US6622171B2 (en) * | 1998-09-15 | 2003-09-16 | Microsoft Corporation | Multimedia timeline modification in networked client/server systems |
US6266643B1 (en) | 1999-03-03 | 2001-07-24 | Kenneth Canfield | Speeding up audio without changing pitch by comparing dominant frequencies |
US6377914B1 (en) * | 1999-03-12 | 2002-04-23 | Comsat Corporation | Efficient quantization of speech spectral amplitudes based on optimal interpolation technique |
US6311158B1 (en) * | 1999-03-16 | 2001-10-30 | Creative Technology Ltd. | Synthesis of time-domain signals using non-overlapping transforms |
JP3450237B2 (ja) * | 1999-10-06 | 2003-09-22 | 株式会社アルカディア | 音声合成装置および方法 |
JP4509273B2 (ja) * | 1999-12-22 | 2010-07-21 | ヤマハ株式会社 | 音声変換装置及び音声変換方法 |
US7302490B1 (en) | 2000-05-03 | 2007-11-27 | Microsoft Corporation | Media file format to support switching between multiple timeline-altered media streams |
JP4207568B2 (ja) * | 2000-12-14 | 2009-01-14 | ソニー株式会社 | 情報抽出装置および方法、情報合成装置および方法、並びに記録媒体 |
CN1212605C (zh) * | 2001-01-22 | 2005-07-27 | 卡纳斯数据株式会社 | 用于数字音频数据的编码方法和解码方法 |
US6845359B2 (en) * | 2001-03-22 | 2005-01-18 | Motorola, Inc. | FFT based sine wave synthesis method for parametric vocoders |
DE60234195D1 (de) * | 2001-08-31 | 2009-12-10 | Kenwood Corp | Vorrichtung und verfahren zum erzeugen eines tonhöhen-kurvenformsignals und vorrichtung und verfahren zum komprimieren, dekomprimieren und synthetisieren eines sprachsignals damit |
US7421304B2 (en) | 2002-01-21 | 2008-09-02 | Kenwood Corporation | Audio signal processing device, signal recovering device, audio signal processing method and signal recovering method |
US7027980B2 (en) * | 2002-03-28 | 2006-04-11 | Motorola, Inc. | Method for modeling speech harmonic magnitudes |
US6907632B2 (en) * | 2002-05-28 | 2005-06-21 | Ferno-Washington, Inc. | Tactical stretcher |
USH2172H1 (en) * | 2002-07-02 | 2006-09-05 | The United States Of America As Represented By The Secretary Of The Air Force | Pitch-synchronous speech processing |
JP2004054526A (ja) * | 2002-07-18 | 2004-02-19 | Canon Finetech Inc | 画像処理システム、印刷装置、制御方法、制御コマンド実行方法、プログラムおよび記録媒体 |
US7912708B2 (en) * | 2002-09-17 | 2011-03-22 | Koninklijke Philips Electronics N.V. | Method for controlling duration in speech synthesis |
US6965859B2 (en) * | 2003-02-28 | 2005-11-15 | Xvd Corporation | Method and apparatus for audio compression |
US7376553B2 (en) * | 2003-07-08 | 2008-05-20 | Robert Patel Quinn | Fractal harmonic overtone mapping of speech and musical sounds |
KR101125351B1 (ko) * | 2003-12-19 | 2012-03-28 | 크리에이티브 테크놀로지 엘티디 | 디지털 이미지 처리 방법 및 시스템 |
WO2006046587A1 (ja) * | 2004-10-28 | 2006-05-04 | Matsushita Electric Industrial Co., Ltd. | スケーラブル符号化装置、スケーラブル復号化装置、およびこれらの方法 |
US20090022098A1 (en) | 2005-10-21 | 2009-01-22 | Robert Novak | Multiplexing schemes for ofdma |
US8229106B2 (en) * | 2007-01-22 | 2012-07-24 | D.S.P. Group, Ltd. | Apparatus and methods for enhancement of speech |
US9236064B2 (en) * | 2012-02-15 | 2016-01-12 | Microsoft Technology Licensing, Llc | Sample rate converter with automatic anti-aliasing filter |
CN103426441B (zh) * | 2012-05-18 | 2016-03-02 | 华为技术有限公司 | 检测基音周期的正确性的方法和装置 |
CN107068160B (zh) * | 2017-03-28 | 2020-04-28 | 大连理工大学 | 一种语音时长规整系统及方法 |
CN110870006B (zh) | 2017-04-28 | 2023-09-22 | Dts公司 | 对音频信号进行编码的方法以及音频编码器 |
Family Cites Families (8)
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 |
US4797926A (en) * | 1986-09-11 | 1989-01-10 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital speech vocoder |
US5086475A (en) * | 1988-11-19 | 1992-02-04 | Sony Corporation | Apparatus for generating, recording or reproducing sound source data |
US5226084A (en) * | 1990-12-05 | 1993-07-06 | Digital Voice Systems, Inc. | Methods for speech quantization and error correction |
US5504833A (en) * | 1991-08-22 | 1996-04-02 | George; E. Bryan | Speech approximation using successive sinusoidal overlap-add models and pitch-scale modifications |
US5327518A (en) * | 1991-08-22 | 1994-07-05 | Georgia Tech Research Corporation | Audio analysis/synthesis system |
US5765127A (en) * | 1992-03-18 | 1998-06-09 | Sony Corp | High efficiency encoding method |
US5517595A (en) * | 1994-02-08 | 1996-05-14 | At&T Corp. | Decomposition in noise and periodic signal waveforms in waveform interpolation |
-
1994
- 1994-08-23 JP JP19845194A patent/JP3528258B2/ja not_active Expired - Lifetime
-
1995
- 1995-08-16 US US08/515,913 patent/US5832437A/en not_active Expired - Lifetime
- 1995-08-21 EP EP95305796A patent/EP0698876B1/de not_active Expired - Lifetime
- 1995-08-21 DE DE69521176T patent/DE69521176T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0863197A (ja) | 1996-03-08 |
EP0698876A2 (de) | 1996-02-28 |
US5832437A (en) | 1998-11-03 |
EP0698876A3 (de) | 1997-12-17 |
EP0698876B1 (de) | 2001-06-06 |
JP3528258B2 (ja) | 2004-05-17 |
DE69521176T2 (de) | 2001-12-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |