DE3781393D1 - Verfahren und einrichtung zur komprimierung von sprachsignaldaten. - Google Patents
Verfahren und einrichtung zur komprimierung von sprachsignaldaten.Info
- Publication number
- DE3781393D1 DE3781393D1 DE8787904461T DE3781393T DE3781393D1 DE 3781393 D1 DE3781393 D1 DE 3781393D1 DE 8787904461 T DE8787904461 T DE 8787904461T DE 3781393 T DE3781393 T DE 3781393T DE 3781393 D1 DE3781393 D1 DE 3781393D1
- Authority
- DE
- Germany
- Prior art keywords
- voiced
- frame
- bits
- repetition
- pitch
- 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
- 239000011295 pitch Substances 0.000 abstract 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000003252 repetitive effect Effects 0.000 abstract 1
Classifications
-
- 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
- H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
-
- 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
-
- 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
-
- 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
- G10L25/78—Detection of presence or absence of voice 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
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
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)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Time-Division Multiplex Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/887,492 US4802221A (en) | 1986-07-21 | 1986-07-21 | Digital system and method for compressing speech signals for storage and transmission |
PCT/US1987/001492 WO1988000754A1 (en) | 1986-07-21 | 1987-06-25 | Method and system for compressing speech signal data |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3781393D1 true DE3781393D1 (de) | 1992-10-01 |
DE3781393T2 DE3781393T2 (de) | 1993-04-01 |
Family
ID=25391264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787904461T Expired - Fee Related DE3781393T2 (de) | 1986-07-21 | 1987-06-25 | Verfahren und einrichtung zur komprimierung von sprachsignaldaten. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4802221A (de) |
EP (1) | EP0275273B1 (de) |
JP (1) | JP3048150B2 (de) |
CA (1) | CA1307590C (de) |
DE (1) | DE3781393T2 (de) |
WO (1) | WO1988000754A1 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0537804B1 (de) * | 1987-01-16 | 1997-07-23 | Sharp Kabushiki Kaisha | Sprachaufzeichnungsgerät mit Komprimierung von Sprachpausen |
JP2707564B2 (ja) * | 1987-12-14 | 1998-01-28 | 株式会社日立製作所 | 音声符号化方式 |
US4890326A (en) * | 1988-03-03 | 1989-12-26 | Rubiyat Software, Inc. | Method for compressing data |
US5020058A (en) * | 1989-01-23 | 1991-05-28 | Stratacom, Inc. | Packet voice/data communication system having protocol independent repetitive packet suppression |
AU6877791A (en) * | 1989-10-25 | 1991-05-31 | Motorola, Inc. | Speech waveform compression technique |
FI91457C (fi) * | 1991-03-08 | 1994-06-27 | Nokia Mobile Phones Ltd | Menetelmä puheen tallentamiseksi muistivälineelle ja tallennetun puheen toistamiseksi sekä menetelmää käyttävä laite |
US5305420A (en) * | 1991-09-25 | 1994-04-19 | Nippon Hoso Kyokai | Method and apparatus for hearing assistance with speech speed control function |
FR2686183A1 (fr) * | 1992-01-15 | 1993-07-16 | Idms Sa | Systeme de numerisation d'un signal audio, procede et dispositif de mise en óoeuvre pour constituer une base de donnees numeriques. |
EP0552051A2 (de) * | 1992-01-17 | 1993-07-21 | Hitachi, Ltd. | Personenfunkrufsystem mit Sprachübertragungsfunktion und Funkrufempfänger |
US5448679A (en) * | 1992-12-30 | 1995-09-05 | International Business Machines Corporation | Method and system for speech data compression and regeneration |
US7082106B2 (en) * | 1993-01-08 | 2006-07-25 | Multi-Tech Systems, Inc. | Computer-based multi-media communications system and method |
SE516521C2 (sv) * | 1993-11-25 | 2002-01-22 | Telia Ab | Anordning och förfarande vid talsyntes |
US5787387A (en) * | 1994-07-11 | 1998-07-28 | Voxware, Inc. | Harmonic adaptive speech coding method and system |
US5704000A (en) * | 1994-11-10 | 1997-12-30 | Hughes Electronics | Robust pitch estimation method and device for telephone speech |
US5687176A (en) * | 1995-06-09 | 1997-11-11 | Hubbell Incorporated | Zero byte substitution method and apparatus for telecommunications equipment |
