DE69614799D1 - Übertragungssystem und -verfahren für die sprachkodierung mit verbesserter detektion der grundfrequenz - Google Patents
Übertragungssystem und -verfahren für die sprachkodierung mit verbesserter detektion der grundfrequenzInfo
- Publication number
- DE69614799D1 DE69614799D1 DE69614799T DE69614799T DE69614799D1 DE 69614799 D1 DE69614799 D1 DE 69614799D1 DE 69614799 T DE69614799 T DE 69614799T DE 69614799 T DE69614799 T DE 69614799T DE 69614799 D1 DE69614799 D1 DE 69614799D1
- Authority
- DE
- Germany
- Prior art keywords
- transmission system
- frequency detection
- base frequency
- voice encoding
- improved base
- 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 - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 238000001514 detection method Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/90—Pitch determination of speech signals
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95201199 | 1995-05-10 | ||
PCT/IB1996/000410 WO1996036041A2 (en) | 1995-05-10 | 1996-05-07 | Transmission system and method for encoding speech with improved pitch detection |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69614799D1 true DE69614799D1 (de) | 2001-10-04 |
DE69614799T2 DE69614799T2 (de) | 2002-06-13 |
Family
ID=8220277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69614799T Expired - Fee Related DE69614799T2 (de) | 1995-05-10 | 1996-05-07 | Übertragungssystem und -verfahren für die sprachkodierung mit verbesserter detektion der grundfrequenz |
Country Status (6)
Country | Link |
---|---|
US (1) | US5963895A (de) |
EP (1) | EP0770254B1 (de) |
CN (1) | CN1155942C (de) |
DE (1) | DE69614799T2 (de) |
HK (1) | HK1012752A1 (de) |
WO (1) | WO1996036041A2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU3651200A (en) * | 1999-08-17 | 2001-03-13 | Glenayre Electronics, Inc | Pitch and voicing estimation for low bit rate speech coders |
KR100487645B1 (ko) * | 2001-11-12 | 2005-05-03 | 인벤텍 베스타 컴파니 리미티드 | 유사주기 파형들을 이용한 음성 인코딩 방법 |
TW589618B (en) * | 2001-12-14 | 2004-06-01 | Ind Tech Res Inst | Method for determining the pitch mark of speech |
US20030220787A1 (en) * | 2002-04-19 | 2003-11-27 | Henrik Svensson | Method of and apparatus for pitch period estimation |
JP4736632B2 (ja) * | 2005-08-31 | 2011-07-27 | 株式会社国際電気通信基礎技術研究所 | ボーカル・フライ検出装置及びコンピュータプログラム |
JP2007114417A (ja) * | 2005-10-19 | 2007-05-10 | Fujitsu Ltd | 音声データ処理方法及び装置 |
JP4882899B2 (ja) * | 2007-07-25 | 2012-02-22 | ソニー株式会社 | 音声解析装置、および音声解析方法、並びにコンピュータ・プログラム |
MX2011008605A (es) * | 2009-02-27 | 2011-09-09 | Panasonic Corp | Dispositivo de determinacion de tono y metodo de determinacion de tono. |
EP2980798A1 (de) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Harmonizitätsabhängige Steuerung eines harmonischen Filterwerkzeugs |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3676595A (en) * | 1970-04-20 | 1972-07-11 | Research Corp | Voiced sound display |
US4310721A (en) * | 1980-01-23 | 1982-01-12 | The United States Of America As Represented By The Secretary Of The Army | Half duplex integral vocoder modem system |
US4561102A (en) * | 1982-09-20 | 1985-12-24 | At&T Bell Laboratories | Pitch detector for speech analysis |
US4912764A (en) * | 1985-08-28 | 1990-03-27 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital speech coder with different excitation types |
US4879748A (en) * | 1985-08-28 | 1989-11-07 | American Telephone And Telegraph Company | Parallel processing pitch detector |
US4803730A (en) * | 1986-10-31 | 1989-02-07 | American Telephone And Telegraph Company, At&T Bell Laboratories | Fast significant sample detection for a pitch detector |
US5042069A (en) * | 1989-04-18 | 1991-08-20 | Pacific Communications Sciences, Inc. | Methods and apparatus for reconstructing non-quantized adaptively transformed voice signals |
US5012517A (en) * | 1989-04-18 | 1991-04-30 | Pacific Communication Science, Inc. | Adaptive transform coder having long term predictor |
JPH0782359B2 (ja) * | 1989-04-21 | 1995-09-06 | 三菱電機株式会社 | 音声符号化装置、音声復号化装置及び音声符号化・復号化装置 |
US5127053A (en) * | 1990-12-24 | 1992-06-30 | General Electric Company | Low-complexity method for improving the performance of autocorrelation-based pitch detectors |
US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
JPH05281996A (ja) * | 1992-03-31 | 1993-10-29 | Sony Corp | ピッチ抽出装置 |
US5774837A (en) * | 1995-09-13 | 1998-06-30 | Voxware, Inc. | Speech coding system and method using voicing probability determination |
-
1996
- 1996-05-07 CN CNB961904712A patent/CN1155942C/zh not_active Expired - Fee Related
- 1996-05-07 WO PCT/IB1996/000410 patent/WO1996036041A2/en active IP Right Grant
- 1996-05-07 EP EP96910162A patent/EP0770254B1/de not_active Expired - Lifetime
- 1996-05-07 DE DE69614799T patent/DE69614799T2/de not_active Expired - Fee Related
- 1996-05-10 US US08/645,544 patent/US5963895A/en not_active Expired - Fee Related
-
1998
- 1998-12-21 HK HK98114113A patent/HK1012752A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1153565A (zh) | 1997-07-02 |
WO1996036041A3 (en) | 1997-01-30 |
HK1012752A1 (en) | 1999-08-06 |
EP0770254A2 (de) | 1997-05-02 |
CN1155942C (zh) | 2004-06-30 |
DE69614799T2 (de) | 2002-06-13 |
US5963895A (en) | 1999-10-05 |
EP0770254B1 (de) | 2001-08-29 |
WO1996036041A2 (en) | 1996-11-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |