DE69731588D1 - Coderienrichtung mit verringerter komplexität für ein signalübertragungssystem - Google Patents

Coderienrichtung mit verringerter komplexität für ein signalübertragungssystem

Info

Publication number
DE69731588D1
DE69731588D1 DE69731588T DE69731588T DE69731588D1 DE 69731588 D1 DE69731588 D1 DE 69731588D1 DE 69731588 T DE69731588 T DE 69731588T DE 69731588 T DE69731588 T DE 69731588T DE 69731588 D1 DE69731588 D1 DE 69731588D1
Authority
DE
Germany
Prior art keywords
signal transmission
transmission system
reduced complexity
code direction
code
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 - Lifetime
Application number
DE69731588T
Other languages
English (en)
Other versions
DE69731588T2 (de
Inventor
Friedhelm Wuppermann
Bont Fransiscus Marinus Joz De
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 DE69731588D1 publication Critical patent/DE69731588D1/de
Application granted granted Critical
Publication of DE69731588T2 publication Critical patent/DE69731588T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L19/04—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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • H04B1/62—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 providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • 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)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE69731588T 1996-02-15 1997-01-31 Coderienrichtung mit verringerter komplexität für ein signalübertragungssystem Expired - Lifetime DE69731588T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP96200371 1996-02-15
EP96200371 1996-02-15
PCT/IB1997/000069 WO1997030525A1 (en) 1996-02-15 1997-01-31 Reduced complexity signal transmission system

Publications (2)

Publication Number Publication Date
DE69731588D1 true DE69731588D1 (de) 2004-12-23
DE69731588T2 DE69731588T2 (de) 2005-12-01

Family

ID=8223673

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69731588T Expired - Lifetime DE69731588T2 (de) 1996-02-15 1997-01-31 Coderienrichtung mit verringerter komplexität für ein signalübertragungssystem

Country Status (9)

Country Link
US (4) US6272196B1 (de)
EP (1) EP0821849B1 (de)
JP (1) JP4097699B2 (de)
KR (1) KR100426514B1 (de)
CN (1) CN1114279C (de)
AR (1) AR006972A1 (de)
DE (1) DE69731588T2 (de)
TW (1) TW317051B (de)
WO (1) WO1997030525A1 (de)

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US20040044673A1 (en) * 2002-09-04 2004-03-04 Jeffrey Brady System and method for a planner and a deduplicating planner
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US7788486B2 (en) * 2003-09-24 2010-08-31 Advanced Health Media, Llc System and method for distributing and creating presentations
US20050091191A1 (en) * 2003-09-24 2005-04-28 Greg Miller System and method for managing and utilizing information
US20050171830A1 (en) * 2003-09-24 2005-08-04 Greg Miller System and method for managing and utilizing information
US8809705B2 (en) * 2007-12-04 2014-08-19 General Electric Company Device and method for switching electrical energy
EP1671316B1 (de) * 2003-09-29 2007-08-01 Koninklijke Philips Electronics N.V. Codierung von audiosignalen
US7861246B2 (en) 2004-06-17 2010-12-28 Platform Computing Corporation Job-centric scheduling in a grid environment
US7403745B2 (en) * 2005-08-02 2008-07-22 Lucent Technologies Inc. Channel quality predictor and method of estimating a channel condition in a wireless communications network
US8417185B2 (en) 2005-12-16 2013-04-09 Vocollect, Inc. Wireless headset and method for robust voice data communication
US7773767B2 (en) 2006-02-06 2010-08-10 Vocollect, Inc. Headset terminal with rear stability strap
US7885419B2 (en) 2006-02-06 2011-02-08 Vocollect, Inc. Headset terminal with speech functionality
RU2459283C2 (ru) * 2007-03-02 2012-08-20 Панасоник Корпорэйшн Кодирующее устройство, декодирующее устройство и способ
USD605629S1 (en) 2008-09-29 2009-12-08 Vocollect, Inc. Headset
US8160287B2 (en) 2009-05-22 2012-04-17 Vocollect, Inc. Headset with adjustable headband
US8438659B2 (en) 2009-11-05 2013-05-07 Vocollect, Inc. Portable computing device and headset interface
US9263053B2 (en) 2012-04-04 2016-02-16 Google Technology Holdings LLC Method and apparatus for generating a candidate code-vector to code an informational signal
US9070356B2 (en) * 2012-04-04 2015-06-30 Google Technology Holdings LLC Method and apparatus for generating a candidate code-vector to code an informational signal

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US5621852A (en) * 1993-12-14 1997-04-15 Interdigital Technology Corporation Efficient codebook structure for code excited linear prediction coding
US5651090A (en) * 1994-05-06 1997-07-22 Nippon Telegraph And Telephone Corporation Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor
JPH08123494A (ja) * 1994-10-28 1996-05-17 Mitsubishi Electric Corp 音声符号化装置、音声復号化装置、音声符号化復号化方法およびこれらに使用可能な位相振幅特性導出装置
US5699485A (en) * 1995-06-07 1997-12-16 Lucent Technologies Inc. Pitch delay modification during frame erasures
DE69516522T2 (de) * 1995-11-09 2001-03-08 Nokia Mobile Phones Ltd Verfahren zur Synthetisierung eines Sprachsignalblocks in einem CELP-Kodierer
US5867814A (en) * 1995-11-17 1999-02-02 National Semiconductor Corporation Speech coder that utilizes correlation maximization to achieve fast excitation coding, and associated coding method
US5819213A (en) * 1996-01-31 1998-10-06 Kabushiki Kaisha Toshiba Speech encoding and decoding with pitch filter range unrestricted by codebook range and preselecting, then increasing, search candidates from linear overlap codebooks

Also Published As

Publication number Publication date
KR19990007805A (ko) 1999-01-25
AR006972A1 (es) 1999-10-13
KR100426514B1 (ko) 2004-07-01
US20010014856A1 (en) 2001-08-16
CN1189263A (zh) 1998-07-29
US20010006537A1 (en) 2001-07-05
EP0821849B1 (de) 2004-11-17
US6600798B2 (en) 2003-07-29
US6608877B1 (en) 2003-08-19
US6603832B2 (en) 2003-08-05
CN1114279C (zh) 2003-07-09
TW317051B (de) 1997-10-01
EP0821849A1 (de) 1998-02-04
DE69731588T2 (de) 2005-12-01
WO1997030525A1 (en) 1997-08-21
JP4097699B2 (ja) 2008-06-11
US6272196B1 (en) 2001-08-07
JPH11504492A (ja) 1999-04-20

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