BRPI0910783B1 - Aparelho e método para codificar/decodificar um sinal de áudio utilizando um esq de transferência allastng - Google Patents
Aparelho e método para codificar/decodificar um sinal de áudio utilizando um esq de transferência allastng Download PDFInfo
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- BRPI0910783B1 BRPI0910783B1 BRPI0910783-5A BRPI0910783A BRPI0910783B1 BR PI0910783 B1 BRPI0910783 B1 BR PI0910783B1 BR PI0910783 A BRPI0910783 A BR PI0910783A BR PI0910783 B1 BRPI0910783 B1 BR PI0910783B1
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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
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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
- G10L19/20—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
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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)
- 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 | |
| US61/079,852 | 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 (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0910783A2 BRPI0910783A2 (pt) | 2020-11-03 |
| BRPI0910783B1 true BRPI0910783B1 (pt) | 2024-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0910783-5A BRPI0910783B1 (pt) | 2008-07-11 | 2009-06-17 | Aparelho e método para codificar/decodificar um sinal de áudio utilizando um esq de transferência allastng |
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. |
| 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 |
| 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 |
| MY163358A (en) | 2009-10-08 | 2017-09-15 | Fraunhofer-Gesellschaft Zur Förderung Der Angenwandten Forschung E V | Multi-mode audio signal decoder,multi-mode audio signal encoder,methods and computer program using a linear-prediction-coding based noise shaping |
| KR101411759B1 (ko) * | 2009-10-20 | 2014-06-25 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 신호 인코더, 오디오 신호 디코더, 앨리어싱-소거를 이용하여 오디오 신호를 인코딩 또는 디코딩하는 방법 |
| 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 |
| 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 |
| PL4372742T3 (pl) * | 2010-07-08 | 2026-02-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Koder wykorzystujący kasowanie aliasingu w przód |
| 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 |
| SG192718A1 (en) | 2011-02-14 | 2013-09-30 | Fraunhofer Ges Forschung | Audio codec using noise synthesis during inactive phases |
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| PL2550653T3 (pl) | 2011-02-14 | 2014-09-30 | Fraunhofer Ges Forschung | Reprezentacja sygnału informacyjnego z użyciem transformacji zakładkowej |
| 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 |
| 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 |
| AU2012217162B2 (en) | 2011-02-14 | 2015-11-26 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Noise generation in audio codecs |
| TWI488176B (zh) | 2011-02-14 | 2015-06-11 | Fraunhofer Ges Forschung | 音訊信號音軌脈衝位置之編碼與解碼技術 |
| 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) |
| 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 |
| WO2012110476A1 (en) | 2011-02-14 | 2012-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Linear prediction based coding scheme using spectral domain noise shaping |
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| US9601122B2 (en) | 2012-06-14 | 2017-03-21 | Dolby International Ab | Smooth configuration switching for multichannel audio |
| KR102201713B1 (ko) | 2012-07-19 | 2021-01-12 | 돌비 인터네셔널 에이비 | 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스 |
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| JP2011527446A (ja) | 2011-10-27 |
| AU2009267518B2 (en) | 2012-08-16 |
| CA2730355C (en) | 2016-03-22 |
| EP2301020B1 (en) | 2013-01-02 |
| KR101250309B1 (ko) | 2013-04-04 |
| AR072479A1 (es) | 2010-09-01 |
| CA2730355A1 (en) | 2010-01-14 |
| EP2301020A1 (en) | 2011-03-30 |
| CN102089812A (zh) | 2011-06-08 |
| RU2492530C2 (ru) | 2013-09-10 |
| HK1155842A1 (en) | 2012-05-25 |
| MY152252A (en) | 2014-09-15 |
| ES2401487T3 (es) | 2013-04-22 |
| CN102089812B (zh) | 2013-03-20 |
| US20110173009A1 (en) | 2011-07-14 |
| WO2010003532A1 (en) | 2010-01-14 |
| BRPI0910783A2 (pt) | 2020-11-03 |
| TW201011737A (en) | 2010-03-16 |
| AU2009267518A1 (en) | 2010-01-14 |
| CO6341672A2 (es) | 2011-11-21 |
| PL2301020T3 (pl) | 2013-06-28 |
| MX2011000373A (es) | 2011-03-15 |
| TWI426503B (zh) | 2014-02-11 |
| ZA201009259B (en) | 2011-09-28 |
| US8862480B2 (en) | 2014-10-14 |
| RU2011102426A (ru) | 2012-07-27 |
| JP5551693B2 (ja) | 2014-07-16 |
| KR20110040823A (ko) | 2011-04-20 |
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