TW424365B - Transmission system with improved reconstruction of missing parts - Google Patents

Transmission system with improved reconstruction of missing parts Download PDF

Info

Publication number
TW424365B
TW424365B TW087115650A TW87115650A TW424365B TW 424365 B TW424365 B TW 424365B TW 087115650 A TW087115650 A TW 087115650A TW 87115650 A TW87115650 A TW 87115650A TW 424365 B TW424365 B TW 424365B
Authority
TW
Taiwan
Prior art keywords
signal
reconstruction
quality
delay
transmission system
Prior art date
Application number
TW087115650A
Other languages
English (en)
Chinese (zh)
Inventor
Juha Rapeli
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of TW424365B publication Critical patent/TW424365B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • 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
    • G10L19/012—Comfort noise or silence coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
TW087115650A 1997-09-12 1998-09-19 Transmission system with improved reconstruction of missing parts TW424365B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97402129 1997-09-12

Publications (1)

Publication Number Publication Date
TW424365B true TW424365B (en) 2001-03-01

Family

ID=8229846

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087115650A TW424365B (en) 1997-09-12 1998-09-19 Transmission system with improved reconstruction of missing parts

Country Status (6)

Country Link
EP (1) EP0938781A2 (fr)
JP (1) JP2001508268A (fr)
KR (1) KR20000068950A (fr)
CN (1) CN1243621A (fr)
TW (1) TW424365B (fr)
WO (1) WO1999014866A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI408677B (zh) * 2005-04-04 2013-09-11 That Corp 信號品質估測及控制系統

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3881157B2 (ja) 2000-05-23 2007-02-14 株式会社エヌ・ティ・ティ・ドコモ 音声処理方法及び音声処理装置
CA2388439A1 (fr) * 2002-05-31 2003-11-30 Voiceage Corporation Methode et dispositif de dissimulation d'effacement de cadres dans des codecs de la parole a prevision lineaire
JP4730183B2 (ja) * 2006-04-17 2011-07-20 株式会社日立製作所 映像表示装置
CN101894565B (zh) * 2009-05-19 2013-03-20 华为技术有限公司 语音信号修复方法和装置
JP5703048B2 (ja) * 2011-02-04 2015-04-15 キヤノン株式会社 通信装置、通信装置の制御方法、およびプログラム
CN102568488B (zh) * 2012-02-23 2013-06-12 安徽创世科技有限公司 一种抑制网络丢包影响的语音数据后处理方法
WO2014202784A1 (fr) 2013-06-21 2014-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil et procédé pour un fondu au noir de signal amélioré pour des systèmes de codage audio commutés durant un masquage d'erreurs
JP6721977B2 (ja) * 2015-12-15 2020-07-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 音声音響信号符号化装置、音声音響信号復号装置、音声音響信号符号化方法、及び、音声音響信号復号方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3374109D1 (en) * 1983-10-28 1987-11-19 Ibm Method of recovering lost information in a digital speech transmission system, and transmission system using said method
US5036388A (en) * 1988-11-10 1991-07-30 U.S. Philips Corporation Apparatus including an improved device for recovering the d.c. component
EP0392126B1 (fr) * 1989-04-11 1994-07-20 International Business Machines Corporation Procédé pour la détermination rapide de la fréquence fondamentale pour des codeurs de parole avec prédiction à long terme
FR2654566A1 (fr) * 1989-11-14 1991-05-17 Philips Laboratoires Electroni Dispositif de decodage ameliore de signaux de television de type hd-mac.
US5550847A (en) * 1994-10-11 1996-08-27 Motorola, Inc. Device and method of signal loss recovery for realtime and/or interactive communications
JP3498964B2 (ja) * 1994-10-31 2004-02-23 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 簡単な誤り補正付きのディジタル伝送兼記録システム
US5708756A (en) * 1995-02-24 1998-01-13 Industrial Technology Research Institute Low delay, middle bit rate speech coder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI408677B (zh) * 2005-04-04 2013-09-11 That Corp 信號品質估測及控制系統

Also Published As

Publication number Publication date
CN1243621A (zh) 2000-02-02
WO1999014866A2 (fr) 1999-03-25
JP2001508268A (ja) 2001-06-19
WO1999014866A3 (fr) 1999-06-10
EP0938781A2 (fr) 1999-09-01
KR20000068950A (ko) 2000-11-25

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GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees