ES2639747T3 - Dispositivo y método para cuantificar filtros de LPC en una súper-trama - Google Patents
Dispositivo y método para cuantificar filtros de LPC en una súper-trama Download PDFInfo
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- ES2639747T3 ES2639747T3 ES09793768.4T ES09793768T ES2639747T3 ES 2639747 T3 ES2639747 T3 ES 2639747T3 ES 09793768 T ES09793768 T ES 09793768T ES 2639747 T3 ES2639747 T3 ES 2639747T3
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000011002 quantification Methods 0.000 claims abstract description 178
- 101000959200 Lytechinus pictus Actin, cytoskeletal 2 Proteins 0.000 claims abstract description 83
- 101000797296 Lytechinus pictus Actin, cytoskeletal 3 Proteins 0.000 claims abstract description 33
- 102100040006 Annexin A1 Human genes 0.000 claims abstract description 32
- 101000959738 Homo sapiens Annexin A1 Proteins 0.000 claims abstract description 32
- 101000929342 Lytechinus pictus Actin, cytoskeletal 1 Proteins 0.000 claims abstract description 32
- 230000003044 adaptive effect Effects 0.000 claims abstract description 5
- 238000013139 quantization Methods 0.000 claims description 58
- 101000799321 Lytechinus pictus Actin, cytoskeletal 4 Proteins 0.000 abstract 5
- 239000013598 vector Substances 0.000 description 153
- 230000006870 function Effects 0.000 description 14
- 230000003595 spectral effect Effects 0.000 description 13
- 230000008859 change Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000005284 excitation Effects 0.000 description 9
- 230000008901 benefit Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 8
- 238000013459 approach Methods 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 7
- 238000013213 extrapolation Methods 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 5
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- 230000006872 improvement Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
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- 101100379142 Mus musculus Anxa1 gene Proteins 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
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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
- G10L19/04—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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
-
- 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
- H03M7/3082—Vector coding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12966908P | 2008-07-10 | 2008-07-10 | |
| US129669P | 2008-07-10 | ||
| US20207509P | 2009-01-27 | 2009-01-27 | |
| US202075P | 2009-01-27 | ||
| PCT/CA2009/000979 WO2010003252A1 (en) | 2008-07-10 | 2009-07-10 | Device and method for quantizing and inverse quantizing lpc filters in a super-frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2639747T3 true ES2639747T3 (es) | 2017-10-30 |
Family
ID=41506638
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES09793768.4T Active ES2639747T3 (es) | 2008-07-10 | 2009-07-10 | Dispositivo y método para cuantificar filtros de LPC en una súper-trama |
| ES09793770.0T Active ES2650492T3 (es) | 2008-07-10 | 2009-07-10 | Dispositivo y método de cuantificación de filtro LPC de múltiples referencias |
| ES09793769.2T Active ES2645375T3 (es) | 2008-07-10 | 2009-07-10 | Dispositivo y método de cuantificación y cuantificación inversa de filtro LPC de tasa de bits variable |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES09793770.0T Active ES2650492T3 (es) | 2008-07-10 | 2009-07-10 | Dispositivo y método de cuantificación de filtro LPC de múltiples referencias |
| ES09793769.2T Active ES2645375T3 (es) | 2008-07-10 | 2009-07-10 | Dispositivo y método de cuantificación y cuantificación inversa de filtro LPC de tasa de bits variable |
Country Status (16)
| Country | Link |
|---|---|
| US (4) | US9245532B2 (enExample) |
| EP (3) | EP2301022B1 (enExample) |
| JP (2) | JP2011527442A (enExample) |
| KR (2) | KR101604774B1 (enExample) |
| CN (2) | CN102119414B (enExample) |
| BR (1) | BRPI0915450B1 (enExample) |
| CA (5) | CA2729752C (enExample) |
| CY (3) | CY1119501T1 (enExample) |
| DK (3) | DK2313887T3 (enExample) |
| ES (3) | ES2639747T3 (enExample) |
| MX (1) | MX2011000363A (enExample) |
| NO (1) | NO2313887T3 (enExample) |
| PL (1) | PL2313887T3 (enExample) |
| PT (3) | PT2313887T (enExample) |
| RU (2) | RU2011104813A (enExample) |
| WO (3) | WO2010003254A1 (enExample) |
Families Citing this family (27)
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| DK2535894T3 (en) * | 2007-03-02 | 2015-04-13 | Ericsson Telefon Ab L M | Practices and devices in a telecommunications network |
| CN101308655B (zh) * | 2007-05-16 | 2011-07-06 | 展讯通信（上海）有限公司 | 一种音频编解码方法与装置 |
| DE602008005250D1 (de) * | 2008-01-04 | 2011-04-14 | Dolby Sweden Ab | Audiokodierer und -dekodierer |
| US20110158189A1 (en) * | 2009-12-29 | 2011-06-30 | Industrial Technology Research Institute | Methods and Apparatus for Multi-Transmitter Collaborative Communications Systems |
| KR101660843B1 (ko) * | 2010-05-27 | 2016-09-29 | 삼성전자주식회사 | Ｌｐｃ 계수 양자화를 위한 가중치 함수 결정 장치 및 방법 |
| JP5882895B2 (ja) * | 2010-06-14 | 2016-03-09 | パナソニック株式会社 | 復号装置 |
| IL311020B2 (en) * | 2010-07-02 | 2025-06-01 | Dolby Int Ab | Selective bass post filter |
| KR101747917B1 (ko) * | 2010-10-18 | 2017-06-15 | 삼성전자주식회사 | 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법 |
| EP2761616A4 (en) * | 2011-10-18 | 2015-06-24 | Ericsson Telefon Ab L M | IMPROVED METHOD AND DEVICE FOR AN ADAPTIVE MULTIRATE CODEC |
| US9842598B2 (en) * | 2013-02-21 | 2017-12-12 | Qualcomm Incorporated | Systems and methods for mitigating potential frame instability |
| US9208775B2 (en) * | 2013-02-21 | 2015-12-08 | Qualcomm Incorporated | Systems and methods for determining pitch pulse period signal boundaries |
| EP2981961B1 (en) * | 2013-04-05 | 2017-05-10 | Dolby International AB | Advanced quantizer |
| ES2629025T3 (es) | 2013-05-24 | 2017-08-07 | Dolby International Ab | Codificador y descodificador de audio |
| FR3008533A1 (fr) * | 2013-07-12 | 2015-01-16 | Orange | Facteur d'echelle optimise pour l'extension de bande de frequence dans un decodeur de signaux audiofrequences |
| CN107818789B (zh) * | 2013-07-16 | 2020-11-17 | 华为技术有限公司 | 解码方法和解码装置 |
| US10970967B2 (en) * | 2014-09-24 | 2021-04-06 | Jcm American Corporation | Electronic voucher ticket system |
| US9407989B1 (en) | 2015-06-30 | 2016-08-02 | Arthur Woodrow | Closed audio circuit |
| EP3335215B1 (en) * | 2016-03-21 | 2020-05-13 | Huawei Technologies Co., Ltd. | Adaptive quantization of weighted matrix coefficients |
| US10366698B2 (en) | 2016-08-30 | 2019-07-30 | Dts, Inc. | Variable length coding of indices and bit scheduling in a pyramid vector quantizer |
| US11315584B2 (en) | 2017-12-19 | 2022-04-26 | Dolby International Ab | Methods and apparatus for unified speech and audio decoding QMF based harmonic transposer improvements |
| TWI812658B (zh) | 2017-12-19 | 2023-08-21 | 瑞典商都比國際公司 | 用於統一語音及音訊之解碼及編碼去關聯濾波器之改良之方法、裝置及系統 |
| EP3729298A1 (en) | 2017-12-19 | 2020-10-28 | Dolby International AB | Methods and apparatus systems for unified speech and audio decoding improvements |
| US10950251B2 (en) * | 2018-03-05 | 2021-03-16 | Dts, Inc. | Coding of harmonic signals in transform-based audio codecs |
| CN113571073A (zh) * | 2020-04-28 | 2021-10-29 | 华为技术有限公司 | 一种线性预测编码参数的编码方法和编码装置 |
| EP4447044A3 (en) * | 2020-07-07 | 2024-10-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio quantizer and audio dequantizer and related methods |
| US12424227B2 (en) * | 2020-11-05 | 2025-09-23 | Nippon Telegraph And Telephone Corporation | Sound signal refinement method, sound signal decode method, apparatus thereof, program, and storage medium |
| US12354614B2 (en) * | 2022-10-28 | 2025-07-08 | Electronics And Telecommunications Research Institute | Speech coding method and apparatus for performing the same |
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