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DE69222696D1 - Auf Analyse-durch-Synthese-Methoden gegründeter Sprachcodierer - Google Patents

Auf Analyse-durch-Synthese-Methoden gegründeter Sprachcodierer

Info

Publication number
DE69222696D1
DE69222696D1 DE69222696T DE69222696T DE69222696D1 DE 69222696 D1 DE69222696 D1 DE 69222696D1 DE 69222696 T DE69222696 T DE 69222696T DE 69222696 T DE69222696 T DE 69222696T DE 69222696 D1 DE69222696 D1 DE 69222696D1
Authority
DE
Germany
Prior art keywords
analysis
speech coder
synthesis methods
coder based
speech
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
DE69222696T
Other languages
English (en)
Other versions
DE69222696T2 (de
Inventor
De Iacovo Rosario Drogo
Roberto Montagna
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.)
TIM Telecom Italia Mobile SpA
Original Assignee
Telecom Italia Mobile SpA
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 Telecom Italia Mobile SpA filed Critical Telecom Italia Mobile SpA
Publication of DE69222696D1 publication Critical patent/DE69222696D1/de
Application granted granted Critical
Publication of DE69222696T2 publication Critical patent/DE69222696T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/66Details 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
    • H04B1/665Details 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 using psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Machine Translation (AREA)
DE69222696T 1991-06-28 1992-06-26 Auf Analyse-durch-Synthese-Methoden gegründeter Sprachcodierer Expired - Fee Related DE69222696T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO910493A IT1249940B (it) 1991-06-28 1991-06-28 Perfezionamenti ai codificatori della voce basati su tecniche di analisi per sintesi.

Publications (2)

Publication Number Publication Date
DE69222696D1 true DE69222696D1 (de) 1997-11-20
DE69222696T2 DE69222696T2 (de) 1998-02-26

Family

ID=11409446

Family Applications (2)

Application Number Title Priority Date Filing Date
DE199292110767T Pending DE520462T1 (de) 1991-06-28 1992-06-26 Auf analyse-durch-synthese methoden gegruendeten sprachcodierer.
DE69222696T Expired - Fee Related DE69222696T2 (de) 1991-06-28 1992-06-26 Auf Analyse-durch-Synthese-Methoden gegründeter Sprachcodierer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE199292110767T Pending DE520462T1 (de) 1991-06-28 1992-06-26 Auf analyse-durch-synthese methoden gegruendeten sprachcodierer.

Country Status (8)

Country Link
EP (1) EP0520462B1 (de)
JP (1) JP2597271B2 (de)
AT (1) ATE159375T1 (de)
CA (1) CA2070603C (de)
DE (2) DE520462T1 (de)
ES (1) ES2037645T3 (de)
GR (2) GR930300033T1 (de)
IT (1) IT1249940B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3024468B2 (ja) * 1993-12-10 2000-03-21 日本電気株式会社 音声復号装置
JP3024467B2 (ja) * 1993-12-10 2000-03-21 日本電気株式会社 音声符号化装置
CN101169934B (zh) * 2006-10-24 2011-05-11 华为技术有限公司 时域听觉阈值加权滤波器的构造方法和设备、编解码器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6069699A (ja) * 1983-09-26 1985-04-20 株式会社リコー 音声パタ−ン作成装置
US4827517A (en) * 1985-12-26 1989-05-02 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech processor using arbitrary excitation coding

Also Published As

Publication number Publication date
DE520462T1 (de) 1993-04-29
JPH05232998A (ja) 1993-09-10
ATE159375T1 (de) 1997-11-15
JP2597271B2 (ja) 1997-04-02
EP0520462B1 (de) 1997-10-15
DE69222696T2 (de) 1998-02-26
CA2070603C (en) 1996-10-15
IT1249940B (it) 1995-03-30
ITTO910493A0 (it) 1991-06-28
CA2070603A1 (en) 1992-12-29
GR930300033T1 (en) 1993-06-07
EP0520462A1 (de) 1992-12-30
ES2037645T1 (es) 1993-07-01
ES2037645T3 (es) 1997-12-01
GR3025073T3 (en) 1998-01-30
ITTO910493A1 (it) 1992-12-28

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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