PL2301020T3 - Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu - Google Patents
Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasinguInfo
- Publication number
- PL2301020T3 PL2301020T3 PL09776763T PL09776763T PL2301020T3 PL 2301020 T3 PL2301020 T3 PL 2301020T3 PL 09776763 T PL09776763 T PL 09776763T PL 09776763 T PL09776763 T PL 09776763T PL 2301020 T3 PL2301020 T3 PL 2301020T3
- Authority
- PL
- Poland
- Prior art keywords
- decoding
- encoding
- audio signal
- switch scheme
- aliasing
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 1
Classifications
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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
-
- 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
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based 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
- G10L19/02—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
-
- 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
-
- 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
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)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7985208P | 2008-07-11 | 2008-07-11 | |
| PCT/EP2009/004374 WO2010003532A1 (en) | 2008-07-11 | 2009-06-17 | Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
| EP09776763A EP2301020B1 (en) | 2008-07-11 | 2009-06-17 | Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2301020T3 true PL2301020T3 (pl) | 2013-06-28 |
Family
ID=41058650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL09776763T PL2301020T3 (pl) | 2008-07-11 | 2009-06-17 | Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US8862480B2 (pl) |
| EP (1) | EP2301020B1 (pl) |
| JP (1) | JP5551693B2 (pl) |
| KR (1) | KR101250309B1 (pl) |
| CN (1) | CN102089812B (pl) |
| AR (1) | AR072479A1 (pl) |
| AU (1) | AU2009267518B2 (pl) |
| BR (1) | BRPI0910783B1 (pl) |
| CA (1) | CA2730355C (pl) |
| CO (1) | CO6341672A2 (pl) |
| ES (1) | ES2401487T3 (pl) |
| MX (1) | MX2011000373A (pl) |
| MY (1) | MY152252A (pl) |
| PL (1) | PL2301020T3 (pl) |
| RU (1) | RU2492530C2 (pl) |
| TW (1) | TWI426503B (pl) |
| WO (1) | WO2010003532A1 (pl) |
| ZA (1) | ZA201009259B (pl) |
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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 |
| FR2936898A1 (fr) * | 2008-10-08 | 2010-04-09 | France Telecom | Codage a echantillonnage critique avec codeur predictif |
| KR101649376B1 (ko) | 2008-10-13 | 2016-08-31 | 한국전자통신연구원 | Ｍｄｃｔ 기반 음성/오디오 통합 부호화기의 ｌｐｃ 잔차신호 부호화/복호화 장치 |
| WO2010044593A2 (ko) | 2008-10-13 | 2010-04-22 | 한국전자통신연구원 | Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치 |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| US8457975B2 (en) * | 2009-01-28 | 2013-06-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program |
| US8892427B2 (en) * | 2009-07-27 | 2014-11-18 | Industry-Academic Cooperation Foundation, Yonsei University | Method and an apparatus for processing an audio signal |
| PL2471061T3 (pl) | 2009-10-08 | 2014-03-31 | Fraunhofer Ges Forschung | Działający w wielu trybach dekoder sygnału audio, działający w wielu trybach koder sygnału audio, sposoby i program komputerowy stosujące kształtowanie szumu oparte o kodowanie z wykorzystaniem predykcji liniowej |
| WO2011048117A1 (en) * | 2009-10-20 | 2011-04-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation |
| FR2956495B1 (fr) * | 2010-02-18 | 2021-08-06 | Snecma | Procede de numerisation d'un signal analogique par un convertisseur analogique-numerique de frequence de shannon determinee |
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| WO2011158485A2 (ja) | 2010-06-14 | 2011-12-22 | パナソニック株式会社 | オーディオハイブリッド符号化装置およびオーディオハイブリッド復号装置 |
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| JP5699141B2 (ja) * | 2009-06-23 | 2015-04-08 | ヴォイスエイジ・コーポレーション | 重み付けされた信号領域またはオリジナルの信号領域で適用される順方向時間領域エイリアシング取り消し |
| WO2011158485A2 (ja) * | 2010-06-14 | 2011-12-22 | パナソニック株式会社 | オーディオハイブリッド符号化装置およびオーディオハイブリッド復号装置 |
| KR101456639B1 (ko) * | 2010-07-08 | 2014-11-04 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 포워드 앨리어싱 취소를 이용한 코더 |
| CN103282958B (zh) * | 2010-10-15 | 2016-03-30 | 华为技术有限公司 | 信号分析器、信号分析方法、信号合成器、信号合成方法、变换器和反向变换器 |
-
2009
- 2009-06-17 MY MYPI20110039 patent/MY152252A/en unknown
- 2009-06-17 BR BRPI0910783-5A patent/BRPI0910783B1/pt active IP Right Grant
- 2009-06-17 KR KR1020117000636A patent/KR101250309B1/ko active Active
- 2009-06-17 RU RU2011102426/08A patent/RU2492530C2/ru active
- 2009-06-17 CA CA2730355A patent/CA2730355C/en active Active
- 2009-06-17 JP JP2011516982A patent/JP5551693B2/ja active Active
- 2009-06-17 CN CN200980127114XA patent/CN102089812B/zh active Active
- 2009-06-17 EP EP09776763A patent/EP2301020B1/en active Active
- 2009-06-17 AU AU2009267518A patent/AU2009267518B2/en active Active
- 2009-06-17 ES ES09776763T patent/ES2401487T3/es active Active
- 2009-06-17 WO PCT/EP2009/004374 patent/WO2010003532A1/en not_active Ceased
- 2009-06-17 PL PL09776763T patent/PL2301020T3/pl unknown
- 2009-06-17 MX MX2011000373A patent/MX2011000373A/es active IP Right Grant
- 2009-06-29 TW TW098121856A patent/TWI426503B/zh active
- 2009-07-07 AR ARP090102545A patent/AR072479A1/es active IP Right Grant
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- 2010-12-29 CO CO10164069A patent/CO6341672A2/es active IP Right Grant
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Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0910783A2 (pt) | 2020-11-03 |
| AU2009267518B2 (en) | 2012-08-16 |
| KR101250309B1 (ko) | 2013-04-04 |
| RU2492530C2 (ru) | 2013-09-10 |
| CN102089812A (zh) | 2011-06-08 |
| ZA201009259B (en) | 2011-09-28 |
| JP5551693B2 (ja) | 2014-07-16 |
| AU2009267518A1 (en) | 2010-01-14 |
| ES2401487T3 (es) | 2013-04-22 |
| CO6341672A2 (es) | 2011-11-21 |
| TW201011737A (en) | 2010-03-16 |
| CA2730355A1 (en) | 2010-01-14 |
| TWI426503B (zh) | 2014-02-11 |
| HK1155842A1 (en) | 2012-05-25 |
| EP2301020B1 (en) | 2013-01-02 |
| EP2301020A1 (en) | 2011-03-30 |
| MX2011000373A (es) | 2011-03-15 |
| US20110173009A1 (en) | 2011-07-14 |
| JP2011527446A (ja) | 2011-10-27 |
| BRPI0910783B1 (pt) | 2024-02-27 |
| RU2011102426A (ru) | 2012-07-27 |
| CA2730355C (en) | 2016-03-22 |
| WO2010003532A1 (en) | 2010-01-14 |
| MY152252A (en) | 2014-09-15 |
| CN102089812B (zh) | 2013-03-20 |
| US8862480B2 (en) | 2014-10-14 |
| AR072479A1 (es) | 2010-09-01 |
| KR20110040823A (ko) | 2011-04-20 |
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