US5774837A (en) * | 1995-09-13 | 1998-06-30 | Voxware, Inc. | Speech coding system and method using voicing probability determination |
US5682462A (en) * | 1995-09-14 | 1997-10-28 | Motorola, Inc. | Very low bit rate voice messaging system using variable rate backward search interpolation processing |
JP3680380B2 (ja) * | 1995-10-26 | 2005-08-10 | ソニー株式会社 | 音声符号化方法及び装置 |
US5701391A (en) * | 1995-10-31 | 1997-12-23 | Motorola, Inc. | Method and system for compressing a speech signal using envelope modulation |
WO1997027578A1 (en) * | 1996-01-26 | 1997-07-31 | Motorola Inc. | Very low bit rate time domain speech analyzer for voice messaging |
US5864795A (en) * | 1996-02-20 | 1999-01-26 | Advanced Micro Devices, Inc. | System and method for error correction in a correlation-based pitch estimator |
US5696873A (en) * | 1996-03-18 | 1997-12-09 | Advanced Micro Devices, Inc. | Vocoder system and method for performing pitch estimation using an adaptive correlation sample window |
WO1997037345A1 (en) * | 1996-03-29 | 1997-10-09 | British Telecommunications Public Limited Company | Speech processing |
US5933805A (en) * | 1996-12-13 | 1999-08-03 | Intel Corporation | Retaining prosody during speech analysis for later playback |
KR100291584B1 (ko) * | 1997-12-12 | 2001-06-01 | 이봉훈 | 피치 구간별 fo/f1률의 유사성에 의한 음성파형 압축방법 |
JP4308345B2 (ja) * | 1998-08-21 | 2009-08-05 | パナソニック株式会社 | マルチモード音声符号化装置及び復号化装置 |
US6370500B1 (en) * | 1999-09-30 | 2002-04-09 | Motorola, Inc. | Method and apparatus for non-speech activity reduction of a low bit rate digital voice message |
DE10245107B4 (de) * | 2002-09-27 | 2006-01-26 | Siemens Ag | Voice Activity Detection auf Basis von unüberwacht trainierten Clusterverfahren |
US20040167772A1 (en) * | 2003-02-26 | 2004-08-26 | Engin Erzin | Speech coding and decoding in a voice communication system |
KR100571831B1 (ko) * | 2004-02-10 | 2006-04-17 | 삼성전자주식회사 | 음성 식별 장치 및 방법 |
JP5229234B2 (ja) * | 2007-12-18 | 2013-07-03 | 富士通株式会社 | 非音声区間検出方法及び非音声区間検出装置 |
US10083682B2 (en) * | 2015-10-06 | 2018-09-25 | Yamaha Corporation | Content data generating device, content data generating method, sound signal generating device and sound signal generating method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3916105A (en) * | 1972-12-04 | 1975-10-28 | Ibm | Pitch peak detection using linear prediction |
US4015088A (en) * | 1975-10-31 | 1977-03-29 | Bell Telephone Laboratories, Incorporated | Real-time speech analyzer |
JPS5326761A (en) * | 1976-08-26 | 1978-03-13 | Babcock Hitachi Kk | Injecting device for reducing agent for nox |
US4412306A (en) * | 1981-05-14 | 1983-10-25 | Moll Edward W | System for minimizing space requirements for storage and transmission of digital signals |
JPS58140798A (ja) * | 1982-02-15 | 1983-08-20 | 株式会社日立製作所 | 音声ピツチ抽出方法 |
JPS5925237A (ja) * | 1982-08-03 | 1984-02-09 | Hitachi Ltd | 半導体装置 |
JPS5979296A (ja) * | 1982-10-29 | 1984-05-08 | 株式会社東芝 | 音声デ−タ作成装置 |
-
1986
- 1986-07-21 US US06/887,492 patent/US4802221A/en not_active Expired - Lifetime
-
1987
- 1987-04-06 CA CA000533918A patent/CA1307590C/en not_active Expired - Lifetime
- 1987-06-25 EP EP87904461A patent/EP0275273B1/de not_active Expired - Lifetime
- 1987-06-25 WO PCT/US1987/001492 patent/WO1988000754A1/en active IP Right Grant
- 1987-06-25 JP JP62504112A patent/JP3048150B2/ja not_active Expired - Fee Related
- 1987-06-25 DE DE8787904461T patent/DE3781393T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE3781393T2 (de) | 1993-04-01 |
JPH01500463A (ja) | 1989-02-16 |
EP0275273B1 (de) | 1992-08-26 |
EP0275273A1 (de) | 1988-07-27 |
WO1988000754A1 (en) | 1988-01-28 |
US4802221A (en) | 1989-01-31 |
CA1307590C (en) | 1992-09-15 |
JP3048150B2 (ja) | 2000-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: AT&T GLOBAL INFORMATION SOLUTIONS INTERNATIONAL IN |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: AT&T GLOBAL INFORMATION SOLUTIONS INTERNATIONAL IN |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: NCR INTERNATIONAL, INC. (N.D.GES.D.STAATES DELAWAR |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: NCR INTERNATIONAL, INC. (N.D.GES.D.STAATES DELAWAR |
|
8328 | Change in the person/name/address of the agent |
Free format text: V. BEZOLD & SOZIEN, 80799 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HYNIX SEMICONDUCTOR INC., ICHON, KYONGGI, KR Owner name: NCR INTERNATIONAL, INC. (N.D.GES.D.STAATES DEL, US |