ATE322733T1 - Verfahren zur synthese von komfortgeräusch-rahmen - Google Patents

Verfahren zur synthese von komfortgeräusch-rahmen

Info

Publication number
ATE322733T1
ATE322733T1 AT02380145T AT02380145T ATE322733T1 AT E322733 T1 ATE322733 T1 AT E322733T1 AT 02380145 T AT02380145 T AT 02380145T AT 02380145 T AT02380145 T AT 02380145T AT E322733 T1 ATE322733 T1 AT E322733T1
Authority
AT
Austria
Prior art keywords
frames
cnf
synthesis
synthesizing
periods
Prior art date
Application number
AT02380145T
Other languages
English (en)
Inventor
Paloma Garcia
Gomez Enrique Masgrau
Solano Eduardo Lleida
Original Assignee
Teltronic S A U
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 Teltronic S A U filed Critical Teltronic S A U
Application granted granted Critical
Publication of ATE322733T1 publication Critical patent/ATE322733T1/de

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/012Comfort noise or silence coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Noise Elimination (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT02380145T 2002-07-02 2002-07-02 Verfahren zur synthese von komfortgeräusch-rahmen ATE322733T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02380145A EP1378888B1 (de) 2002-07-02 2002-07-02 Verfahren zur Synthese von Komfortgeräusch-Rahmen

Publications (1)

Publication Number Publication Date
ATE322733T1 true ATE322733T1 (de) 2006-04-15

Family

ID=29719798

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02380145T ATE322733T1 (de) 2002-07-02 2002-07-02 Verfahren zur synthese von komfortgeräusch-rahmen

Country Status (4)

Country Link
EP (1) EP1378888B1 (de)
AT (1) ATE322733T1 (de)
DE (1) DE60210437D1 (de)
ES (1) ES2261620T3 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5745522A (en) * 1995-11-09 1998-04-28 General Instrument Corporation Of Delaware Randomizer for byte-wise scrambling of data
US5960389A (en) * 1996-11-15 1999-09-28 Nokia Mobile Phones Limited Methods for generating comfort noise during discontinuous transmission
EP0980605A2 (de) * 1998-03-05 2000-02-23 Koninklijke Philips Electronics N.V. Maskengenerierende polynome für pseudozufalls-rauschgeneratoren
US7124079B1 (en) * 1998-11-23 2006-10-17 Telefonaktiebolaget Lm Ericsson (Publ) Speech coding with comfort noise variability feature for increased fidelity
US6208618B1 (en) * 1998-12-04 2001-03-27 Tellabs Operations, Inc. Method and apparatus for replacing lost PSTN data in a packet network

Also Published As

Publication number Publication date
EP1378888B1 (de) 2006-04-05
EP1378888A1 (de) 2004-01-07
DE60210437D1 (de) 2006-05-18
ES2261620T3 (es) 2006-11-16

Similar Documents

Publication Publication Date Title
KR101692659B1 (ko) 낮은 비트 레이트들로 배경 잡음을 모델링하기 위한 안정 잡음 부가
KR101168648B1 (ko) 감쇠 인자를 취득하기 위한 방법 및 장치
CN101120400A (zh) 在通信系统中生成隐藏帧的方法
KR20040005860A (ko) 음성 통신에서의 위로 잡음 생성 방법 및 시스템
ATE427546T1 (de) Sprachubertragungssystem und verfahren zur behandlung verlorener datenrahmen
JP4810335B2 (ja) 広帯域オーディオ信号符号化装置および広帯域オーディオ信号復号装置
US5893056A (en) Methods and apparatus for generating noise signals from speech signals
JP4304360B2 (ja) 音声符号化復号方式間の符号変換方法および装置とその記憶媒体
CA2324898A1 (en) Speech signal decoding method and apparatus, speech signal encoding/decoding method and apparatus, and program product therefor
JPH07129195A (ja) 音声復号化装置
DE60210437D1 (de) Verfahren zur Synthese von Komfortgeräusch-Rahmen
CN101490749B (zh) 声音数据解码装置
KR100440608B1 (ko) 디지털신호처리장치
JP4238535B2 (ja) 音声符号化復号方式間の符号変換方法及び装置とその記憶媒体
JPH07334197A (ja) 音声符号化装置
ATE322732T1 (de) Verfahren zur erzeugung von komfortgeräusch- rahmen (cnf)
JP2003029799A (ja) 音声復号化方法
JP2518766B2 (ja) 音声復号装置
JPH08110800A (ja) A−b−S法による高能率音声符号化方式
JPH10232698A (ja) 話速変換装置
JPH07261796A (ja) 音声符号化復号化装置
HK1217244B (en) Comfort noise addition for modeling background noise at low bit-rates

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties