ITTO910493A0 - Perfezionamentiai codifiatori della voce basai su tecniche di analisi per sintesi - Google Patents

Perfezionamentiai codifiatori della voce basai su tecniche di analisi per sintesi

Info

Publication number
ITTO910493A0
ITTO910493A0 IT91TO493A ITTO910493A ITTO910493A0 IT TO910493 A0 ITTO910493 A0 IT TO910493A0 IT 91TO493 A IT91TO493 A IT 91TO493A IT TO910493 A ITTO910493 A IT TO910493A IT TO910493 A0 ITTO910493 A0 IT TO910493A0
Authority
IT
Italy
Prior art keywords
analysis
synthesis techniques
voice coders
coders based
voice
Prior art date
Application number
IT91TO493A
Other languages
English (en)
Inventor
De Iacovo Rosario Drogo
Roberto Montagna
Original Assignee
Sip
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 Sip filed Critical Sip
Publication of ITTO910493A0 publication Critical patent/ITTO910493A0/it
Priority to ITTO910493A priority Critical patent/IT1249940B/it
Priority to CA002070603A priority patent/CA2070603C/en
Priority to JP4187371A priority patent/JP2597271B2/ja
Priority to ES92110767T priority patent/ES2037645T3/es
Priority to AT92110767T priority patent/ATE159375T1/de
Priority to DE199292110767T priority patent/DE520462T1/de
Priority to DE69222696T priority patent/DE69222696T2/de
Priority to EP92110767A priority patent/EP0520462B1/en
Publication of ITTO910493A1 publication Critical patent/ITTO910493A1/it
Priority to GR930300033T priority patent/GR930300033T1/el
Application granted granted Critical
Publication of IT1249940B publication Critical patent/IT1249940B/it
Priority to GR970402658T priority patent/GR3025073T3/el

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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • H04B1/66—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 reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—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 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)
ITTO910493A 1991-06-28 1991-06-28 Perfezionamenti ai codificatori della voce basati su tecniche di analisi per sintesi. IT1249940B (it)

Priority Applications (10)

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.
CA002070603A CA2070603C (en) 1991-06-28 1992-06-05 Speech coders based on analysis-by-synthesis techniques
JP4187371A JP2597271B2 (ja) 1991-06-28 1992-06-23 合成による分析技術に基づく音声コーダの改良
AT92110767T ATE159375T1 (de) 1991-06-28 1992-06-26 Auf analyse-durch-synthese-methoden gegründeter sprachcodierer
ES92110767T ES2037645T3 (es) 1991-06-28 1992-06-26 Codificadores de la voz basados en tecnicas de analisis por sintesis.
DE199292110767T DE520462T1 (de) 1991-06-28 1992-06-26 Auf analyse-durch-synthese methoden gegruendeten sprachcodierer.
DE69222696T DE69222696T2 (de) 1991-06-28 1992-06-26 Auf Analyse-durch-Synthese-Methoden gegründeter Sprachcodierer
EP92110767A EP0520462B1 (en) 1991-06-28 1992-06-26 Speech coders based on analysis-by-synthesis techniques
GR930300033T GR930300033T1 (en) 1991-06-28 1993-06-07 Speech coders based on analysis-by-synthesis techniques
GR970402658T GR3025073T3 (en) 1991-06-28 1997-10-16 Speech coders based on analysis-by-synthesis techniques

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 (3)

Publication Number Publication Date
ITTO910493A0 true ITTO910493A0 (it) 1991-06-28
ITTO910493A1 ITTO910493A1 (it) 1992-12-28
IT1249940B IT1249940B (it) 1995-03-30

Family

ID=11409446

Family Applications (1)

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

Country Status (8)

Country Link
EP (1) EP0520462B1 (it)
JP (1) JP2597271B2 (it)
AT (1) ATE159375T1 (it)
CA (1) CA2070603C (it)
DE (2) DE69222696T2 (it)
ES (1) ES2037645T3 (it)
GR (2) GR930300033T1 (it)
IT (1) IT1249940B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3024467B2 (ja) * 1993-12-10 2000-03-21 日本電気株式会社 音声符号化装置
JP3024468B2 (ja) * 1993-12-10 2000-03-21 日本電気株式会社 音声復号装置
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
DE69222696T2 (de) 1998-02-26
ES2037645T3 (es) 1997-12-01
ITTO910493A1 (it) 1992-12-28
DE69222696D1 (de) 1997-11-20
JP2597271B2 (ja) 1997-04-02
GR930300033T1 (en) 1993-06-07
IT1249940B (it) 1995-03-30
ATE159375T1 (de) 1997-11-15
EP0520462B1 (en) 1997-10-15
CA2070603A1 (en) 1992-12-29
CA2070603C (en) 1996-10-15
DE520462T1 (de) 1993-04-29
JPH05232998A (ja) 1993-09-10
EP0520462A1 (en) 1992-12-30
GR3025073T3 (en) 1998-01-30
ES2037645T1 (es) 1993-07-01

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950516