KR100310811B1 - 정보 신호 코드화 방법 및 장치 - Google Patents
정보 신호 코드화 방법 및 장치 Download PDFInfo
- Publication number
- KR100310811B1 KR100310811B1 KR1019990019337A KR19990019337A KR100310811B1 KR 100310811 B1 KR100310811 B1 KR 100310811B1 KR 1019990019337 A KR1019990019337 A KR 1019990019337A KR 19990019337 A KR19990019337 A KR 19990019337A KR 100310811 B1 KR100310811 B1 KR 100310811B1
- Authority
- KR
- South Korea
- Prior art keywords
- codebook
- configuration
- information signal
- speech
- signal
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 29
- 230000005236 sound signal Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 abstract description 31
- 230000005284 excitation Effects 0.000 abstract description 23
- 239000006185 dispersion Substances 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 3
- 239000013598 vector Substances 0.000 description 17
- 230000008569 process Effects 0.000 description 10
- 230000003044 adaptive effect Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 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
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
-
- 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
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
-
- 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
- G10L2019/0004—Design or structure of the codebook
- G10L2019/0005—Multi-stage vector quantisation
-
- 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
- G10L2019/0013—Codebook search algorithms
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)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
Description
Claims (6)
- 정보 신호 코드화 방법에 있어서,상기 정보 신호에 관련된 미리 결정된 파라미터에 기초하여 복수개의 컨피겨레이션(configurations)- 상기 복수개의 컨피겨레이션 각각은 코드북을 가짐- 중 하나를 선택하는 단계,상기 선택된 컨피겨레이션에 대응하는 상기 코드북으로부터 코드북 인덱스(codebook index)를 결정하는 단계, 및상기 미리 결정된 파라미터와 상기 코드북 인덱스를 목적지(destination)로 전송하는 단계를 포함하는 것을 특징으로 하는 정보 신호 코드화 방법.
- 제1항에 있어서, 상기 정보 신호는 음성 신호, 비디오 신호 또는 오디오 신호 중 어느 하나에 의해 더욱 특징지어지는 것을 특징으로 하는 정보 신호 코드화 방법.
- 제1항에 있어서, 상기 컨피겨레이션은 상기 정보 신호의 다양한 분류(classification)에 기초하는 것을 특징으로 하는 정보 신호 코드화 방법.
- 정보 신호 코드화 장치에 있어서,상기 정보 신호에 관련된 미리 결정된 파라미터에 기초하여 복수개의 컨피겨레이션- 상기 복수개의 컨피겨레이션 각각은 코드북을 가짐- 중 하나를 선택하기 위한 수단,상기 선택된 컨피겨레이션에 대응하는 상기 코드북으로부터 코드북 인덱스를 결정하기 위한 수단, 및상기 미리 결정된 파라미터와 상기 코드북 인덱스를 목적지에 전송하기 위한 수단을 포함하는 것을 특징으로 하는 정보 신호 코딩 장치.
- 제4항에 있어서, 상기 정보 신호는 음성 신호, 비디오 신호 또는 오디오 신호 중 어느 하나에 의해 더욱 특징지어지는 것을 특징으로 하는 정보 신호 코딩 장치.
- 제4항에 있어서, 상기 컨피겨레이션은 상기 정보 신호의 다양한 분류에 기초하는 것을 특징으로 하는 정보 신호 코딩 장치.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/086,149 US6141638A (en) | 1998-05-28 | 1998-05-28 | Method and apparatus for coding an information signal |
US09/086,149 | 1998-05-28 | ||
US9/086,149 | 1998-05-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990088610A KR19990088610A (ko) | 1999-12-27 |
KR100310811B1 true KR100310811B1 (ko) | 2001-10-17 |
Family
ID=22196597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990019337A KR100310811B1 (ko) | 1998-05-28 | 1999-05-28 | 정보 신호 코드화 방법 및 장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6141638A (ko) |
KR (1) | KR100310811B1 (ko) |
BR (1) | BR9904633A (ko) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6714907B2 (en) * | 1998-08-24 | 2004-03-30 | Mindspeed Technologies, Inc. | Codebook structure and search for speech coding |
US6743302B2 (en) * | 2000-01-28 | 2004-06-01 | Henkel Corporation | Dry-in-place zinc phosphating compositions including adhesion-promoting polymers |
US6564182B1 (en) | 2000-05-12 | 2003-05-13 | Conexant Systems, Inc. | Look-ahead pitch determination |
JP3582589B2 (ja) * | 2001-03-07 | 2004-10-27 | 日本電気株式会社 | 音声符号化装置及び音声復号化装置 |
US6766289B2 (en) * | 2001-06-04 | 2004-07-20 | Qualcomm Incorporated | Fast code-vector searching |
US7130788B2 (en) * | 2001-10-30 | 2006-10-31 | Mentor Graphics Corporation | Emulation components and system including distributed event monitoring, and testing of an IC design under emulation |
US6662154B2 (en) | 2001-12-12 | 2003-12-09 | Motorola, Inc. | Method and system for information signal coding using combinatorial and huffman codes |
US7047188B2 (en) * | 2002-11-08 | 2006-05-16 | Motorola, Inc. | Method and apparatus for improvement coding of the subframe gain in a speech coding system |
WO2004084182A1 (en) * | 2003-03-15 | 2004-09-30 | Mindspeed Technologies, Inc. | Decomposition of voiced speech for celp speech coding |
JP4414705B2 (ja) * | 2003-09-17 | 2010-02-10 | パナソニック株式会社 | 音源信号符号化装置、及び音源信号符号化方法 |
FR2867649A1 (fr) | 2003-12-10 | 2005-09-16 | France Telecom | Procede de codage multiple optimise |
EP1709743A1 (fr) * | 2004-01-30 | 2006-10-11 | France Telecom S.A. | Quantification vectorielle en dimension et resolution variables |
US8712766B2 (en) * | 2006-05-16 | 2014-04-29 | Motorola Mobility Llc | Method and system for coding an information signal using closed loop adaptive bit allocation |
US7230550B1 (en) | 2006-05-16 | 2007-06-12 | Motorola, Inc. | Low-complexity bit-robust method and system for combining codewords to form a single codeword |
JP5596341B2 (ja) * | 2007-03-02 | 2014-09-24 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 音声符号化装置および音声符号化方法 |
US7898763B2 (en) * | 2009-01-13 | 2011-03-01 | International Business Machines Corporation | Servo pattern architecture to uncouple position error determination from linear position information |
US8280729B2 (en) * | 2010-01-22 | 2012-10-02 | Research In Motion Limited | System and method for encoding and decoding pulse indices |
US9626982B2 (en) | 2011-02-15 | 2017-04-18 | Voiceage Corporation | Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codec |
AU2012218778B2 (en) * | 2011-02-15 | 2016-10-20 | Voiceage Evs Llc | Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a celp codec |
US9728200B2 (en) | 2013-01-29 | 2017-08-08 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding |
US9620134B2 (en) | 2013-10-10 | 2017-04-11 | Qualcomm Incorporated | Gain shape estimation for improved tracking of high-band temporal characteristics |
US10614816B2 (en) | 2013-10-11 | 2020-04-07 | Qualcomm Incorporated | Systems and methods of communicating redundant frame information |
US10083708B2 (en) | 2013-10-11 | 2018-09-25 | Qualcomm Incorporated | Estimation of mixing factors to generate high-band excitation signal |
