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MX2009004045A - Codificacion de una señal de informacion. - Google Patents

Codificacion de una señal de informacion.

Info

Publication number
MX2009004045A
MX2009004045A MX2009004045A MX2009004045A MX2009004045A MX 2009004045 A MX2009004045 A MX 2009004045A MX 2009004045 A MX2009004045 A MX 2009004045A MX 2009004045 A MX2009004045 A MX 2009004045A MX 2009004045 A MX2009004045 A MX 2009004045A
Authority
MX
Mexico
Prior art keywords
limits
frame
coding
information signal
frames
Prior art date
Application number
MX2009004045A
Other languages
English (en)
Inventor
Manfred Lutzky
Markus Schnell
Michael Schuldt
Manuel Jander
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38657988&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX2009004045(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MX2009004045A publication Critical patent/MX2009004045A/es

Links

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
    • G10L19/02—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Circuits Of Receivers In General (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

El problema de transitorios puede resolverse de forma adecuada, y para este fin, puede reducirse un retraso adicional en el lado decodificador si se usa una nueva clase de trama SBR donde los límites de la trama no sean desplazados, es decir, que los límites de la retícula todavía sean sincronizados con los límites de la trama, pero donde una indicación de la posición de transitorios es usada además como elemento sintáctico para usarse, en los lados codificadores y/o decodificadores dentro de las tramas de estas nuevas clases de trama para determinar los límites de la retícula dentro de estas tramas.
MX2009004045A 2006-10-18 2007-10-01 Codificacion de una señal de informacion. MX2009004045A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006049154A DE102006049154B4 (de) 2006-10-18 2006-10-18 Kodierung eines Informationssignals
PCT/EP2007/008527 WO2008046505A1 (de) 2006-10-18 2007-10-01 Kodierung eines informationssignals

Publications (1)

Publication Number Publication Date
MX2009004045A true MX2009004045A (es) 2009-05-28

Family

ID=38657988

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009004045A MX2009004045A (es) 2006-10-18 2007-10-01 Codificacion de una señal de informacion.

Country Status (19)

Country Link
EP (1) EP2057625B1 (es)
JP (1) JP5266234B2 (es)
KR (1) KR101183962B1 (es)
CN (1) CN101529503B (es)
AT (1) ATE507554T1 (es)
AU (1) AU2007312667B2 (es)
BR (1) BRPI0715555B1 (es)
CA (1) CA2664466C (es)
DE (2) DE102006049154B4 (es)
ES (1) ES2365433T3 (es)
IL (1) IL197561A (es)
MX (1) MX2009004045A (es)
MY (1) MY147067A (es)
NO (1) NO341258B1 (es)
PL (1) PL2057625T3 (es)
RU (1) RU2413312C2 (es)
TW (1) TWI355648B (es)
WO (1) WO2008046505A1 (es)
ZA (1) ZA200810394B (es)

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JP4932917B2 (ja) * 2009-04-03 2012-05-16 株式会社エヌ・ティ・ティ・ドコモ 音声復号装置、音声復号方法、及び音声復号プログラム
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EP2676266B1 (en) 2011-02-14 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Linear prediction based coding scheme using spectral domain noise shaping
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TWI469136B (zh) 2011-02-14 2015-01-11 Fraunhofer Ges Forschung 在一頻譜域中用以處理已解碼音訊信號之裝置及方法
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
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RU2586597C2 (ru) 2011-02-14 2016-06-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Кодирование и декодирование позиций импульсов дорожек аудиосигнала
TWI488178B (zh) * 2011-03-18 2015-06-11 Fraunhofer Ges Forschung 表示音訊內容之位元串流之訊框中的訊框元件定位技術
JP5807453B2 (ja) 2011-08-30 2015-11-10 富士通株式会社 符号化方法、符号化装置および符号化プログラム
WO2013128832A1 (ja) * 2012-03-02 2013-09-06 パナソニック株式会社 画像符号化方法、画像復号方法、画像符号化装置、画像復号装置および画像符号化復号装置
JP5997592B2 (ja) * 2012-04-27 2016-09-28 株式会社Ｎｔｔドコモ 音声復号装置
BR112015025080B1 (pt) * 2013-04-05 2021-12-21 Dolby International Ab Método de decodificação e decodificador para decodificar dois sinais de áudio, método de codificação e codificador para codificar dois sinais de áudio, e meio legível não transitório
PT3008726T (pt) 2013-06-10 2017-11-24 Fraunhofer Ges Forschung Aparelho e método de codificação, processamento e descodificação de envelope de sinal de áudio por modelação da representação de soma cumulativa empregando codificação e quantização de distribuição
ES2635026T3 (es) 2013-06-10 2017-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y procedimiento de codificación, procesamiento y decodificación de envolvente de señal de audio por división de la envolvente de la señal de audio utilizando cuantización y codificación de distribución
WO2017050398A1 (en) * 2015-09-25 2017-03-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and methods for signal-adaptive switching of the overlap ratio in audio transform coding
JP6412292B2 (ja) 2016-01-22 2018-10-24 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 スペクトルドメイン・リサンプリングを用いて多チャネル信号を符号化又は復号化する装置及び方法
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
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Also Published As

Publication number Publication date
CA2664466A1 (en) 2008-04-24
ATE507554T1 (de) 2011-05-15
PL2057625T3 (pl) 2011-09-30
BRPI0715555A8 (pt) 2019-01-15
DE102006049154A1 (de) 2008-04-24
NO341258B1 (no) 2017-09-25
IL197561A (en) 2013-02-28
RU2009118384A (ru) 2010-11-27
DE502007007077D1 (de) 2011-06-09
TWI355648B (en) 2012-01-01
CA2664466C (en) 2015-03-17
ES2365433T3 (es) 2011-10-05
NO20083755L (no) 2008-09-01
DE102006049154B4 (de) 2009-07-09
TW200830277A (en) 2008-07-16
KR101183962B1 (ko) 2012-09-18
EP2057625B1 (de) 2011-04-27
WO2008046505A1 (de) 2008-04-24
MY147067A (en) 2012-10-15
HK1126567A1 (en) 2009-09-04
JP2010507113A (ja) 2010-03-04
IL197561A0 (en) 2009-12-24
RU2413312C2 (ru) 2011-02-27
ZA200810394B (en) 2009-08-26
AU2007312667A1 (en) 2008-04-24
AU2007312667B2 (en) 2010-09-09
CN101529503B (zh) 2012-05-09
BRPI0715555B1 (pt) 2020-09-15
EP2057625A1 (de) 2009-05-13
KR20090073172A (ko) 2009-07-02
BRPI0715555A2 (pt) 2014-03-18
CN101529503A (zh) 2009-09-09
JP5266234B2 (ja) 2013-08-21

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