CN1090409C - 采用不同编码原理的传送系统 - Google Patents

采用不同编码原理的传送系统 Download PDF

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Publication number
CN1090409C
CN1090409C CN95191230A CN95191230A CN1090409C CN 1090409 C CN1090409 C CN 1090409C CN 95191230 A CN95191230 A CN 95191230A CN 95191230 A CN95191230 A CN 95191230A CN 1090409 C CN1090409 C CN 1090409C
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China
Prior art keywords
signal
encoder
decoder
frequency domain
input
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Expired - Lifetime
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CN95191230A
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English (en)
Chinese (zh)
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CN1139999A (zh
Inventor
F.伍帕曼
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
Philips Electronics NV
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Publication of CN1139999A publication Critical patent/CN1139999A/zh
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • 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
    • G10L19/02—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
    • G10L19/0204—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 subband decomposition
    • G10L19/0208—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
    • G10L19/18—Vocoders using multiple modes
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/19—Earth-synchronous stations

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CN95191230A 1994-10-06 1995-10-02 采用不同编码原理的传送系统 Expired - Lifetime CN1090409C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP94202898 1994-10-06
EP94202898.6 1994-10-06

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CN01121790A Division CN1344067A (zh) 1994-10-06 2001-07-09 采用不同编码原理的传送系统
CNB01121791XA Division CN1153365C (zh) 1994-10-06 2001-07-09 采用不同编码原理的传送系统

Publications (2)

Publication Number Publication Date
CN1139999A CN1139999A (zh) 1997-01-08
CN1090409C true CN1090409C (zh) 2002-09-04

Family

ID=8217261

Family Applications (3)

Application Number Title Priority Date Filing Date
CN95191230A Expired - Lifetime CN1090409C (zh) 1994-10-06 1995-10-02 采用不同编码原理的传送系统
CNB01121791XA Expired - Lifetime CN1153365C (zh) 1994-10-06 2001-07-09 采用不同编码原理的传送系统
CN01121790A Pending CN1344067A (zh) 1994-10-06 2001-07-09 采用不同编码原理的传送系统

Family Applications After (2)

Application Number Title Priority Date Filing Date
CNB01121791XA Expired - Lifetime CN1153365C (zh) 1994-10-06 2001-07-09 采用不同编码原理的传送系统
CN01121790A Pending CN1344067A (zh) 1994-10-06 2001-07-09 采用不同编码原理的传送系统

Country Status (4)

Country Link
US (1) US5982817A (cg-RX-API-DMAC10.html)
KR (1) KR100419545B1 (cg-RX-API-DMAC10.html)
CN (3) CN1090409C (cg-RX-API-DMAC10.html)
TW (1) TW296517B (cg-RX-API-DMAC10.html)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69633164T2 (de) * 1995-05-22 2005-08-11 Ntt Mobile Communications Network Inc. Tondekoder
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
US6242922B1 (en) * 1998-11-06 2001-06-05 General Electric Company Arc detection architecture based on correlation for circuit breakers
US6449313B1 (en) * 1999-04-28 2002-09-10 Lucent Technologies Inc. Shaped fixed codebook search for celp speech coding
BRPI0515343A8 (pt) * 2004-09-17 2016-11-29 Koninklijke Philips Electronics Nv Codificador e decodificador de áudio, métodos de codificar um sinal de áudio e de decodificar um sinal de áudio codificado, sinal de áudio codificado, meio de armazenamento, dispositivo, e, código de programa legível por computador
US7554989B2 (en) * 2005-01-18 2009-06-30 Creative Technology Ltd. Real time optimization over a shared communication channel
US20070268362A1 (en) * 2006-05-22 2007-11-22 Matthew James West Compressed data
EP2092517B1 (en) * 2006-10-10 2012-07-18 QUALCOMM Incorporated Method and apparatus for encoding and decoding audio signals
US20080104659A1 (en) * 2006-10-27 2008-05-01 Matthew James West Prioritized real-time data transmission
CN101025918B (zh) * 2007-01-19 2011-06-29 清华大学 一种语音/音乐双模编解码无缝切换方法
US8010070B2 (en) * 2007-10-09 2011-08-30 Maxlinear, Inc. Low-complexity diversity using coarse FFT and subband-wise combining
ES2671711T3 (es) * 2008-09-18 2018-06-08 Electronics And Telecommunications Research Institute Aparato de codificación y aparato de decodificación para transformar entre codificador basado en transformada de coseno discreta modificada y hetero codificador
WO2011072305A1 (en) 2009-12-11 2011-06-16 Maxlinear, Inc. Low-complexity diversity using preequalization
JP5749462B2 (ja) * 2010-08-13 2015-07-15 株式会社Ｎｔｔドコモ オーディオ復号装置、オーディオ復号方法、オーディオ復号プログラム、オーディオ符号化装置、オーディオ符号化方法、及び、オーディオ符号化プログラム
RU2586597C2 (ru) 2011-02-14 2016-06-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Кодирование и декодирование позиций импульсов дорожек аудиосигнала
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
CA2799343C (en) 2011-02-14 2016-06-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Information signal representation using lapped transform
AU2012217153B2 (en) 2011-02-14 2015-07-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion
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
KR101551046B1 (ko) 2011-02-14 2015-09-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법
EP2676264B1 (en) 2011-02-14 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder estimating background noise during active phases
CN103493129B (zh) 2011-02-14 2016-08-10 弗劳恩霍夫应用研究促进协会 用于使用瞬态检测及质量结果将音频信号的部分编码的装置与方法
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330689A (en) * 1980-01-28 1982-05-18 The United States Of America As Represented By The Secretary Of The Navy Multirate digital voice communication processor
US4677671A (en) * 1982-11-26 1987-06-30 International Business Machines Corp. Method and device for coding a voice signal
US5206884A (en) * 1990-10-25 1993-04-27 Comsat Transform domain quantization technique for adaptive predictive coding

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513426A (en) * 1982-12-20 1985-04-23 At&T Bell Laboratories Adaptive differential pulse code modulation
DE3688980T2 (de) * 1986-10-30 1994-04-21 Ibm Verfahren zur Multigeschwindigkeitskodierung von Signalen und Einrichtung zur Durchführung dieses Verfahrens.
SE454734B (sv) * 1987-02-20 1988-05-24 Harald Brusewitz Forfarande och anordning for sendning och mottagning vid variabel lengdkodning
FR2625060B1 (fr) * 1987-12-16 1990-10-05 Guichard Jacques Procede et dispositifs de codage et de decodage pour la transmission d'images a travers un reseau a debit variable
US5265190A (en) * 1991-05-31 1993-11-23 Motorola, Inc. CELP vocoder with efficient adaptive codebook search
US5684920A (en) * 1994-03-17 1997-11-04 Nippon Telegraph And Telephone Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330689A (en) * 1980-01-28 1982-05-18 The United States Of America As Represented By The Secretary Of The Navy Multirate digital voice communication processor
US4677671A (en) * 1982-11-26 1987-06-30 International Business Machines Corp. Method and device for coding a voice signal
US5206884A (en) * 1990-10-25 1993-04-27 Comsat Transform domain quantization technique for adaptive predictive coding

Also Published As

Publication number Publication date
TW296517B (cg-RX-API-DMAC10.html) 1997-01-21
KR100419545B1 (ko) 2004-06-04
CN1139999A (zh) 1997-01-08
CN1344067A (zh) 2002-04-10
KR960706719A (ko) 1996-12-09
CN1153365C (zh) 2004-06-09
CN1344072A (zh) 2002-04-10
US5982817A (en) 1999-11-09

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