DE69413747D1 - Verfahren und Vorrichtung zur Quantisierung von Spektralparametern in digitalen Sprachkodierern - Google Patents

Verfahren und Vorrichtung zur Quantisierung von Spektralparametern in digitalen Sprachkodierern

Info

Publication number
DE69413747D1
DE69413747D1 DE69413747T DE69413747T DE69413747D1 DE 69413747 D1 DE69413747 D1 DE 69413747D1 DE 69413747 T DE69413747 T DE 69413747T DE 69413747 T DE69413747 T DE 69413747T DE 69413747 D1 DE69413747 D1 DE 69413747D1
Authority
DE
Germany
Prior art keywords
indexes
spectral parameters
digital speech
parameters
speech encoders
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
DE69413747T
Other languages
English (en)
Other versions
DE69413747T2 (de
Inventor
Daniele Sereno
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.)
Telecom Italia SpA
Original Assignee
Telecom Italia 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 SpA filed Critical Telecom Italia SpA
Publication of DE69413747D1 publication Critical patent/DE69413747D1/de
Application granted granted Critical
Publication of DE69413747T2 publication Critical patent/DE69413747T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Spectrometry And Color Measurement (AREA)
DE69413747T 1993-06-10 1994-06-09 Verfahren und Vorrichtung zur Quantisierung von Spektralparametern in digitalen Sprachkodierern Expired - Lifetime DE69413747T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO930420A IT1270439B (it) 1993-06-10 1993-06-10 Procedimento e dispositivo per la quantizzazione dei parametri spettrali in codificatori numerici della voce

Publications (2)

Publication Number Publication Date
DE69413747D1 true DE69413747D1 (de) 1998-11-12
DE69413747T2 DE69413747T2 (de) 1999-04-15

Family

ID=11411550

Family Applications (2)

Application Number Title Priority Date Filing Date
DE0628946T Pending DE628946T1 (de) 1993-06-10 1994-06-09 Verfahren und Vorrichtung für digitale Sprachkodierer mit quantisierten Spectralparametern.
DE69413747T Expired - Lifetime DE69413747T2 (de) 1993-06-10 1994-06-09 Verfahren und Vorrichtung zur Quantisierung von Spektralparametern in digitalen Sprachkodierern

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE0628946T Pending DE628946T1 (de) 1993-06-10 1994-06-09 Verfahren und Vorrichtung für digitale Sprachkodierer mit quantisierten Spectralparametern.

Country Status (10)

Country Link
US (1) US5546498A (de)
EP (1) EP0628946B1 (de)
JP (1) JP3197156B2 (de)
AT (1) ATE172046T1 (de)
CA (1) CA2124645C (de)
DE (2) DE628946T1 (de)
ES (1) ES2065872T3 (de)
FI (1) FI112004B (de)
GR (1) GR950300012T1 (de)
IT (1) IT1270439B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3237089B2 (ja) * 1994-07-28 2001-12-10 株式会社日立製作所 音響信号符号化復号方法
JPH08179796A (ja) * 1994-12-21 1996-07-12 Sony Corp 音声符号化方法
EP0944038B1 (de) * 1995-01-17 2001-09-12 Nec Corporation Sprachkodierer mit aus aktuellen und vorhergehenden Rahmen extrahierten Merkmalen
JP3308764B2 (ja) * 1995-05-31 2002-07-29 日本電気株式会社 音声符号化装置
DE60128677T2 (de) * 2000-04-24 2008-03-06 Qualcomm, Inc., San Diego Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen
CN107452391B (zh) 2014-04-29 2020-08-25 华为技术有限公司 音频编码方法及相关装置
EP3125108A1 (de) * 2015-07-31 2017-02-01 ARM Limited Datenverarbeitung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
EP0331858B1 (de) * 1988-03-08 1993-08-25 International Business Machines Corporation Verfahren und Einrichtung zur Sprachkodierung mit mehreren Datenraten
US5179626A (en) * 1988-04-08 1993-01-12 At&T Bell Laboratories Harmonic speech coding arrangement where a set of parameters for a continuous magnitude spectrum is determined by a speech analyzer and the parameters are used by a synthesizer to determine a spectrum which is used to determine senusoids for synthesis
US5208862A (en) * 1990-02-22 1993-05-04 Nec Corporation Speech coder
US5351338A (en) * 1992-07-06 1994-09-27 Telefonaktiebolaget L M Ericsson Time variable spectral analysis based on interpolation for speech coding

Also Published As

Publication number Publication date
DE628946T1 (de) 1995-08-03
ITTO930420A1 (it) 1994-12-10
ES2065872T1 (es) 1995-03-01
CA2124645A1 (en) 1994-12-11
FI942762A (fi) 1994-12-11
EP0628946B1 (de) 1998-10-07
EP0628946A1 (de) 1994-12-14
ES2065872T3 (es) 1998-12-16
FI112004B (fi) 2003-10-15
JPH0720897A (ja) 1995-01-24
IT1270439B (it) 1997-05-05
ATE172046T1 (de) 1998-10-15
CA2124645C (en) 1998-07-21
DE69413747T2 (de) 1999-04-15
US5546498A (en) 1996-08-13
ITTO930420A0 (it) 1993-06-10
GR950300012T1 (en) 1995-03-31
FI942762A0 (fi) 1994-06-10
JP3197156B2 (ja) 2001-08-13

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