CA2739736C - Multi-resolution switched audio encoding/decoding scheme - Google Patents
Multi-resolution switched audio encoding/decoding scheme Download PDFInfo
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- CA2739736C CA2739736C CA2739736A CA2739736A CA2739736C CA 2739736 C CA2739736 C CA 2739736C CA 2739736 A CA2739736 A CA 2739736A CA 2739736 A CA2739736 A CA 2739736A CA 2739736 C CA2739736 C CA 2739736C
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- 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
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
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- 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
-
- 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
-
- 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
- G10L19/02—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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
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- 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)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10382508P | 2008-10-08 | 2008-10-08 | |
| EP08017663 | 2008-10-08 | ||
| EP08017663.9 | 2008-10-08 | ||
| US61/103,825 | 2008-10-08 | ||
| EP09002271A EP2144230A1 (en) | 2008-07-11 | 2009-02-18 | Low bitrate audio encoding/decoding scheme having cascaded switches |
| EP09002271.6 | 2009-02-18 | ||
| PCT/EP2009/007205 WO2010040522A2 (en) | 2008-10-08 | 2009-10-07 | Multi-resolution switched audio encoding/decoding scheme |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2739736A1 CA2739736A1 (en) | 2010-04-15 |
| CA2739736C true CA2739736C (en) | 2015-12-01 |
Family
ID=42101010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2739736A Active CA2739736C (en) | 2008-10-08 | 2009-10-07 | Multi-resolution switched audio encoding/decoding scheme |
Country Status (14)
| Country | Link |
|---|---|
| EP (2) | EP3640941A1 (pt) |
| JP (1) | JP5555707B2 (pt) |
| KR (3) | KR20130133917A (pt) |
| CN (1) | CN102177426B (pt) |
| AR (1) | AR076060A1 (pt) |
| BR (1) | BRPI0914056B1 (pt) |
| CA (1) | CA2739736C (pt) |
| CO (1) | CO6362072A2 (pt) |
| MX (1) | MX2011003824A (pt) |
| MY (1) | MY154633A (pt) |
| RU (1) | RU2520402C2 (pt) |
| TW (2) | TWI419148B (pt) |
| WO (1) | WO2010040522A2 (pt) |
| ZA (1) | ZA201102537B (pt) |
Families Citing this family (72)
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| EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
| JP5547810B2 (ja) | 2009-07-27 | 2014-07-16 | インダストリー−アカデミック コーペレイション ファウンデイション， ヨンセイ ユニバーシティ | オーディオ信号を処理する方法及び装置 |
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| CN102934161B (zh) * | 2010-06-14 | 2015-08-26 | 松下电器产业株式会社 | 音频混合编码装置以及音频混合解码装置 |
| EP3079153B1 (en) | 2010-07-02 | 2018-08-01 | Dolby International AB | Audio decoding with selective post filtering |
| MY179769A (en) * | 2010-07-20 | 2020-11-13 | Fraunhofer Ges Forschung | Audio encoder, audio decoder,method for encoding and audio information, method for decoding an audio information and computer program using an optimized hash table |
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| WO2012110447A1 (en) | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for error concealment in low-delay unified speech and audio coding (usac) |
| AU2012217162B2 (en) | 2011-02-14 | 2015-11-26 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Noise generation in audio codecs |
| EP2676268B1 (en) | 2011-02-14 | 2014-12-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for processing a decoded audio signal in a spectral domain |
| WO2012110473A1 (en) | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion |
| JP5914527B2 (ja) | 2011-02-14 | 2016-05-11 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 過渡検出及び品質結果を使用してオーディオ信号の一部分を符号化する装置及び方法 |