US9384746B2 (en) | 2013-10-14 | 2016-07-05 | Qualcomm Incorporated | Systems and methods of energy-scaled signal processing |
US10163447B2 (en) | 2013-12-16 | 2018-12-25 | Qualcomm Incorporated | High-band signal modeling |
JP6962269B2 (ja) * | 2018-05-10 | 2021-11-05 | 日本電信電話株式会社 | ピッチ強調装置、その方法、およびプログラム |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0398318A (ja) * | 1989-09-11 | 1991-04-23 | Fujitsu Ltd | 音声符号化方式 |
US5657418A (en) * | 1991-09-05 | 1997-08-12 | Motorola, Inc. | Provision of speech coder gain information using multiple coding modes |
EP0556354B1 (en) * | 1991-09-05 | 2001-10-31 | Motorola, Inc. | Error protection for multimode speech coders |
US5734789A (en) * | 1992-06-01 | 1998-03-31 | Hughes Electronics | Voiced, unvoiced or noise modes in a CELP vocoder |
KR960009530B1 (en) * | 1993-12-20 | 1996-07-20 | Korea Electronics Telecomm | Method for shortening processing time in pitch checking method for vocoder |
US5784532A (en) * | 1994-02-16 | 1998-07-21 | Qualcomm Incorporated | Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system |
EP0788091A3 (en) * | 1996-01-31 | 1999-02-24 | Kabushiki Kaisha Toshiba | Speech encoding and decoding method and apparatus therefor |
-
1998
- 1998-05-28 US US09/086,149 patent/US6141638A/en not_active Expired - Lifetime
-
1999
- 1999-05-27 BR BR9904633-4A patent/BR9904633A/pt not_active Application Discontinuation
- 1999-05-28 KR KR1019990019337A patent/KR100310811B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US6141638A (en) | 2000-10-31 |
KR19990088610A (ko) | 1999-12-27 |
BR9904633A (pt) | 2000-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100310811B1 (ko) | 정보 신호 코드화 방법 및 장치 | |
US5991717A (en) | Analysis-by-synthesis linear predictive speech coder with restricted-position multipulse and transformed binary pulse excitation | |
JP4064236B2 (ja) | 広帯域信号コーディング用の代数コードブック中のパルス位置と符号の索引付け方法 | |
US7778827B2 (en) | Method and device for gain quantization in variable bit rate wideband speech coding | |
CA2177421C (en) | Pitch delay modification during frame erasures | |
EP0749110A2 (en) | Adaptive codebook-based speech compression system | |
EP0747883A2 (en) | Voiced/unvoiced classification of speech for use in speech decoding during frame erasures | |
US5359696A (en) | Digital speech coder having improved sub-sample resolution long-term predictor | |
US6678651B2 (en) | Short-term enhancement in CELP speech coding | |
AU669788B2 (en) | Method for generating a spectral noise weighting filter for use in a speech coder | |
JP3089769B2 (ja) | 音声符号化装置 | |
JP3064947B2 (ja) | 音声・楽音符号化及び復号化装置 | |
US6415252B1 (en) | Method and apparatus for coding and decoding speech | |
KR20040043278A (ko) | 음성 부호화기 및 이를 이용한 음성 부호화 방법 | |
Atal et al. | Beyond multipulse and CELP towards high quality speech at 4 kb/s | |
US6041298A (en) | Method for synthesizing a frame of a speech signal with a computed stochastic excitation part | |
KR100409167B1 (ko) | 정보 신호를 부호화하는 방법 및 장치 | |
JP3490325B2 (ja) | 音声信号符号化方法、復号方法およびその符号化器、復号器 | |
JP3103108B2 (ja) | 音声符号化装置 | |
JP3114799B2 (ja) | コード駆動線形予測音声符号化/復号化方式 | |
JPH041800A (ja) | 音声帯域信号符号化方法 | |
JPH10105200A (ja) | 音声符号化/復号化方法 | |
US20030163318A1 (en) | Compression/decompression technique for speech synthesis | |
MXPA94001375A (en) | Method for the generation of a spectral filter of noise weighting for use in a codifier of |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120830 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20130830 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20140828 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20150904 Year of fee payment: 15 |
|
FPAY | Annual fee payment |
Payment date: 20160908 Year of fee payment: 16 |
|
FPAY | Annual fee payment |
Payment date: 20170911 Year of fee payment: 17 |
|
FPAY | Annual fee payment |
Payment date: 20180905 Year of fee payment: 18 |
|
EXPY | Expiration of term |