JPH11504733A - 聴覚モデルによる量子化を伴う予測残余信号の変形符号化による多段音声符号器 - Google Patents
聴覚モデルによる量子化を伴う予測残余信号の変形符号化による多段音声符号器Info
- Publication number
- JPH11504733A JPH11504733A JP9530382A JP53038297A JPH11504733A JP H11504733 A JPH11504733 A JP H11504733A JP 9530382 A JP9530382 A JP 9530382A JP 53038297 A JP53038297 A JP 53038297A JP H11504733 A JPH11504733 A JP H11504733A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- pitch
- lpc
- processor
- quantized
- 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.)
- Pending
Links
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- 230000008447 perception Effects 0.000 abstract description 5
- 238000005070 sampling Methods 0.000 abstract description 4
- 239000013598 vector Substances 0.000 description 59
- 238000007493 shaping process Methods 0.000 description 29
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- 238000004458 analytical method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000012937 correction Methods 0.000 description 5
- 230000005284 excitation Effects 0.000 description 5
- 238000010606 normalization Methods 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 5
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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
- G10L19/002—Dynamic bit allocation
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1229696P | 1996-02-26 | 1996-02-26 | |
| US60/012,296 | 1996-02-26 | ||
| PCT/US1997/002898 WO1997031367A1 (en) | 1996-02-26 | 1997-02-26 | Multi-stage speech coder with transform coding of prediction residual signals with quantization by auditory models |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11504733A true JPH11504733A (ja) | 1999-04-27 |
Family
ID=21754300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9530382A Pending JPH11504733A (ja) | 1996-02-26 | 1997-02-26 | 聴覚モデルによる量子化を伴う予測残余信号の変形符号化による多段音声符号器 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0954851A1 (enrdf_load_stackoverflow) |
| JP (1) | JPH11504733A (enrdf_load_stackoverflow) |
| CA (1) | CA2219358A1 (enrdf_load_stackoverflow) |
| MX (1) | MX9708203A (enrdf_load_stackoverflow) |
| WO (1) | WO1997031367A1 (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002041099A (ja) * | 2000-06-02 | 2002-02-08 | Lucent Technol Inc | マスク済み閾値表現方法、再構成方法、及びそのシステム |
| WO2005036527A1 (ja) * | 2003-10-07 | 2005-04-21 | Matsushita Electric Industrial Co., Ltd. | スペクトル包絡線符号化のための時間境界及び周波数分解能の決定方法 |
| JP2009537033A (ja) * | 2006-05-12 | 2009-10-22 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ | 情報信号符号化 |
| JP2014531063A (ja) * | 2011-10-24 | 2014-11-20 | エルジー エレクトロニクスインコーポレイティド | 音声信号の帯域選択的量子化方法及び装置 |
| US20230245666A1 (en) * | 2022-01-28 | 2023-08-03 | Electronics And Telecommunications Research Institute | Encoding method, encoding device, decoding method, and decoding device using scalar quantization and vector quantization |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6397178B1 (en) * | 1998-09-18 | 2002-05-28 | Conexant Systems, Inc. | Data organizational scheme for enhanced selection of gain parameters for speech coding |
| KR100871999B1 (ko) * | 2001-05-08 | 2008-12-05 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 코딩 |
| CA2976485C (en) | 2010-07-02 | 2018-07-24 | Dolby International Ab | Audio decoder |
| WO2012161675A1 (en) * | 2011-05-20 | 2012-11-29 | Google Inc. | Redundant coding unit for audio codec |
| CN111862995A (zh) * | 2020-06-22 | 2020-10-30 | 北京达佳互联信息技术有限公司 | 一种码率确定模型训练方法、码率确定方法及装置 |
| CN116052695A (zh) * | 2022-10-28 | 2023-05-02 | 陕西师范大学 | 一种基于波运算的音频听觉密码方法、系统及设备 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5012517A (en) * | 1989-04-18 | 1991-04-30 | Pacific Communication Science, Inc. | Adaptive transform coder having long term predictor |
| FR2700632B1 (fr) * | 1993-01-21 | 1995-03-24 | France Telecom | Système de codage-décodage prédictif d'un signal numérique de parole par transformée adaptative à codes imbriqués. |
-
1997
- 1997-02-26 JP JP9530382A patent/JPH11504733A/ja active Pending
- 1997-02-26 WO PCT/US1997/002898 patent/WO1997031367A1/en not_active Application Discontinuation
- 1997-02-26 CA CA 2219358 patent/CA2219358A1/en not_active Abandoned
- 1997-02-26 EP EP97907830A patent/EP0954851A1/en not_active Withdrawn
- 1997-02-26 MX MX9708203A patent/MX9708203A/es unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002041099A (ja) * | 2000-06-02 | 2002-02-08 | Lucent Technol Inc | マスク済み閾値表現方法、再構成方法、及びそのシステム |
| WO2005036527A1 (ja) * | 2003-10-07 | 2005-04-21 | Matsushita Electric Industrial Co., Ltd. | スペクトル包絡線符号化のための時間境界及び周波数分解能の決定方法 |
| US7451091B2 (en) | 2003-10-07 | 2008-11-11 | Matsushita Electric Industrial Co., Ltd. | Method for determining time borders and frequency resolutions for spectral envelope coding |
| JP2009537033A (ja) * | 2006-05-12 | 2009-10-22 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ | 情報信号符号化 |
| JP2014531063A (ja) * | 2011-10-24 | 2014-11-20 | エルジー エレクトロニクスインコーポレイティド | 音声信号の帯域選択的量子化方法及び装置 |
| US20230245666A1 (en) * | 2022-01-28 | 2023-08-03 | Electronics And Telecommunications Research Institute | Encoding method, encoding device, decoding method, and decoding device using scalar quantization and vector quantization |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0954851A1 (en) | 1999-11-10 |
| CA2219358A1 (en) | 1997-08-28 |
| MX9708203A (es) | 1997-12-31 |
| EP0954851A4 (enrdf_load_stackoverflow) | 1999-11-10 |
| WO1997031367A1 (en) | 1997-08-28 |
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