ATE438911T1 - Verfahren und vorrichtung zur codierung aufeinanderfolgender grundperioden in einem sprachsignal - Google Patents
Verfahren und vorrichtung zur codierung aufeinanderfolgender grundperioden in einem sprachsignalInfo
- Publication number
- ATE438911T1 ATE438911T1 AT02727961T AT02727961T ATE438911T1 AT E438911 T1 ATE438911 T1 AT E438911T1 AT 02727961 T AT02727961 T AT 02727961T AT 02727961 T AT02727961 T AT 02727961T AT E438911 T1 ATE438911 T1 AT E438911T1
- Authority
- AT
- Austria
- Prior art keywords
- pitch
- loop
- closed
- search
- voice signal
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000007670 refining Methods 0.000 abstract 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
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
-
- 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
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)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/878,762 US6584437B2 (en) | 2001-06-11 | 2001-06-11 | Method and apparatus for coding successive pitch periods in speech signal |
| PCT/IB2002/002078 WO2002101718A2 (en) | 2001-06-11 | 2002-06-07 | Coding successive pitch periods in speech signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE438911T1 true ATE438911T1 (de) | 2009-08-15 |
Family
ID=25372784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02727961T ATE438911T1 (de) | 2001-06-11 | 2002-06-07 | Verfahren und vorrichtung zur codierung aufeinanderfolgender grundperioden in einem sprachsignal |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6584437B2 (de) |
| EP (1) | EP1428202B1 (de) |
| KR (1) | KR100896944B1 (de) |
| CN (1) | CN1262993C (de) |
| AT (1) | ATE438911T1 (de) |
| AU (1) | AU2002258104A1 (de) |
| DE (1) | DE60233238D1 (de) |
| WO (1) | WO2002101718A2 (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1793370B1 (de) * | 2001-08-31 | 2009-06-03 | Kabushiki Kaisha Kenwood | Vorrichtung und Verfahren zur Erzeugung eines Signals mit konstanten Grundfrequenz und Vorrichtung sowie Verfahren zum Synthetisieren von Sprachsignalen unter Verwendung dieser Signals mit konstanten Grundfrequenz. |
| US7124075B2 (en) * | 2001-10-26 | 2006-10-17 | Dmitry Edward Terez | Methods and apparatus for pitch determination |
| RU2319223C2 (ru) * | 2001-11-30 | 2008-03-10 | Конинклейке Филипс Электроникс Н.В. | Кодирование сигнала |
| US7376553B2 (en) * | 2003-07-08 | 2008-05-20 | Robert Patel Quinn | Fractal harmonic overtone mapping of speech and musical sounds |
| US7619995B1 (en) * | 2003-07-18 | 2009-11-17 | Nortel Networks Limited | Transcoders and mixers for voice-over-IP conferencing |
| JP5036317B2 (ja) * | 2004-10-28 | 2012-09-26 | パナソニック株式会社 | 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 |
| EP2228789B1 (de) * | 2006-03-20 | 2012-07-25 | Mindspeed Technologies, Inc. | Tonhöhen-Track-Glättung in offener Schleife |
| US20080097757A1 (en) * | 2006-10-24 | 2008-04-24 | Nokia Corporation | Audio coding |
| EP2101319B1 (de) * | 2006-12-15 | 2015-09-16 | Panasonic Intellectual Property Corporation of America | Einrichtung zur adaptiven schallquellen-vektorquantisierung und verfahren dafür |
| JP5511372B2 (ja) * | 2007-03-02 | 2014-06-04 | パナソニック株式会社 | 適応音源ベクトル量子化装置および適応音源ベクトル量子化方法 |
| NO2313887T3 (de) | 2008-07-10 | 2018-02-10 | ||
| US8670990B2 (en) * | 2009-08-03 | 2014-03-11 | Broadcom Corporation | Dynamic time scale modification for reduced bit rate audio coding |
| CN112151045B (zh) * | 2019-06-29 | 2024-06-04 | 华为技术有限公司 | 一种立体声编码方法、立体声解码方法和装置 |
| CN112233682B (zh) * | 2019-06-29 | 2024-07-16 | 华为技术有限公司 | 一种立体声编码方法、立体声解码方法和装置 |
