ITMI930406A1 - Codec per il parlato a predizione lineare eccitato da un libro di codici - Google Patents

Codec per il parlato a predizione lineare eccitato da un libro di codici

Info

Publication number
ITMI930406A1
ITMI930406A1 IT000406A ITMI930406A ITMI930406A1 IT MI930406 A1 ITMI930406 A1 IT MI930406A1 IT 000406 A IT000406 A IT 000406A IT MI930406 A ITMI930406 A IT MI930406A IT MI930406 A1 ITMI930406 A1 IT MI930406A1
Authority
IT
Italy
Prior art keywords
codec
excited
speaking
book
codes
Prior art date
Application number
IT000406A
Other languages
English (en)
Inventor
Silvio Cucchi
Marco Fratti
Giorgio Parladori
Luca Ponte
Antonio Rotunno
Original Assignee
Alcatel Italia
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 Alcatel Italia filed Critical Alcatel Italia
Priority to ITMI930406A priority Critical patent/IT1271959B/it
Publication of ITMI930406A0 publication Critical patent/ITMI930406A0/it
Priority to EP94103204A priority patent/EP0614075B1/en
Priority to DE69424960T priority patent/DE69424960T2/de
Publication of ITMI930406A1 publication Critical patent/ITMI930406A1/it
Application granted granted Critical
Publication of IT1271959B publication Critical patent/IT1271959B/it

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
    • 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
    • G10L19/002—Dynamic bit allocation

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)
  • Error Detection And Correction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
ITMI930406A 1993-03-03 1993-03-03 Codec per il parlato a predizione lineare eccitato da un libro di codici IT1271959B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITMI930406A IT1271959B (it) 1993-03-03 1993-03-03 Codec per il parlato a predizione lineare eccitato da un libro di codici
EP94103204A EP0614075B1 (en) 1993-03-03 1994-03-03 Method and apparatus for speech coding using Trellis Coded Quantization for Linear Predictive Coding quantization
DE69424960T DE69424960T2 (de) 1993-03-03 1994-03-03 Verfahren und Vorrichtung zur Sprachkodierung mit Trellis-kodierter Quantisierung für LPC- Quantisierung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI930406A IT1271959B (it) 1993-03-03 1993-03-03 Codec per il parlato a predizione lineare eccitato da un libro di codici

Publications (3)

Publication Number Publication Date
ITMI930406A0 ITMI930406A0 (it) 1993-03-03
ITMI930406A1 true ITMI930406A1 (it) 1994-09-03
IT1271959B IT1271959B (it) 1997-06-10

Family

ID=11365221

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI930406A IT1271959B (it) 1993-03-03 1993-03-03 Codec per il parlato a predizione lineare eccitato da un libro di codici

Country Status (3)

Country Link
EP (1) EP0614075B1 (it)
DE (1) DE69424960T2 (it)
IT (1) IT1271959B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3557255B2 (ja) * 1994-10-18 2004-08-25 松下電器産業株式会社 Ｌｓｐパラメータ復号化装置及び復号化方法
US6128346A (en) * 1998-04-14 2000-10-03 Motorola, Inc. Method and apparatus for quantizing a signal in a digital system
WO2015145266A2 (ko) * 2014-03-28 2015-10-01 삼성전자 주식회사 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치
KR102400540B1 (ko) 2014-05-07 2022-05-20 삼성전자주식회사 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1184023B (it) * 1985-12-17 1987-10-22 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante analisi a sottobande e quantizzazione vettorariale con allocazione dinamica dei bit di codifica
US4975956A (en) * 1989-07-26 1990-12-04 Itt Corporation Low-bit-rate speech coder using LPC data reduction processing

Also Published As

Publication number Publication date
EP0614075B1 (en) 2000-06-21
EP0614075A3 (en) 1995-08-02
DE69424960D1 (de) 2000-07-27
ITMI930406A0 (it) 1993-03-03
IT1271959B (it) 1997-06-10
DE69424960T2 (de) 2001-01-11
EP0614075A2 (en) 1994-09-07

Similar Documents

Publication Publication Date Title
DE69403913D1 (de) Pumpendiaphragma
DE69428606D1 (de) Sprachgesteuerter kontozugang über ein fernsprechnetz
FI954573A (fi) Asiayhteydessä olevan puheen tunnistus
DE69427535T2 (de) Hydraulischer pumpenregler
DE69428420T2 (de) Globale Adressierung für selbsttaktierende Strichkodes
DE69432570D1 (de) Spracherkennung
DE69214900D1 (de) Lineare Riemenantrieb für Handläufe
ZA926061B (en) Speech synthesis using perceptual linear prediction parameters
DE69132956T2 (de) Sprachcodierung durch lineare Prädiktion mit Anhebung der Hochfrequenzen
DE69314389D1 (de) Zweimoden langzeitprädiktion in sprechkodierung
DE3689658T2 (de) Rufempfänger mit sprachsynthese durch lineare kodierungsvoraussage.
DE69303516T2 (de) Lineare Peristaltikpumpe
DE69408478T2 (de) Lineare digital-analoge interaktive armbanduhr
DE69418769D1 (de) Optischer Abtaster für Strichcode
DE69327021T2 (de) Dekodierschaltung für einen Kode variabler Länge
ITMI930406A1 (it) Codec per il parlato a predizione lineare eccitato da un libro di codici
DE69419112T2 (de) Kolben für Luftdruckwaffen
DE69619641D1 (de) Lineare Antriebsvorrichtung
DE69329476D1 (de) Sprachkodierungsystem
FI941648A0 (fi) Puhekoodain, joka hyödyntää synteesi-analyysitekniikkaa, ja joka omaa pulssiaktivoinnin
EP1083546A3 (en) Speech coding method using linear prediction and algebraic code excitation
EP0631274A3 (en) CELP encoder decoder.
AU5095193A (en) Adaptive speech coder having code excited linear prediction
KR940019290U (ko) 선형 구동 방식 엘리베이터장치
DE69232887D1 (de) Sprachkodierungsverfahren

Legal Events

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

Effective date: 19990226