ZA201009259B - Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme - Google Patents
Apparatus and method for encoding/decoding an audio signal using an aliasing switch schemeInfo
- Publication number
- ZA201009259B ZA201009259B ZA2010/09259A ZA201009259A ZA201009259B ZA 201009259 B ZA201009259 B ZA 201009259B ZA 2010/09259 A ZA2010/09259 A ZA 2010/09259A ZA 201009259 A ZA201009259 A ZA 201009259A ZA 201009259 B ZA201009259 B ZA 201009259B
- Authority
- ZA
- South Africa
- Prior art keywords
- decoding
- encoding
- audio signal
- switch scheme
- aliasing
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 1
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
- G10L19/16—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 (2)
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA201009259B true ZA201009259B (en) | 2011-09-28 |
Family
ID=41058650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2010/09259A ZA201009259B (en) | 2008-07-11 | 2010-12-23 | Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US8862480B2 (https=) |
| EP (1) | EP2301020B1 (https=) |
| JP (1) | JP5551693B2 (https=) |
| KR (1) | KR101250309B1 (https=) |
| CN (1) | CN102089812B (https=) |
| AR (1) | AR072479A1 (https=) |
| AU (1) | AU2009267518B2 (https=) |
| BR (1) | BRPI0910783B1 (https=) |
| CA (1) | CA2730355C (https=) |
| CO (1) | CO6341672A2 (https=) |
| ES (1) | ES2401487T3 (https=) |
| MX (1) | MX2011000373A (https=) |
| MY (1) | MY152252A (https=) |
| PL (1) | PL2301020T3 (https=) |
| RU (1) | RU2492530C2 (https=) |
| TW (1) | TWI426503B (https=) |
| WO (1) | WO2010003532A1 (https=) |
| ZA (1) | ZA201009259B (https=) |
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| MX2011000375A (es) * | 2008-07-11 | 2011-05-19 | Fraunhofer Ges Forschung | Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada. |
| 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 |
| WO2010044593A2 (ko) | 2008-10-13 | 2010-04-22 | 한국전자통신연구원 | Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치 |
| KR101649376B1 (ko) * | 2008-10-13 | 2016-08-31 | 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 |
| EP2460158A4 (en) * | 2009-07-27 | 2013-09-04 | METHOD AND DEVICE FOR PROCESSING A TONE SIGNAL | |
| ES2441069T3 (es) | 2009-10-08 | 2014-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decodificador multimodo para señal de audio, codificador multimodo para señal de audio, procedimiento y programa de computación que usan un modelado de ruido en base a linealidad-predicción-codificación |
| MX2012004648A (es) * | 2009-10-20 | 2012-05-29 | Fraunhofer Ges Forschung | Codificacion de señal de audio, decodificador de señal de audio, metodo para codificar o decodificar una señal de audio utilizando una cancelacion del tipo aliasing. |
| 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 |
| EP2375409A1 (en) * | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
| JP5882895B2 (ja) | 2010-06-14 | 2016-03-09 | パナソニック株式会社 | 復号装置 |
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| ES2710554T3 (es) * | 2010-07-08 | 2019-04-25 | Fraunhofer Ges Forschung | Codificador que utiliza cancelación del efecto de solapamiento hacia delante |
| EP2619758B1 (en) | 2010-10-15 | 2015-08-19 | Huawei Technologies Co., Ltd. | Audio signal transformer and inverse transformer, methods for audio signal analysis and synthesis |
| TWI564882B (zh) | 2011-02-14 | 2017-01-01 | 弗勞恩霍夫爾協會 | 利用重疊變換之資訊信號表示技術（一） |
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2009
- 2009-06-17 PL PL09776763T patent/PL2301020T3/pl unknown
- 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 ES ES09776763T patent/ES2401487T3/es active Active
- 2009-06-17 KR KR1020117000636A patent/KR101250309B1/ko active Active
- 2009-06-17 CA CA2730355A patent/CA2730355C/en active Active
- 2009-06-17 AU AU2009267518A patent/AU2009267518B2/en active Active
- 2009-06-17 MX MX2011000373A patent/MX2011000373A/es active IP Right Grant
- 2009-06-17 RU RU2011102426/08A patent/RU2492530C2/ru active
- 2009-06-17 BR BRPI0910783-5A patent/BRPI0910783B1/pt active IP Right Grant
- 2009-06-17 MY MYPI20110039 patent/MY152252A/en unknown
- 2009-06-17 WO PCT/EP2009/004374 patent/WO2010003532A1/en not_active Ceased
- 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
- 2010-12-23 ZA ZA2010/09259A patent/ZA201009259B/en unknown
- 2010-12-29 CO CO10164069A patent/CO6341672A2/es active IP Right Grant
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2011
- 2011-01-11 US US13/004,351 patent/US8862480B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2492530C2 (ru) | 2013-09-10 |
| CA2730355A1 (en) | 2010-01-14 |
| ES2401487T3 (es) | 2013-04-22 |
| PL2301020T3 (pl) | 2013-06-28 |
| TWI426503B (zh) | 2014-02-11 |
| BRPI0910783B1 (pt) | 2024-02-27 |
| AU2009267518B2 (en) | 2012-08-16 |
| AR072479A1 (es) | 2010-09-01 |
| US20110173009A1 (en) | 2011-07-14 |
| WO2010003532A1 (en) | 2010-01-14 |
| EP2301020A1 (en) | 2011-03-30 |
| KR101250309B1 (ko) | 2013-04-04 |
| JP5551693B2 (ja) | 2014-07-16 |
| EP2301020B1 (en) | 2013-01-02 |
| CN102089812B (zh) | 2013-03-20 |
| TW201011737A (en) | 2010-03-16 |
| CO6341672A2 (es) | 2011-11-21 |
| HK1155842A1 (en) | 2012-05-25 |
| KR20110040823A (ko) | 2011-04-20 |
| CA2730355C (en) | 2016-03-22 |
| AU2009267518A1 (en) | 2010-01-14 |
| US8862480B2 (en) | 2014-10-14 |
| CN102089812A (zh) | 2011-06-08 |
| BRPI0910783A2 (pt) | 2020-11-03 |
| JP2011527446A (ja) | 2011-10-27 |
| MY152252A (en) | 2014-09-15 |
| MX2011000373A (es) | 2011-03-15 |
| RU2011102426A (ru) | 2012-07-27 |
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