AR082142A1 - Codificador que utiliza cancelacion del efecto aliasing hacia delante - Google Patents
Codificador que utiliza cancelacion del efecto aliasing hacia delanteInfo
- Publication number
- AR082142A1 AR082142A1 ARP110102462A ARP110102462A AR082142A1 AR 082142 A1 AR082142 A1 AR 082142A1 AR P110102462 A ARP110102462 A AR P110102462A AR P110102462 A ARP110102462 A AR P110102462A AR 082142 A1 AR082142 A1 AR 082142A1
- Authority
- AR
- Argentina
- Prior art keywords
- aliasing effect
- syntax
- loss
- new
- cancellation
- Prior art date
Links
- 230000008034 disappearance Effects 0.000 abstract 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Un códec que soporta la conmutación entre la cancelación del efecto aliasing en el modo de codificación por transformada en el dominio del tiempo y el modo de codificación en el dominio del tiempo se torna menos propenso a la pérdida de cuadros mediante la adición una porción de sintaxis adicional a los cuadros, dependiendo de la cual el analizador sintáctico del decodificador puede optar por una primera acción que consiste en estimar que el cuadro actual comprende, y por consiguiente leer, los datos de cancelación del efecto aliasing hacia delante del cuadro actual y una segunda opción que consiste en estimar que el cuadro actual no comprende, y por consiguiente, no leer datos de cancelación del efecto aliasing hacia delante del cuadro actual. Dicho de otro modo, si bien se pierde un bit de eficiencia codificadora debido a la inclusión de una nueva porción de sintaxis, es justamente la nueva porción de sintaxis la que confiere la capacidad de utilizar el códec en el caso de un canal de comunicaciones con pérdida de cuadros. Sin la nueva porción de sintaxis, el decodificador no tendría la capacidad de decodificar ninguna porción del flujo de datos después de una pérdida y fallaría al intentar reanudar el análisis sintáctico. Por consiguiente, en un entorno propenso a errores, se impide la desaparición de la eficiencia codificadora mediante la introducción de la nueva porción de sintaxis.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36254710P | 2010-07-08 | 2010-07-08 | |
US37234710P | 2010-08-10 | 2010-08-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR082142A1 true AR082142A1 (es) | 2012-11-14 |
Family
ID=44584140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP110102462A AR082142A1 (es) | 2010-07-08 | 2011-07-08 | Codificador que utiliza cancelacion del efecto aliasing hacia delante |
Country Status (17)
Country | Link |
---|---|
US (1) | US9257130B2 (es) |
EP (5) | EP3451333B1 (es) |
JP (5) | JP5981913B2 (es) |
KR (1) | KR101456639B1 (es) |
CN (1) | CN103109318B (es) |
AR (1) | AR082142A1 (es) |
AU (1) | AU2011275731B2 (es) |
BR (3) | BR122021002034B1 (es) |
CA (1) | CA2804548C (es) |
ES (3) | ES2968927T3 (es) |
MX (1) | MX2013000086A (es) |
MY (1) | MY161986A (es) |
PL (3) | PL3451333T3 (es) |
PT (2) | PT3451333T (es) |
SG (1) | SG186950A1 (es) |
TW (1) | TWI476758B (es) |
WO (1) | WO2012004349A1 (es) |
Families Citing this family (20)
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KR101250309B1 (ko) * | 2008-07-11 | 2013-04-04 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 에일리어싱 스위치 기법을 이용하여 오디오 신호를 인코딩/디코딩하는 장치 및 방법 |
US9093066B2 (en) | 2010-01-13 | 2015-07-28 | Voiceage Corporation | Forward time-domain aliasing cancellation using linear-predictive filtering to cancel time reversed and zero input responses of adjacent frames |
ES2968927T3 (es) * | 2010-07-08 | 2024-05-14 | Fraunhofer Ges Forschung | Decodificador que utiliza cancelación del efecto de solapamiento hacia delante |
EP4243017A3 (en) * | 2011-02-14 | 2023-11-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method decoding an audio signal using an aligned look-ahead portion |
MX348505B (es) | 2013-02-20 | 2017-06-14 | Fraunhofer Ges Forschung | Aparato y método para generar una señal codificada o para decodificar una señal de audio codificada usando una porción multi superpuesta. |
RU2740690C2 (ru) * | 2013-04-05 | 2021-01-19 | Долби Интернешнл Аб | Звуковые кодирующее устройство и декодирующее устройство |
BR112015031824B1 (pt) | 2013-06-21 | 2021-12-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparelho e método para uma ocultação melhorada do livro do código adaptativo na ocultação tipo acelp utilizando uma estimativa melhorada de atraso de pitch |
MX352092B (es) | 2013-06-21 | 2017-11-08 | Fraunhofer Ges Forschung | Aparato y método para mejorar el ocultamiento del libro de códigos adaptativo en la ocultación similar a acelp empleando una resincronización de pulsos mejorada. |
BR112016003029B1 (pt) * | 2013-08-23 | 2023-04-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Aparelho e método para processamento de um sinal de áudio utilizando uma combinação em uma faixa de sobreposição |
RU2643646C2 (ru) | 2013-11-13 | 2018-02-02 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Кодер для кодирования аудиосигнала, система передачи аудио и способ определения значений коррекции |
EP2980794A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
EP2980796A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for processing an audio signal, audio decoder, and audio encoder |
FR3024582A1 (fr) * | 2014-07-29 | 2016-02-05 | Orange | Gestion de la perte de trame dans un contexte de transition fd/lpd |
KR101892086B1 (ko) | 2016-05-19 | 2018-08-27 | 주식회사 삼양사 | 옥심에스테르 유도체 화합물, 이를 포함하는 광중합 개시제, 및 감광성 조성물 |
US10438597B2 (en) * | 2017-08-31 | 2019-10-08 | Dolby International Ab | Decoder-provided time domain aliasing cancellation during lossy/lossless transitions |
KR101991903B1 (ko) | 2017-12-07 | 2019-10-01 | 주식회사 삼양사 | 카바졸 옥심에스테르 유도체 화합물 및 이를 포함하는 광중합 개시제와 감광성 조성물 |
WO2020094263A1 (en) * | 2018-11-05 | 2020-05-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and audio signal processor, for providing a processed audio signal representation, audio decoder, audio encoder, methods and computer programs |
KR102228630B1 (ko) | 2018-12-28 | 2021-03-16 | 주식회사 삼양사 | 카바졸 멀티 베타 옥심에스테르 유도체 화합물 및 이를 포함하는 광중합 개시제와 포토레지스트 조성물 |
US11488613B2 (en) * | 2019-11-13 | 2022-11-01 | Electronics And Telecommunications Research Institute | Residual coding method of linear prediction coding coefficient based on collaborative quantization, and computing device for performing the method |
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KR101137652B1 (ko) * | 2009-10-14 | 2012-04-23 | 광운대학교 산학협력단 | 천이 구간에 기초하여 윈도우의 오버랩 영역을 조절하는 통합 음성/오디오 부호화/복호화 장치 및 방법 |
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US9275650B2 (en) * | 2010-06-14 | 2016-03-01 | Panasonic Corporation | Hybrid audio encoder and hybrid audio decoder which perform coding or decoding while switching between different codecs |
ES2968927T3 (es) * | 2010-07-08 | 2024-05-14 | Fraunhofer Ges Forschung | Decodificador que utiliza cancelación del efecto de solapamiento hacia delante |
AR088777A1 (es) * | 2011-03-18 | 2014-07-10 | Fraunhofer Ges Forschung | Transmision de longitud de elemento de cuadro en la codificacion de audio |
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2011
- 2011-07-07 ES ES22194160T patent/ES2968927T3/es active Active
- 2011-07-07 MY MYPI2013000043A patent/MY161986A/en unknown
- 2011-07-07 AU AU2011275731A patent/AU2011275731B2/en active Active
- 2011-07-07 BR BR122021002034-5A patent/BR122021002034B1/pt active IP Right Grant
- 2011-07-07 JP JP2013517388A patent/JP5981913B2/ja active Active
- 2011-07-07 KR KR1020137003325A patent/KR101456639B1/ko active IP Right Grant
- 2011-07-07 CN CN201180043476.8A patent/CN103109318B/zh active Active
- 2011-07-07 BR BR122021002104-0A patent/BR122021002104B1/pt active IP Right Grant
- 2011-07-07 PT PT182004929T patent/PT3451333T/pt unknown
- 2011-07-07 EP EP18200492.9A patent/EP3451333B1/en active Active
- 2011-07-07 MX MX2013000086A patent/MX2013000086A/es active IP Right Grant
- 2011-07-07 SG SG2013000971A patent/SG186950A1/en unknown
- 2011-07-07 PL PL18200492.9T patent/PL3451333T3/pl unknown
- 2011-07-07 WO PCT/EP2011/061521 patent/WO2012004349A1/en active Application Filing
- 2011-07-07 PL PL11730006T patent/PL2591470T3/pl unknown
- 2011-07-07 BR BR112013000489-4A patent/BR112013000489B1/pt active IP Right Grant
- 2011-07-07 EP EP11730006.1A patent/EP2591470B1/en active Active
- 2011-07-07 ES ES18200492T patent/ES2930103T3/es active Active
- 2011-07-07 EP EP24167822.6A patent/EP4372742A2/en active Pending
- 2011-07-07 PT PT11730006T patent/PT2591470T/pt unknown
- 2011-07-07 PL PL22194160.2T patent/PL4120248T3/pl unknown
- 2011-07-07 EP EP22194160.2A patent/EP4120248B1/en active Active
- 2011-07-07 ES ES11730006T patent/ES2710554T3/es active Active
- 2011-07-07 EP EP23217389.8A patent/EP4322160A3/en active Pending
- 2011-07-07 CA CA2804548A patent/CA2804548C/en active Active
- 2011-07-08 TW TW100124235A patent/TWI476758B/zh active
- 2011-07-08 AR ARP110102462A patent/AR082142A1/es active IP Right Grant
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2013
- 2013-01-08 US US13/736,762 patent/US9257130B2/en active Active
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2015
- 2015-08-28 JP JP2015169621A patent/JP6417299B2/ja active Active
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2018
- 2018-10-05 JP JP2018189917A patent/JP6773743B2/ja active Active
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2020
- 2020-10-01 JP JP2020166836A patent/JP7227204B2/ja active Active
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2023
- 2023-02-09 JP JP2023018225A patent/JP7488926B2/ja active Active
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