ZA200810394B - Encoding an information signal - Google Patents

Encoding an information signal

Info

Publication number
ZA200810394B
ZA200810394B ZA200810394A ZA200810394A ZA200810394B ZA 200810394 B ZA200810394 B ZA 200810394B ZA 200810394 A ZA200810394 A ZA 200810394A ZA 200810394 A ZA200810394 A ZA 200810394A ZA 200810394 B ZA200810394 B ZA 200810394B
Authority
ZA
South Africa
Prior art keywords
limits
frame
encoding
information signal
frames
Prior art date
Application number
ZA200810394A
Other languages
English (en)
Inventor
Schnell Markus
Lutzky Manfred
Schuldt Michael
Jander Manuel
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=ZA200810394(B) "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 ZA200810394B publication Critical patent/ZA200810394B/xx

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
    • 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
    • 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
    • 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)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (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)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Circuits Of Receivers In General (AREA)
ZA200810394A 2006-10-18 2008-12-09 Encoding an information signal ZA200810394B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006049154A DE102006049154B4 (de) 2006-10-18 2006-10-18 Kodierung eines Informationssignals

Publications (1)

Publication Number Publication Date
ZA200810394B true ZA200810394B (en) 2009-08-26

Family

ID=38657988

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200810394A ZA200810394B (en) 2006-10-18 2008-12-09 Encoding an information signal

Country Status (20)

Country Link
EP (1) EP2057625B1 (xx)
JP (1) JP5266234B2 (xx)
KR (1) KR101183962B1 (xx)
CN (1) CN101529503B (xx)
AT (1) ATE507554T1 (xx)
AU (1) AU2007312667B2 (xx)
BR (1) BRPI0715555B1 (xx)
CA (1) CA2664466C (xx)
DE (2) DE102006049154B4 (xx)
ES (1) ES2365433T3 (xx)
HK (1) HK1126567A1 (xx)
IL (1) IL197561A (xx)
MX (1) MX2009004045A (xx)
MY (1) MY147067A (xx)
NO (1) NO341258B1 (xx)
PL (1) PL2057625T3 (xx)
RU (1) RU2413312C2 (xx)
TW (1) TWI355648B (xx)
WO (1) WO2008046505A1 (xx)
ZA (1) ZA200810394B (xx)

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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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ES2639646T3 (es) 2011-02-14 2017-10-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación y decodificación de posiciones de impulso de pistas de una señal de audio
CN103477387B (zh) 2011-02-14 2015-11-25 弗兰霍菲尔运输应用研究公司 使用频谱域噪声整形的基于线性预测的编码方案
KR101742136B1 (ko) 2011-03-18 2017-05-31 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 콘텐츠를 표현하는 비트스트림의 프레임들 내의 프레임 요소 배치
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
CN107835428B (zh) * 2012-03-02 2021-09-24 太阳专利托管公司 图像编码方法、图像解码方法、图像编码装置、图像解码装置及图像编码解码装置
JP5997592B2 (ja) * 2012-04-27 2016-09-28 株式会社Ｎｔｔドコモ 音声復号装置
EP3528249A1 (en) 2013-04-05 2019-08-21 Dolby International AB Stereo audio encoder and decoder
JP6224233B2 (ja) 2013-06-10 2017-11-01 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 分配量子化及び符号化を使用したオーディオ信号包絡の分割によるオーディオ信号包絡符号化、処理及び復号化の装置と方法
JP6224827B2 (ja) 2013-06-10 2017-11-01 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 分配量子化及び符号化を使用した累積和表現のモデル化によるオーディオ信号包絡符号化、処理及び復号化の装置と方法
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
WO2017125559A1 (en) 2016-01-22 2017-07-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatuses and methods for encoding or decoding an audio multi-channel signal using spectral-domain resampling
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
EP3483879A1 (en) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
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EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools

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Also Published As

Publication number Publication date
WO2008046505A1 (de) 2008-04-24
BRPI0715555A8 (pt) 2019-01-15
HK1126567A1 (en) 2009-09-04
IL197561A0 (en) 2009-12-24
DE502007007077D1 (de) 2011-06-09
CA2664466A1 (en) 2008-04-24
PL2057625T3 (pl) 2011-09-30
EP2057625A1 (de) 2009-05-13
BRPI0715555A2 (pt) 2014-03-18
EP2057625B1 (de) 2011-04-27
RU2413312C2 (ru) 2011-02-27
CN101529503A (zh) 2009-09-09
NO20083755L (no) 2008-09-01
DE102006049154B4 (de) 2009-07-09
ATE507554T1 (de) 2011-05-15
AU2007312667A1 (en) 2008-04-24
AU2007312667B2 (en) 2010-09-09
TWI355648B (en) 2012-01-01
KR20090073172A (ko) 2009-07-02
MY147067A (en) 2012-10-15
MX2009004045A (es) 2009-05-28
JP5266234B2 (ja) 2013-08-21
DE102006049154A1 (de) 2008-04-24
ES2365433T3 (es) 2011-10-05
CA2664466C (en) 2015-03-17
CN101529503B (zh) 2012-05-09
TW200830277A (en) 2008-07-16
IL197561A (en) 2013-02-28
RU2009118384A (ru) 2010-11-27
NO341258B1 (no) 2017-09-25
BRPI0715555B1 (pt) 2020-09-15
KR101183962B1 (ko) 2012-09-18
JP2010507113A (ja) 2010-03-04

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