ATE172046T1 - 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
ATE172046T1
ATE172046T1 AT94108873T AT94108873T ATE172046T1 AT E172046 T1 ATE172046 T1 AT E172046T1 AT 94108873 T AT94108873 T AT 94108873T AT 94108873 T AT94108873 T AT 94108873T AT E172046 T1 ATE172046 T1 AT E172046T1
Authority
AT
Austria
Prior art keywords
indexes
spectral parameters
digital speech
parameters
speech encoders
Prior art date
Application number
AT94108873T
Other languages
English (en)
Inventor
Daniele Sereno
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
Application granted granted Critical
Publication of ATE172046T1 publication Critical patent/ATE172046T1/de

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)
AT94108873T 1993-06-10 1994-06-09 Verfahren und vorrichtung zur quantisierung von spektralparametern in digitalen sprachkodierern ATE172046T1 (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 (1)

Publication Number Publication Date
ATE172046T1 true ATE172046T1 (de) 1998-10-15

Family

ID=11411550

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94108873T ATE172046T1 (de) 1993-06-10 1994-06-09 Verfahren und vorrichtung zur quantisierung von spektralparametern in digitalen sprachkodierern

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) DE69413747T2 (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
DE69615870T2 (de) * 1995-01-17 2002-04-04 Nec Corp., Tokio/Tokyo 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
CN100362568C (zh) * 2000-04-24 2008-01-16 高通股份有限公司 用于预测量化有声语音的方法和设备
CN105096958B (zh) 2014-04-29 2017-04-12 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.
DE3883519T2 (de) * 1988-03-08 1994-03-17 Ibm 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
DE69133296T2 (de) * 1990-02-22 2004-01-29 Nec Corp Sprachcodierer
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
IT1270439B (it) 1997-05-05
CA2124645A1 (en) 1994-12-11
ITTO930420A0 (it) 1993-06-10
CA2124645C (en) 1998-07-21
GR950300012T1 (en) 1995-03-31
ES2065872T3 (es) 1998-12-16
DE69413747D1 (de) 1998-11-12
JP3197156B2 (ja) 2001-08-13
EP0628946A1 (de) 1994-12-14
ITTO930420A1 (it) 1994-12-10
JPH0720897A (ja) 1995-01-24
DE628946T1 (de) 1995-08-03
EP0628946B1 (de) 1998-10-07
ES2065872T1 (es) 1995-03-01
US5546498A (en) 1996-08-13
FI942762A0 (fi) 1994-06-10
FI112004B (fi) 2003-10-15
FI942762L (fi) 1994-12-11
DE69413747T2 (de) 1999-04-15

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Legal Events

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UEP Publication of translation of european patent specification