ZA200901367B - Method and device for transcoding audio signals - Google Patents

Method and device for transcoding audio signals

Info

Publication number
ZA200901367B
ZA200901367B ZA200901367A ZA200901367A ZA200901367B ZA 200901367 B ZA200901367 B ZA 200901367B ZA 200901367 A ZA200901367 A ZA 200901367A ZA 200901367 A ZA200901367 A ZA 200901367A ZA 200901367 B ZA200901367 B ZA 200901367B
Authority
ZA
South Africa
Prior art keywords
audio signals
transcoding audio
transcoding
signals
audio
Prior art date
Application number
ZA200901367A
Other languages
English (en)
Inventor
Peter Jax
Sven Kordon
Original Assignee
Thomson Licensing
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
Application filed by Thomson Licensing filed Critical Thomson Licensing
Publication of ZA200901367B publication Critical patent/ZA200901367B/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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission

Landscapes

  • 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)
ZA200901367A 2006-09-20 2007-09-06 Method and device for transcoding audio signals ZA200901367B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06120969A EP1903559A1 (en) 2006-09-20 2006-09-20 Method and device for transcoding audio signals

Publications (1)

Publication Number Publication Date
ZA200901367B true ZA200901367B (en) 2010-05-26

Family

ID=37605771

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200901367A ZA200901367B (en) 2006-09-20 2007-09-06 Method and device for transcoding audio signals

Country Status (10)

Country Link
US (1) US9093065B2 (xx)
EP (2) EP1903559A1 (xx)
JP (1) JP5324450B2 (xx)
KR (1) KR101341317B1 (xx)
CN (1) CN101563726A (xx)
BR (1) BRPI0718465A2 (xx)
CA (1) CA2662910C (xx)
TW (1) TWI423251B (xx)
WO (1) WO2008034723A1 (xx)
ZA (1) ZA200901367B (xx)

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US8793738B2 (en) 1994-05-04 2014-07-29 Starsight Telecast Incorporated Television system with downloadable features
CH705207B1 (de) 2002-06-19 2012-11-30 Prospective Concepts Ag Pneumatisches Bauelement mit Knotenelementen.
WO2007071100A1 (de) 2005-12-23 2007-06-28 Prospective Concepts Ag Pneumatisches bauelement, und daraus erzeugtes dach
CH704442B1 (de) 2005-12-23 2012-08-15 Prospective Concepts Ag Pneumatisches Bauelement.
DE102006051673A1 (de) * 2006-11-02 2008-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale
EP2099027A1 (en) * 2008-03-05 2009-09-09 Deutsche Thomson OHG Method and apparatus for transforming between different filter bank domains
EP3373297B1 (en) * 2008-09-18 2023-12-06 Electronics and Telecommunications Research Institute Decoding apparatus for transforming between modified discrete cosine transform-based coder and hetero coder
CN101989429B (zh) 2009-07-31 2012-02-01 华为技术有限公司 转码方法、装置、设备以及***
EP2306456A1 (en) * 2009-09-04 2011-04-06 Thomson Licensing Method for decoding an audio signal that has a base layer and an enhancement layer
US8509329B2 (en) * 2009-11-06 2013-08-13 Samsung Electronics Co., Ltd. Data receiving apparatus for receiving data frame using constellation mapping scheme and data transmission apparatus for transmitting the date frame
JP6113294B2 (ja) * 2012-11-07 2017-04-12 ドルビー・インターナショナル・アーベー 軽減された計算量の変換器ｓｎｒ計算
EP2988433B1 (en) * 2013-04-18 2022-01-12 Mitsubishi Electric Corporation Demultiplexing device, multiplexing device, and relay device
CN111312279B (zh) 2013-09-12 2024-02-06 杜比国际公司 基于qmf的处理数据的时间对齐
TWI557724B (zh) 2013-09-27 2016-11-11 杜比實驗室特許公司 用於將 n 聲道音頻節目編碼之方法、用於恢復 n 聲道音頻節目的 m 個聲道之方法、被配置成將 n 聲道音頻節目編碼之音頻編碼器及被配置成執行 n 聲道音頻節目的恢復之解碼器
WO2018201112A1 (en) 2017-04-28 2018-11-01 Goodwin Michael M Audio coder window sizes and time-frequency transformations
WO2022179406A1 (zh) * 2021-02-26 2022-09-01 腾讯科技（深圳）有限公司 音频转码方法、装置、音频转码器、设备以及存储介质
CN113689864B (zh) * 2021-10-27 2022-01-18 北京百瑞互联技术有限公司 一种音频数据处理方法、装置及存储介质

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US6260009B1 (en) * 1999-02-12 2001-07-10 Qualcomm Incorporated CELP-based to CELP-based vocoder packet translation
DE60039662D1 (de) 1999-03-25 2008-09-11 Sagem Comm Spracherkenungsgerät zur erkennung eines sprachsignals in einem eingangssignal
CN100527225C (zh) * 2002-01-08 2009-08-12 迪里辛姆网络控股有限公司 基于celp的语音代码之间的代码转换方案
JP4263412B2 (ja) 2002-01-29 2009-05-13 富士通株式会社 音声符号変換方法
AU2003214182A1 (en) * 2002-03-12 2003-09-29 Dilithium Networks Pty Limited Method for adaptive codebook pitch-lag computation in audio transcoders
DE10217297A1 (de) 2002-04-18 2003-11-06 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Codieren eines zeitdiskreten Audiosignals und Vorrichtung und Verfahren zum Decodieren von codierten Audiodaten
US7363230B2 (en) * 2002-08-01 2008-04-22 Yamaha Corporation Audio data processing apparatus and audio data distributing apparatus
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EP1719117A1 (en) * 2004-02-16 2006-11-08 Koninklijke Philips Electronics N.V. A transcoder and method of transcoding therefore
KR20070074546A (ko) * 2004-08-31 2007-07-12 코닌클리케 필립스 일렉트로닉스 엔.브이. 트랜스코딩을 위한 방법 및 디바이스
TWI270236B (en) * 2005-08-12 2007-01-01 Advanced Connectek Inc Loop antenna with capacitive structure

Also Published As

Publication number Publication date
WO2008034723A1 (en) 2008-03-27
JP2010504544A (ja) 2010-02-12
US20090240507A1 (en) 2009-09-24
KR101341317B1 (ko) 2013-12-12
TWI423251B (zh) 2014-01-11
US9093065B2 (en) 2015-07-28
BRPI0718465A2 (pt) 2013-12-03
CA2662910A1 (en) 2008-03-27
TW200816167A (en) 2008-04-01
CN101563726A (zh) 2009-10-21
JP5324450B2 (ja) 2013-10-23
EP2064700A1 (en) 2009-06-03
EP1903559A1 (en) 2008-03-26
CA2662910C (en) 2015-12-15
KR20090055579A (ko) 2009-06-02
EP2064700B1 (en) 2012-09-05

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