| CN110390953B (zh) * | 2019-07-25 | 2023-11-17 | 腾讯科技（深圳）有限公司 | 啸叫语音信号的检测方法、装置、终端及存储介质 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58215822A (ja) | 1982-06-10 | 1983-12-15 | Toshiba Corp | 音声信号の予測符号化装置 |
| AU3063584A (en) | 1983-06-03 | 1985-01-04 | Variable Speech Control Company ("vsc"). The | Method and apparatus for pitch period controlled voice signalprocessing |
| US4704730A (en) * | 1984-03-12 | 1987-11-03 | Allophonix, Inc. | Multi-state speech encoder and decoder |
| JPH0632021B2 (ja) | 1987-07-15 | 1994-04-27 | シャープ株式会社 | 日本語音声認識装置 |
| JPH0451200A (ja) | 1990-06-18 | 1992-02-19 | Fujitsu Ltd | 音声符号化方式 |
| US5884253A (en) | 1992-04-09 | 1999-03-16 | Lucent Technologies, Inc. | Prototype waveform speech coding with interpolation of pitch, pitch-period waveforms, and synthesis filter |
| JP3226180B2 (ja) * | 1992-04-09 | 2001-11-05 | 日本電信電話株式会社 | 音声のピッチ周期符号化法 |
| US5388124A (en) * | 1992-06-12 | 1995-02-07 | University Of Maryland | Precoding scheme for transmitting data using optimally-shaped constellations over intersymbol-interference channels |
| DE4492048C2 (de) | 1993-03-26 | 1997-01-02 | Motorola Inc | Vektorquantisierungs-Verfahren |
| US5504834A (en) * | 1993-05-28 | 1996-04-02 | Motrola, Inc. | Pitch epoch synchronous linear predictive coding vocoder and method |
| US5799276A (en) | 1995-11-07 | 1998-08-25 | Accent Incorporated | Knowledge-based speech recognition system and methods having frame length computed based upon estimated pitch period of vocalic intervals |
| WO1997017692A1 (en) * | 1995-11-07 | 1997-05-15 | Euphonics, Incorporated | Parametric signal modeling musical synthesizer |
| US6006175A (en) | 1996-02-06 | 1999-12-21 | The Regents Of The University Of California | Methods and apparatus for non-acoustic speech characterization and recognition |
| US5729694A (en) | 1996-02-06 | 1998-03-17 | The Regents Of The University Of California | Speech coding, reconstruction and recognition using acoustics and electromagnetic waves |
| US6009394A (en) * | 1996-09-05 | 1999-12-28 | The Board Of Trustees Of The University Of Illinois | System and method for interfacing a 2D or 3D movement space to a high dimensional sound synthesis control space |
| US6185527B1 (en) | 1999-01-19 | 2001-02-06 | International Business Machines Corporation | System and method for automatic audio content analysis for word spotting, indexing, classification and retrieval |
| US6704711B2 (en) * | 2000-01-28 | 2004-03-09 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for modifying speech signals |
-
2001
- 2001-06-11 US US09/878,762 patent/US6584437B2/en not_active Expired - Lifetime
-
2002
- 2002-06-07 AU AU2002258104A patent/AU2002258104A1/en not_active Abandoned
- 2002-06-07 WO PCT/IB2002/002078 patent/WO2002101718A2/en not_active Ceased
- 2002-06-07 EP EP02727961A patent/EP1428202B1/de not_active Expired - Lifetime
- 2002-06-07 DE DE60233238T patent/DE60233238D1/de not_active Expired - Lifetime
- 2002-06-07 KR KR1020037016101A patent/KR100896944B1/ko not_active Expired - Fee Related
- 2002-06-07 AT AT02727961T patent/ATE438911T1/de not_active IP Right Cessation
- 2002-06-07 CN CNB028117263A patent/CN1262993C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU2002258104A1 (en) | 2002-12-23 |
| KR100896944B1 (ko) | 2009-05-14 |
| WO2002101718A2 (en) | 2002-12-19 |
| EP1428202B1 (de) | 2009-08-05 |
| WO2002101718A3 (en) | 2003-04-10 |
| CN1514994A (zh) | 2004-07-21 |
| EP1428202A2 (de) | 2004-06-16 |
| US20030004709A1 (en) | 2003-01-02 |
| CN1262993C (zh) | 2006-07-05 |
| KR20040028774A (ko) | 2004-04-03 |
| EP1428202A4 (de) | 2005-10-26 |
| DE60233238D1 (de) | 2009-09-17 |
| US6584437B2 (en) | 2003-06-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |