BR112017010911B1 - Método e sistema de decodificação para ocultar erros em pacotes de dados que devem ser decodificados em um decodificador de áudio baseado em transformação de cosseno discreto modificado - Google Patents
Método e sistema de decodificação para ocultar erros em pacotes de dados que devem ser decodificados em um decodificador de áudio baseado em transformação de cosseno discreto modificado Download PDFInfo
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- BR112017010911B1 BR112017010911B1 BR112017010911-5A BR112017010911A BR112017010911B1 BR 112017010911 B1 BR112017010911 B1 BR 112017010911B1 BR 112017010911 A BR112017010911 A BR 112017010911A BR 112017010911 B1 BR112017010911 B1 BR 112017010911B1
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- 230000003595 spectral effect Effects 0.000 claims abstract description 56
- 230000005236 sound signal Effects 0.000 claims abstract description 51
- 238000001514 detection method Methods 0.000 claims description 15
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 238000004590 computer program Methods 0.000 description 6
- 230000000873 masking effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000015654 memory Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- OVOUKWFJRHALDD-UHFFFAOYSA-N 2-[2-(2-acetyloxyethoxy)ethoxy]ethyl acetate Chemical compound CC(=O)OCCOCCOCCOC(C)=O OVOUKWFJRHALDD-UHFFFAOYSA-N 0.000 description 1
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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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/02—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
- G10L19/0212—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 using orthogonal transformation
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- 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)
- Detection And Prevention Of Errors In Transmission (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462089563P | 2014-12-09 | 2014-12-09 | |
| US62/089,563 | 2014-12-09 | ||
| PCT/EP2015/079005 WO2016091893A1 (en) | 2014-12-09 | 2015-12-08 | Mdct-domain error concealment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112017010911A2 BR112017010911A2 (pt) | 2017-12-26 |
| BR112017010911B1 true BR112017010911B1 (pt) | 2023-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112017010911-5A BR112017010911B1 (pt) | 2014-12-09 | 2015-12-08 | Método e sistema de decodificação para ocultar erros em pacotes de dados que devem ser decodificados em um decodificador de áudio baseado em transformação de cosseno discreto modificado |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US10424305B2 (https=) |
| EP (1) | EP3230980B1 (https=) |
| JP (1) | JP6754764B2 (https=) |
| KR (1) | KR102547480B1 (https=) |
| CN (2) | CN107004417B (https=) |
| BR (1) | BR112017010911B1 (https=) |
| HK (1) | HK1244948A1 (https=) |
| RU (1) | RU2711334C2 (https=) |
| WO (1) | WO2016091893A1 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL3063759T3 (pl) | 2013-10-31 | 2018-06-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem ukrywania błędów modyfikując sygnał pobudzenia w dziedzinie czasu |
| KR101957905B1 (ko) | 2013-10-31 | 2019-03-13 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 시간 도메인 여기 신호를 기초로 하는 오류 은닉을 사용하여 디코딩된 오디오 정보를 제공하기 위한 오디오 디코더 및 방법 |
| WO2016091893A1 (en) * | 2014-12-09 | 2016-06-16 | Dolby International Ab | Mdct-domain error concealment |
| WO2020164753A1 (en) * | 2019-02-13 | 2020-08-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and decoding method selecting an error concealment mode, and encoder and encoding method |
| CN118571232A (zh) * | 2019-02-21 | 2024-08-30 | 瑞典爱立信有限公司 | 相位ecu f0插值分割方法及相关控制器 |
| EP3948856A4 (en) * | 2019-03-25 | 2022-03-30 | Razer (Asia-Pacific) Pte. Ltd. | METHOD AND APPARATUS FOR USING AN INCREMENTAL SEARCH SEQUENCE IN AUDIO FAULT CONCEALING |
| AU2021291010A1 (en) * | 2020-06-19 | 2023-01-19 | Rtx A/S | Low latency audio packet loss concealment |
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| FR3024582A1 (fr) * | 2014-07-29 | 2016-02-05 | Orange | Gestion de la perte de trame dans un contexte de transition fd/lpd |
| FR3024581A1 (fr) * | 2014-07-29 | 2016-02-05 | Orange | Determination d'un budget de codage d'une trame de transition lpd/fd |
| WO2016091893A1 (en) * | 2014-12-09 | 2016-06-16 | Dolby International Ab | Mdct-domain error concealment |
-
2015
- 2015-12-08 WO PCT/EP2015/079005 patent/WO2016091893A1/en not_active Ceased
- 2015-12-08 HK HK18104327.6A patent/HK1244948A1/zh unknown
- 2015-12-08 US US15/533,625 patent/US10424305B2/en active Active
- 2015-12-08 JP JP2017529615A patent/JP6754764B2/ja active Active
- 2015-12-08 KR KR1020177015336A patent/KR102547480B1/ko active Active
- 2015-12-08 CN CN201580067028.XA patent/CN107004417B/zh active Active
- 2015-12-08 BR BR112017010911-5A patent/BR112017010911B1/pt active IP Right Grant
- 2015-12-08 EP EP15805234.0A patent/EP3230980B1/en active Active
- 2015-12-08 RU RU2017119981A patent/RU2711334C2/ru active
- 2015-12-08 CN CN202110466890.5A patent/CN112967727B/zh active Active
-
2019
- 2019-09-16 US US16/571,430 patent/US10923131B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2711334C2 (ru) | 2020-01-16 |
| WO2016091893A1 (en) | 2016-06-16 |
| CN107004417B (zh) | 2021-05-07 |
| RU2017119981A (ru) | 2018-12-07 |
| RU2017119981A3 (https=) | 2019-07-17 |
| US20170372707A1 (en) | 2017-12-28 |
| JP6754764B2 (ja) | 2020-09-16 |
| BR112017010911A2 (pt) | 2017-12-26 |
| EP3230980B1 (en) | 2018-11-28 |
| JP2018503856A (ja) | 2018-02-08 |
| KR20170093825A (ko) | 2017-08-16 |
| CN107004417A (zh) | 2017-08-01 |
| CN112967727B (zh) | 2024-11-01 |
| EP3230980A1 (en) | 2017-10-18 |
| US10424305B2 (en) | 2019-09-24 |
| US20200013413A1 (en) | 2020-01-09 |
| US10923131B2 (en) | 2021-02-16 |
| HK1244948A1 (zh) | 2018-08-17 |
| KR102547480B1 (ko) | 2023-06-26 |
| CN112967727A (zh) | 2021-06-15 |
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