HK1040336B - Audio coder utilising repeated transmission of packet portion - Google Patents

Audio coder utilising repeated transmission of packet portion Download PDF

Info

Publication number
HK1040336B
HK1040336B HK02100153.1A HK02100153A HK1040336B HK 1040336 B HK1040336 B HK 1040336B HK 02100153 A HK02100153 A HK 02100153A HK 1040336 B HK1040336 B HK 1040336B
Authority
HK
Hong Kong
Prior art keywords
data
sub
respect
signal
output
Prior art date
Application number
HK02100153.1A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1040336A1 (en
Inventor
Rory Stewart Turnbull
Andrew Gordon Davis
Original Assignee
British Telecommunications Public Limited Company
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 British Telecommunications Public Limited Company filed Critical British Telecommunications Public Limited Company
Publication of HK1040336A1 publication Critical patent/HK1040336A1/en
Publication of HK1040336B publication Critical patent/HK1040336B/en

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
    • G10L19/005—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
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computational Linguistics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmitters (AREA)
  • Electrophonic Musical Instruments (AREA)
HK02100153.1A 1998-09-22 1999-09-14 Audio coder utilising repeated transmission of packet portion HK1040336B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9820655.0 1998-09-22
GBGB9820655.0A GB9820655D0 (en) 1998-09-22 1998-09-22 Packet transmission
PCT/GB1999/003043 WO2000018057A1 (en) 1998-09-22 1999-09-14 Audio coder utilising repeated transmission of packet portion

Publications (2)

Publication Number Publication Date
HK1040336A1 HK1040336A1 (en) 2002-05-31
HK1040336B true HK1040336B (en) 2006-08-11

Family

ID=10839284

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02100153.1A HK1040336B (en) 1998-09-22 1999-09-14 Audio coder utilising repeated transmission of packet portion

Country Status (12)

Country Link
US (1) US6957182B1 (enExample)
EP (1) EP1116354B1 (enExample)
JP (1) JP4447782B2 (enExample)
CN (1) CN1144411C (enExample)
AT (1) ATE311703T1 (enExample)
AU (1) AU751077B2 (enExample)
CA (1) CA2344259C (enExample)
DE (1) DE69928682T2 (enExample)
ES (1) ES2253912T3 (enExample)
GB (1) GB9820655D0 (enExample)
HK (1) HK1040336B (enExample)
WO (1) WO2000018057A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6757654B1 (en) * 2000-05-11 2004-06-29 Telefonaktiebolaget Lm Ericsson Forward error correction in speech coding
JP4016709B2 (ja) 2002-04-26 2007-12-05 日本電気株式会社 オーディオデータの符号変換伝送方法と符号変換受信方法及び装置とシステムならびにプログラム
US20040064308A1 (en) * 2002-09-30 2004-04-01 Intel Corporation Method and apparatus for speech packet loss recovery
US8209168B2 (en) 2004-06-02 2012-06-26 Panasonic Corporation Stereo decoder that conceals a lost frame in one channel using data from another channel
US7706415B2 (en) * 2004-07-29 2010-04-27 Microsoft Corporation Packet multiplexing multi-channel audio
CN1938759A (zh) * 2004-12-22 2007-03-28 松下电器产业株式会社 Mpeg音频解码方法
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
EP1933304A4 (en) * 2005-10-14 2011-03-16 Panasonic Corp SCALABLE CODING ARRANGEMENT, SCALABLE DECODING ARRANGEMENT AND METHOD THEREFOR
WO2009010674A1 (fr) * 2007-07-06 2009-01-22 France Telecom Codage hierarchique de signaux audionumeriques
DE102010005702A1 (de) * 2010-01-26 2011-07-28 Fachhochschule Kaiserslautern, 67657 Codieren und Decodieren von Daten zur Übertragung über einen fehlerhaften Übertragungskanal

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2681727B1 (fr) 1991-09-20 1993-11-05 Thomson Tubes Electroniques Tube intensificateur d'image a correction de brillance.
US5384793A (en) * 1992-01-28 1995-01-24 Ericsson Ge Mobile Communications Inc. Fading and random pattern error protection method for dynamic bit allocation sub-band coding
KR100283595B1 (ko) * 1993-08-26 2001-03-02 스타우트 도날드 이 기술정보전송시스템 및 동작방법
US5692102A (en) * 1995-10-26 1997-11-25 Motorola, Inc. Method device and system for an efficient noise injection process for low bitrate audio compression
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
JP2907104B2 (ja) * 1996-03-27 1999-06-21 日本電気株式会社 時間ダイバーシティ通信方法及び通信装置
JP3622365B2 (ja) * 1996-09-26 2005-02-23 ヤマハ株式会社 音声符号化伝送方式
EP0861001B1 (en) * 1997-02-07 2012-05-23 Texas Instruments Incorporated Error resilient video encoding

Also Published As

Publication number Publication date
US6957182B1 (en) 2005-10-18
AU5874599A (en) 2000-04-10
HK1040336A1 (en) 2002-05-31
AU751077B2 (en) 2002-08-08
CA2344259C (en) 2011-06-21
DE69928682T2 (de) 2006-07-20
EP1116354A1 (en) 2001-07-18
ATE311703T1 (de) 2005-12-15
DE69928682D1 (de) 2006-01-05
GB9820655D0 (en) 1998-11-18
JP2002525693A (ja) 2002-08-13
JP4447782B2 (ja) 2010-04-07
ES2253912T3 (es) 2006-06-01
EP1116354B1 (en) 2005-11-30
CA2344259A1 (en) 2000-03-30
CN1319292A (zh) 2001-10-24
CN1144411C (zh) 2004-03-31
WO2000018057A1 (en) 2000-03-30

Similar Documents

Publication Publication Date Title
EP0145332B1 (en) Digital audio transmission
US4831624A (en) Error detection method for sub-band coding
EP0918407B1 (en) Scalable stereo audio encoding/decoding method and apparatus
US6438525B1 (en) Scalable audio coding/decoding method and apparatus
US6349284B1 (en) Scalable audio encoding/decoding method and apparatus
US5649052A (en) Adaptive digital audio encoding system
EP0433015A2 (en) Variable bit rate coding system
US5842160A (en) Method for improving the voice quality in low-rate dynamic bit allocation sub-band coding
US6011496A (en) Digital data coding/decoding method and apparatus
JPH04127747A (ja) 可変レート符号化方式
JPS6027459B2 (ja) 信号を量子化する方法
WO1985000686A1 (en) Apparatus and methods for coding, decoding, analyzing and synthesizing a signal
EP1116354B1 (en) Audio coder utilising repeated transmission of packet portion
EP0869620A2 (en) Digital data coding/decoding method and apparatus
JP4287545B2 (ja) サブバンド符号化方式
JPH06216782A (ja) 符号化方法、符号化装置、復号化装置及び記録媒体
JP3987317B2 (ja) ワイヤレス通信システムにおける送信のために信号を処理する方法および装置
Boddie et al. Digital signal processor: Adaptive differential pulse-code-modulation coding
JPS59129900A (ja) 帯域分割符号化方式
EP1553704A2 (en) Digital data coding/decoding method and apparatus
JPS59127440A (ja) 帯域分割適応ビツト割当て予測符号化方式

Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20190913