| PL2550653T3 (pl) | 2011-02-14 | 2014-09-30 | Fraunhofer Ges Forschung | Reprezentacja sygnału informacyjnego z użyciem transformacji zakładkowej |
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| BR122021000241B1 (pt) | 2011-04-21 | 2022-08-30 | Samsung Electronics Co., Ltd | Aparelho de quantização de coeficientes de codificação preditiva linear |
| CA2833874C (en) | 2011-04-21 | 2019-11-05 | Ho-Sang Sung | Method of quantizing linear predictive coding coefficients, sound encoding method, method of de-quantizing linear predictive coding coefficients, sound decoding method, and recording medium |
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| EP4488997A3 (en) | 2011-11-03 | 2025-01-22 | VoiceAge EVS LLC | Improving non-speech content for low rate celp decoder |
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| CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
| FI118835B (fi) * | 2004-02-23 | 2008-03-31 | Nokia Corp | Koodausmallin valinta |
| US7596486B2 (en) * | 2004-05-19 | 2009-09-29 | Nokia Corporation | Encoding an audio signal using different audio coder modes |
| US8744862B2 (en) * | 2006-08-18 | 2014-06-03 | Digital Rise Technology Co., Ltd. | Window selection based on transient detection and location to provide variable time resolution in processing frame-based data |
| KR20080101872A (ko) * | 2006-01-18 | 2008-11-21 | 연세대학교 산학협력단 | 부호화/복호화 장치 및 방법 |
| BRPI0718738B1 (pt) * | 2006-12-12 | 2023-05-16 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Codificador, decodificador e métodos para codificação e decodificação de segmentos de dados representando uma corrente de dados de domínio de tempo |
| KR100883656B1 (ko) * | 2006-12-28 | 2009-02-18 | 삼성전자주식회사 | 오디오 신호의 분류 방법 및 장치와 이를 이용한 오디오신호의 부호화/복호화 방법 및 장치 |
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2009
- 2009-10-07 JP JP2011530415A patent/JP5555707B2/ja active Active
- 2009-10-07 TW TW098133982A patent/TWI419148B/zh active
- 2009-10-07 CA CA2739736A patent/CA2739736C/en active Active
- 2009-10-07 TW TW102120721A patent/TWI520128B/zh active
- 2009-10-07 RU RU2011117699/08A patent/RU2520402C2/ru active
- 2009-10-07 KR KR1020137031257A patent/KR20130133917A/ko not_active Ceased
- 2009-10-07 KR KR1020137011185A patent/KR20130069833A/ko not_active Withdrawn
- 2009-10-07 MY MYPI2011001560A patent/MY154633A/en unknown
- 2009-10-07 KR KR1020117010644A patent/KR101403115B1/ko active Active
- 2009-10-07 EP EP19213835.2A patent/EP3640941A1/en not_active Ceased
- 2009-10-07 MX MX2011003824A patent/MX2011003824A/es active IP Right Grant
- 2009-10-07 CN CN200980140055.XA patent/CN102177426B/zh active Active
- 2009-10-07 WO PCT/EP2009/007205 patent/WO2010040522A2/en not_active Ceased
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- 2009-10-07 BR BRPI0914056-5A patent/BRPI0914056B1/pt active IP Right Grant
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102177426B (zh) | 2014-11-05 |
| KR20130133917A (ko) | 2013-12-09 |
| TW201344679A (zh) | 2013-11-01 |
| AU2009301358A1 (en) | 2010-04-15 |
| KR20110081291A (ko) | 2011-07-13 |
| CA2739736A1 (en) | 2010-04-15 |
| TW201142827A (en) | 2011-12-01 |
| EP3640941A1 (en) | 2020-04-22 |
| AR076060A1 (es) | 2011-05-18 |
| MY154633A (en) | 2015-07-15 |
| TWI419148B (zh) | 2013-12-11 |
| JP5555707B2 (ja) | 2014-07-23 |
| AU2009301358A8 (en) | 2011-05-26 |
| RU2011117699A (ru) | 2012-11-10 |
| JP2012505423A (ja) | 2012-03-01 |
| MX2011003824A (es) | 2011-05-02 |
| CO6362072A2 (es) | 2012-01-20 |
| BRPI0914056B1 (pt) | 2019-07-02 |
| BRPI0914056A2 (pt) | 2015-11-03 |
| WO2010040522A2 (en) | 2010-04-15 |
| ZA201102537B (en) | 2011-12-28 |
| TWI520128B (zh) | 2016-02-01 |
| KR20130069833A (ko) | 2013-06-26 |
| CN102177426A (zh) | 2011-09-07 |
| KR101403115B1 (ko) | 2014-06-27 |
| EP2345030A2 (en) | 2011-07-20 |
| WO2010040522A3 (en) | 2010-09-02 |
| RU2520402C2 (ru) | 2014-06-27 |
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