JP2001508268A - 欠損部分の改善された再構成を伴う伝送システム - Google Patents

欠損部分の改善された再構成を伴う伝送システム

Info

Publication number
JP2001508268A
JP2001508268A JP51758599A JP51758599A JP2001508268A JP 2001508268 A JP2001508268 A JP 2001508268A JP 51758599 A JP51758599 A JP 51758599A JP 51758599 A JP51758599 A JP 51758599A JP 2001508268 A JP2001508268 A JP 2001508268A
Authority
JP
Japan
Prior art keywords
signal
transmission system
quality
node
received
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP51758599A
Other languages
English (en)
Japanese (ja)
Inventor
ユーハ ラペリ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
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 Philips Electronics NV filed Critical Philips Electronics NV
Publication of JP2001508268A publication Critical patent/JP2001508268A/ja
Pending legal-status Critical Current

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)
JP51758599A 1997-09-12 1998-08-17 欠損部分の改善された再構成を伴う伝送システム Pending JP2001508268A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97402129.7 1997-09-12
EP97402129 1997-09-12
PCT/IB1998/001262 WO1999014866A2 (en) 1997-09-12 1998-08-17 Transmission system with improved reconstruction of missing parts

Publications (1)

Publication Number Publication Date
JP2001508268A true JP2001508268A (ja) 2001-06-19

Family

ID=8229846

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51758599A Pending JP2001508268A (ja) 1997-09-12 1998-08-17 欠損部分の改善された再構成を伴う伝送システム

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012165141A (ja) * 2011-02-04 2012-08-30 Canon Inc 通信装置、通信装置の制御方法、およびプログラム

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 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for efficient frame erasure concealment in linear predictive based speech codecs
CA2602860A1 (en) * 2005-04-04 2006-10-12 That Corporation Signal quality estimation and control system
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
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 (en) 2013-06-21 2014-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for improved signal fade out for switched audio coding systems during error concealment
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 (de) * 1989-04-11 1994-07-20 International Business Machines Corporation Verfahren zur schnellen Bestimmung der Grundfrequenz in Sprachcodierern mit langfristiger Prädiktion
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
JP2012165141A (ja) * 2011-02-04 2012-08-30 Canon Inc 通信装置、通信装置の制御方法、およびプログラム

Also Published As

Publication number Publication date
TW424365B (en) 2001-03-01
CN1243621A (zh) 2000-02-02
WO1999014866A2 (en) 1999-03-25
WO1999014866A3 (en) 1999-06-10
EP0938781A2 (de) 1999-09-01
KR20000068950A (ko) 2000-11-25

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