DE69912063D1 - Übertragungssystem, welches einen verbesserten signalkodierer und -dekodierer verwendet - Google Patents

Übertragungssystem, welches einen verbesserten signalkodierer und -dekodierer verwendet

Info

Publication number
DE69912063D1
DE69912063D1 DE69912063T DE69912063T DE69912063D1 DE 69912063 D1 DE69912063 D1 DE 69912063D1 DE 69912063 T DE69912063 T DE 69912063T DE 69912063 T DE69912063 T DE 69912063T DE 69912063 D1 DE69912063 D1 DE 69912063D1
Authority
DE
Germany
Prior art keywords
codier
decoder
transmission system
improved signal
improved
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69912063T
Other languages
English (en)
Other versions
DE69912063T2 (de
Inventor
M Tolhuizen
J Sluijter
J Gerrits
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69912063D1 publication Critical patent/DE69912063D1/de
Application granted granted Critical
Publication of DE69912063T2 publication Critical patent/DE69912063T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • 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
    • G10L2019/0001—Codebooks
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
DE69912063T 1998-05-14 1999-05-06 Übertragungssystem, welches einen verbesserten signalkodierer und -dekodierer verwendet Expired - Fee Related DE69912063T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98201590 1998-05-14
EP98201590 1998-05-14
PCT/IB1999/000815 WO1999059140A2 (en) 1998-05-14 1999-05-06 Transmission system using an improved signal encoder and decoder

Publications (2)

Publication Number Publication Date
DE69912063D1 true DE69912063D1 (de) 2003-11-20
DE69912063T2 DE69912063T2 (de) 2004-07-22

Family

ID=8233725

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69912063T Expired - Fee Related DE69912063T2 (de) 1998-05-14 1999-05-06 Übertragungssystem, welches einen verbesserten signalkodierer und -dekodierer verwendet

Country Status (8)

Country Link
US (2) US6363341B1 (de)
EP (2) EP0996948B1 (de)
JP (1) JP2002515659A (de)
KR (1) KR100539287B1 (de)
CN (1) CN1143269C (de)
DE (1) DE69912063T2 (de)
TW (1) TW439368B (de)
WO (1) WO1999059140A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW439368B (en) * 1998-05-14 2001-06-07 Koninkl Philips Electronics Nv Transmission system using an improved signal encoder and decoder
CN1242379C (zh) * 1999-08-23 2006-02-15 松下电器产业株式会社 音频编码装置
JP4360235B2 (ja) * 2004-03-12 2009-11-11 日本電気株式会社 多値変調方法とシステム
KR100595533B1 (ko) * 2004-12-02 2006-06-30 엘지전자 주식회사 음성인식 모델의 메모리 요구량 차감 방법
US7426198B2 (en) * 2006-02-06 2008-09-16 Motorola, Inc. Method and apparatus for performing spatial-division multiple access
GB2436191B (en) * 2006-03-14 2008-06-25 Motorola Inc Communication Unit, Intergrated Circuit And Method Therefor
US7864657B2 (en) * 2006-05-23 2011-01-04 Motorola Mobility, Inc. Method and apparatus for performing stream weighting in an SDMA communication system
US8208516B2 (en) * 2006-07-14 2012-06-26 Qualcomm Incorporated Encoder initialization and communications
KR20120058667A (ko) * 2010-10-24 2012-06-08 김주형 원자정보기술을 이용하는 방법 및 장치
EP3157217B1 (de) * 2015-10-13 2019-07-03 Samsung Electronics Co., Ltd. Verfahren und einrichtung zur übertragung unabhängiger daten von sendern zu empfängern

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012518A (en) * 1989-07-26 1991-04-30 Itt Corporation Low-bit-rate speech coder using LPC data reduction processing
US5528723A (en) * 1990-12-28 1996-06-18 Motorola, Inc. Digital speech coder and method utilizing harmonic noise weighting
JP2776050B2 (ja) * 1991-02-26 1998-07-16 日本電気株式会社 音声符号化方式
JP2591430B2 (ja) * 1993-06-30 1997-03-19 日本電気株式会社 ベクトル量子化装置
US5621852A (en) * 1993-12-14 1997-04-15 Interdigital Technology Corporation Efficient codebook structure for code excited linear prediction coding
JP3303580B2 (ja) * 1995-02-23 2002-07-22 日本電気株式会社 音声符号化装置
JPH08272395A (ja) * 1995-03-31 1996-10-18 Nec Corp 音声符号化装置
TW307960B (en) * 1996-02-15 1997-06-11 Philips Electronics Nv Reduced complexity signal transmission system
DE69732746C5 (de) * 1996-02-15 2020-11-19 Koninklijke Philips N.V. Signalübertragungssystem mit verringerter komplexität
TW317051B (de) * 1996-02-15 1997-10-01 Philips Electronics Nv
JP3357795B2 (ja) * 1996-08-16 2002-12-16 株式会社東芝 音声符号化方法および装置
KR20000064913A (ko) * 1997-02-10 2000-11-06 요트.게.아. 롤페즈 저ㄴ송 시스템, 수신기, 및 재구성된 음성 신호 유도 방법
JP2000512036A (ja) * 1997-02-10 2000-09-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 音声信号を伝送する通信回路網
TW439368B (en) * 1998-05-14 2001-06-07 Koninkl Philips Electronics Nv Transmission system using an improved signal encoder and decoder
US6182030B1 (en) * 1998-12-18 2001-01-30 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced coding to improve coded communication signals

Also Published As

Publication number Publication date
KR100539287B1 (ko) 2005-12-28
EP0996948A2 (de) 2000-05-03
EP0996948B1 (de) 2003-10-15
WO1999059140A8 (en) 2000-04-20
CN1272201A (zh) 2000-11-01
WO1999059140A2 (en) 1999-11-18
EP1335366A1 (de) 2003-08-13
KR20010021736A (ko) 2001-03-15
TW439368B (en) 2001-06-07
US20020099537A1 (en) 2002-07-25
US6363341B1 (en) 2002-03-26
CN1143269C (zh) 2004-03-24
WO1999059140A3 (en) 2000-02-17
JP2002515659A (ja) 2002-05-28
DE69912063T2 (de) 2004-07-22
US7003453B2 (en) 2006-02-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee