FI942762A0 - Förfarande och anordning för kvantisering av spektralparameter i digital talkodare - Google Patents

Förfarande och anordning för kvantisering av spektralparameter i digital talkodare

Info

Publication number
FI942762A0
FI942762A0 FI942762A FI942762A FI942762A0 FI 942762 A0 FI942762 A0 FI 942762A0 FI 942762 A FI942762 A FI 942762A FI 942762 A FI942762 A FI 942762A FI 942762 A0 FI942762 A0 FI 942762A0
Authority
FI
Finland
Prior art keywords
quantization
indexes
spectral parameters
digital speech
parameters
Prior art date
Application number
FI942762A
Other languages
English (en)
Finnish (fi)
Other versions
FI942762A (sv
FI112004B (sv
Inventor
Daniele Sereno
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 FI942762A0 publication Critical patent/FI942762A0/sv
Publication of FI942762A publication Critical patent/FI942762A/sv
Application granted granted Critical
Publication of FI112004B publication Critical patent/FI112004B/sv

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)
FI942762A 1993-06-10 1994-06-10 Förfarande och anordning för kvantisering av spektralparameter i digital talkodare FI112004B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO930420 1993-06-10
ITTO930420A IT1270439B (it) 1993-06-10 1993-06-10 Procedimento e dispositivo per la quantizzazione dei parametri spettrali in codificatori numerici della voce

Publications (3)

Publication Number Publication Date
FI942762A0 true FI942762A0 (sv) 1994-06-10
FI942762A FI942762A (sv) 1994-12-11
FI112004B FI112004B (sv) 2003-10-15

Family

ID=11411550

Family Applications (1)

Application Number Title Priority Date Filing Date
FI942762A FI112004B (sv) 1993-06-10 1994-06-10 Förfarande och anordning för kvantisering av spektralparameter i digital talkodare

Country Status (10)

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

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 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
EP2040253B1 (en) * 2000-04-24 2012-04-11 Qualcomm Incorporated Predictive dequantization of voiced speech
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 (en) * 2015-07-31 2017-02-01 ARM Limited Vector processing using loops of dynamic vector length

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
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
FI942762A (sv) 1994-12-11
IT1270439B (it) 1997-05-05
ES2065872T1 (es) 1995-03-01
ATE172046T1 (de) 1998-10-15
GR950300012T1 (en) 1995-03-31
EP0628946A1 (en) 1994-12-14
EP0628946B1 (en) 1998-10-07
CA2124645C (en) 1998-07-21
FI112004B (sv) 2003-10-15
ITTO930420A0 (it) 1993-06-10
DE69413747T2 (de) 1999-04-15
JPH0720897A (ja) 1995-01-24
ES2065872T3 (es) 1998-12-16
DE628946T1 (de) 1995-08-03
CA2124645A1 (en) 1994-12-11
US5546498A (en) 1996-08-13
ITTO930420A1 (it) 1994-12-10
JP3197156B2 (ja) 2001-08-13
DE69413747D1 (de) 1998-11-12

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: TELECOM ITALIA S.P.A.

MA Patent expired