DE69518712T2 - Gerät zur Kodierung und Dekodierung von Linienspektrumpaarparametern - Google Patents

Gerät zur Kodierung und Dekodierung von Linienspektrumpaarparametern

Info

Publication number
DE69518712T2
DE69518712T2 DE69518712T DE69518712T DE69518712T2 DE 69518712 T2 DE69518712 T2 DE 69518712T2 DE 69518712 T DE69518712 T DE 69518712T DE 69518712 T DE69518712 T DE 69518712T DE 69518712 T2 DE69518712 T2 DE 69518712T2
Authority
DE
Germany
Prior art keywords
coding
line spectrum
spectrum pair
decoding line
pair parameters
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
DE69518712T
Other languages
English (en)
Other versions
DE69518712D1 (de
Inventor
Naoya Tanaka
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69518712D1 publication Critical patent/DE69518712D1/de
Application granted granted Critical
Publication of DE69518712T2 publication Critical patent/DE69518712T2/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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69518712T 1994-10-18 1995-10-17 Gerät zur Kodierung und Dekodierung von Linienspektrumpaarparametern Expired - Lifetime DE69518712T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25201194A JP3557255B2 (ja) 1994-10-18 1994-10-18 Ｌｓｐパラメータ復号化装置及び復号化方法

Publications (2)

Publication Number Publication Date
DE69518712D1 DE69518712D1 (de) 2000-10-12
DE69518712T2 true DE69518712T2 (de) 2001-01-04

Family

ID=17231333

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69518712T Expired - Lifetime DE69518712T2 (de) 1994-10-18 1995-10-17 Gerät zur Kodierung und Dekodierung von Linienspektrumpaarparametern

Country Status (4)

Country Link
US (2) US5802487A (de)
EP (1) EP0708435B1 (de)
JP (1) JP3557255B2 (de)
DE (1) DE69518712T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3067676B2 (ja) * 1997-02-13 2000-07-17 日本電気株式会社 Ｌｓｐの予測符号化装置及び方法
US6499008B2 (en) * 1998-05-26 2002-12-24 Koninklijke Philips Electronics N.V. Transceiver for selecting a source coder based on signal distortion estimate
US6952671B1 (en) 1999-10-04 2005-10-04 Xvd Corporation Vector quantization with a non-structured codebook for audio compression
JP3523827B2 (ja) * 2000-05-18 2004-04-26 沖電気工業株式会社 音声データ録音再生装置
EP1428206B1 (de) * 2001-08-17 2007-09-12 Broadcom Corporation Verfahren zum verbergen von bitfehlern für die sprachcodierung
US7363218B2 (en) 2002-10-25 2008-04-22 Dilithium Networks Pty. Ltd. Method and apparatus for fast CELP parameter mapping
KR100612889B1 (ko) * 2005-02-05 2006-08-14 삼성전자주식회사 선스펙트럼 쌍 파라미터 복원 방법 및 장치와 그 음성복호화 장치
JP5084360B2 (ja) * 2007-06-13 2012-11-28 三菱電機株式会社 音声符号化装置及び音声復号装置
CN102369569B (zh) * 2009-05-13 2013-04-24 华为技术有限公司 编码处理方法、编码处理装置与发射机
JP6145790B2 (ja) * 2012-07-05 2017-06-14 パナソニックＩｐマネジメント株式会社 符号化・復号化システム、復号化装置、符号化装置、及び符号化・復号化方法
SG11201608787UA (en) 2014-03-28 2016-12-29 Samsung Electronics Co Ltd Method and device for quantization of linear prediction coefficient and method and device for inverse quantization
KR20230149335A (ko) 2014-05-07 2023-10-26 삼성전자주식회사 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치
CN104078047B (zh) * 2014-06-21 2017-06-06 西安邮电大学 基于语音多带激励编码lsp参数的量子压缩方法
DE102015116246B4 (de) 2015-09-25 2023-03-23 Apple Inc. Ein Verfahren und eine Vorrichtung zum Bestimmen eines rauschgeformten, quantisierten Parameters, der zu der Erzeugung eines Ausgangssignals beiträgt
US10991376B2 (en) 2016-12-16 2021-04-27 Telefonaktiebolaget Lm Ericsson (Publ) Methods, encoder and decoder for handling line spectral frequency coefficients

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1329274C (en) * 1988-06-08 1994-05-03 Tomohiko Taniguchi Encoder / decoder apparatus
CA2020084C (en) * 1989-06-29 1994-10-18 Kohei Iseda Voice coding/decoding system having selected coders and entropy coders
JPH0398318A (ja) * 1989-09-11 1991-04-23 Fujitsu Ltd 音声符号化方式
US5097507A (en) * 1989-12-22 1992-03-17 General Electric Company Fading bit error protection for digital cellular multi-pulse speech coder
US5271089A (en) * 1990-11-02 1993-12-14 Nec Corporation Speech parameter encoding method capable of transmitting a spectrum parameter at a reduced number of bits
JP3151874B2 (ja) * 1991-02-26 2001-04-03 日本電気株式会社 音声パラメータ符号化方式および装置
US5371853A (en) * 1991-10-28 1994-12-06 University Of Maryland At College Park Method and system for CELP speech coding and codebook for use therewith
US5495555A (en) * 1992-06-01 1996-02-27 Hughes Aircraft Company High quality low bit rate celp-based speech codec
IT1271959B (it) * 1993-03-03 1997-06-10 Alcatel Italia Codec per il parlato a predizione lineare eccitato da un libro di codici
JPH07277038A (ja) * 1994-04-11 1995-10-24 Nippondenso Co Ltd 車両制御装置
US5704001A (en) * 1994-08-04 1997-12-30 Qualcomm Incorporated Sensitivity weighted vector quantization of line spectral pair frequencies

Also Published As

Publication number Publication date
EP0708435B1 (de) 2000-09-06
USRE40968E1 (en) 2009-11-10
EP0708435A1 (de) 1996-04-24
US5802487A (en) 1998-09-01
DE69518712D1 (de) 2000-10-12
JPH08123496A (ja) 1996-05-17
JP3557255B2 (ja) 2004-08-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP