DE69222696D1 - Auf Analyse-durch-Synthese-Methoden gegründeter Sprachcodierer - Google Patents
Auf Analyse-durch-Synthese-Methoden gegründeter SprachcodiererInfo
- Publication number
- DE69222696D1 DE69222696D1 DE69222696T DE69222696T DE69222696D1 DE 69222696 D1 DE69222696 D1 DE 69222696D1 DE 69222696 T DE69222696 T DE 69222696T DE 69222696 T DE69222696 T DE 69222696T DE 69222696 D1 DE69222696 D1 DE 69222696D1
- Authority
- DE
- Germany
- Prior art keywords
- analysis
- speech coder
- synthesis methods
- coder based
- speech
- 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
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
- 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
- G10L19/26—Pre-filtering or post-filtering
-
- 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
- H04B1/665—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 psychoacoustic properties of the ear, e.g. masking effect
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Machine Translation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910493A IT1249940B (it) | 1991-06-28 | 1991-06-28 | Perfezionamenti ai codificatori della voce basati su tecniche di analisi per sintesi. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69222696D1 true DE69222696D1 (de) | 1997-11-20 |
DE69222696T2 DE69222696T2 (de) | 1998-02-26 |
Family
ID=11409446
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE199292110767T Pending DE520462T1 (de) | 1991-06-28 | 1992-06-26 | Auf analyse-durch-synthese methoden gegruendeten sprachcodierer. |
DE69222696T Expired - Fee Related DE69222696T2 (de) | 1991-06-28 | 1992-06-26 | Auf Analyse-durch-Synthese-Methoden gegründeter Sprachcodierer |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE199292110767T Pending DE520462T1 (de) | 1991-06-28 | 1992-06-26 | Auf analyse-durch-synthese methoden gegruendeten sprachcodierer. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0520462B1 (de) |
JP (1) | JP2597271B2 (de) |
AT (1) | ATE159375T1 (de) |
CA (1) | CA2070603C (de) |
DE (2) | DE520462T1 (de) |
ES (1) | ES2037645T3 (de) |
GR (2) | GR930300033T1 (de) |
IT (1) | IT1249940B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3024468B2 (ja) * | 1993-12-10 | 2000-03-21 | 日本電気株式会社 | 音声復号装置 |
JP3024467B2 (ja) * | 1993-12-10 | 2000-03-21 | 日本電気株式会社 | 音声符号化装置 |
CN101169934B (zh) * | 2006-10-24 | 2011-05-11 | 华为技术有限公司 | 时域听觉阈值加权滤波器的构造方法和设备、编解码器 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6069699A (ja) * | 1983-09-26 | 1985-04-20 | 株式会社リコー | 音声パタ−ン作成装置 |
US4827517A (en) * | 1985-12-26 | 1989-05-02 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital speech processor using arbitrary excitation coding |
-
1991
- 1991-06-28 IT ITTO910493A patent/IT1249940B/it active IP Right Grant
-
1992
- 1992-06-05 CA CA002070603A patent/CA2070603C/en not_active Expired - Fee Related
- 1992-06-23 JP JP4187371A patent/JP2597271B2/ja not_active Expired - Lifetime
- 1992-06-26 DE DE199292110767T patent/DE520462T1/de active Pending
- 1992-06-26 ES ES92110767T patent/ES2037645T3/es not_active Expired - Lifetime
- 1992-06-26 DE DE69222696T patent/DE69222696T2/de not_active Expired - Fee Related
- 1992-06-26 AT AT92110767T patent/ATE159375T1/de active
- 1992-06-26 EP EP92110767A patent/EP0520462B1/de not_active Expired - Lifetime
-
1993
- 1993-06-07 GR GR930300033T patent/GR930300033T1/el unknown
-
1997
- 1997-10-16 GR GR970402658T patent/GR3025073T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE520462T1 (de) | 1993-04-29 |
JPH05232998A (ja) | 1993-09-10 |
ATE159375T1 (de) | 1997-11-15 |
JP2597271B2 (ja) | 1997-04-02 |
EP0520462B1 (de) | 1997-10-15 |
DE69222696T2 (de) | 1998-02-26 |
CA2070603C (en) | 1996-10-15 |
IT1249940B (it) | 1995-03-30 |
ITTO910493A0 (it) | 1991-06-28 |
CA2070603A1 (en) | 1992-12-29 |
GR930300033T1 (en) | 1993-06-07 |
EP0520462A1 (de) | 1992-12-30 |
ES2037645T1 (es) | 1993-07-01 |
ES2037645T3 (es) | 1997-12-01 |
GR3025073T3 (en) | 1998-01-30 |
ITTO910493A1 (it) | 1992-12-28 |
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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 |