DE3568524D1 - Method of and device for correcting burst errors on low bit-rate coded speech signals transmitted on radio-communication channels - Google Patents

Method of and device for correcting burst errors on low bit-rate coded speech signals transmitted on radio-communication channels

Info

Publication number
DE3568524D1
DE3568524D1 DE8585113758T DE3568524T DE3568524D1 DE 3568524 D1 DE3568524 D1 DE 3568524D1 DE 8585113758 T DE8585113758 T DE 8585113758T DE 3568524 T DE3568524 T DE 3568524T DE 3568524 D1 DE3568524 D1 DE 3568524D1
Authority
DE
Germany
Prior art keywords
radio
signals transmitted
communication channels
low bit
speech signals
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.)
Expired
Application number
DE8585113758T
Other languages
English (en)
Inventor
Degan Neviano Dal
Fulvio Rusina
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.)
Telecom Italia SpA
Original Assignee
CSELT Centro Studi e Laboratori Telecomunicazioni SpA
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 CSELT Centro Studi e Laboratori Telecomunicazioni SpA filed Critical CSELT Centro Studi e Laboratori Telecomunicazioni SpA
Application granted granted Critical
Publication of DE3568524D1 publication Critical patent/DE3568524D1/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/04Speech 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
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/66Details 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
DE8585113758T 1984-10-30 1985-10-29 Method of and device for correcting burst errors on low bit-rate coded speech signals transmitted on radio-communication channels Expired DE3568524D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68078/84A IT1179803B (it) 1984-10-30 1984-10-30 Metodo e dispositivo per la correzione di errori causati da rumore di tipo impulsivo su segnali vocali codificati con bassa velocita di ci fra e trasmessi su canali di comunicazione radio

Publications (1)

Publication Number Publication Date
DE3568524D1 true DE3568524D1 (en) 1989-04-06

Family

ID=11307678

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8585113758T Expired DE3568524D1 (en) 1984-10-30 1985-10-29 Method of and device for correcting burst errors on low bit-rate coded speech signals transmitted on radio-communication channels
DE198585113758T Pending DE180202T1 (de) 1984-10-30 1985-10-29 Verfahren und einrichtung zur korrektur der burstfehler von mit niedriger bitrate kodierten sprachsignalen auf funkuebertragungskanaelen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198585113758T Pending DE180202T1 (de) 1984-10-30 1985-10-29 Verfahren und einrichtung zur korrektur der burstfehler von mit niedriger bitrate kodierten sprachsignalen auf funkuebertragungskanaelen.

Country Status (6)

Country Link
US (1) US4688224A (de)
EP (1) EP0180202B1 (de)
JP (1) JPS61108233A (de)
CA (1) CA1236169A (de)
DE (2) DE3568524D1 (de)
IT (1) IT1179803B (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4837827A (en) * 1984-06-29 1989-06-06 Siemens Aktiengesellschaft Method for transmitting two independent types of information and device for implementing the method
US4675863A (en) 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
JP2597987B2 (ja) * 1986-02-08 1997-04-09 ソニー株式会社 ブロツク化伝送信号のデコード装置
US4802171A (en) * 1987-06-04 1989-01-31 Motorola, Inc. Method for error correction in digitally encoded speech
US4831624A (en) * 1987-06-04 1989-05-16 Motorola, Inc. Error detection method for sub-band coding
JPH0211053A (ja) * 1988-03-30 1990-01-16 Internatl Business Mach Corp <Ibm> メッセージ処理方法
US5031218A (en) * 1988-03-30 1991-07-09 International Business Machines Corporation Redundant message processing and storage
US5105464A (en) * 1989-05-18 1992-04-14 General Electric Company Means for improving the speech quality in multi-pulse excited linear predictive coding
AU6174290A (en) * 1989-10-06 1991-04-28 Motorola, Inc. Error detection/correction scheme for vocoders
US5073940A (en) * 1989-11-24 1991-12-17 General Electric Company Method for protecting multi-pulse coders from fading and random pattern bit errors
US5097507A (en) * 1989-12-22 1992-03-17 General Electric Company Fading bit error protection for digital cellular multi-pulse speech coder
JP3102015B2 (ja) * 1990-05-28 2000-10-23 日本電気株式会社 音声復号化方法
EP1126437B1 (de) * 1991-06-11 2004-08-04 QUALCOMM Incorporated Vorrichtung und Methode zur Maskierung von Fehlern in Datenrahmen
DE4137609C2 (de) 1991-11-15 1998-04-16 Bosch Gmbh Robert Kombiniertes Sprach- und Kanaldecodierverfahren
EP0551705A3 (en) * 1992-01-15 1993-08-18 Ericsson Ge Mobile Communications Inc. Method for subbandcoding using synthetic filler signals for non transmitted subbands
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
US5271011A (en) * 1992-03-16 1993-12-14 Scientific-Atlanta, Inc. Digital audio data muting system and method
FI90477C (fi) * 1992-03-23 1994-02-10 Nokia Mobile Phones Ltd Puhesignaalin laadun parannusmenetelmä lineaarista ennustusta käyttävään koodausjärjestelmään
KR950002672B1 (ko) * 1992-04-11 1995-03-24 삼성전자주식회사 음성 데이타 보간회로
FI92125C (fi) * 1992-10-30 1994-09-26 Nokia Mobile Phones Ltd Radiopuhelinjärjestelmä
US5546383A (en) 1993-09-30 1996-08-13 Cooley; David M. Modularly clustered radiotelephone system
US5450449A (en) * 1994-03-14 1995-09-12 At&T Ipm Corp. Linear prediction coefficient generation during frame erasure or packet loss
FI97182C (fi) * 1994-12-05 1996-10-25 Nokia Telecommunications Oy Menetelmä vastaanotettujen huonojen puhekehysten korvaamiseksi digitaalisessa vastaanottimessa sekä digitaalisen tietoliikennejärjestelmän vastaanotin
US5710781A (en) * 1995-06-02 1998-01-20 Ericsson Inc. Enhanced fading and random pattern error protection for dynamic bit allocation sub-band coding
JP3198969B2 (ja) * 1997-03-28 2001-08-13 日本電気株式会社 デジタル音声無線伝送システム、デジタル音声無線送信装置およびデジタル音声無線受信再生装置
EP1177653A1 (de) * 2000-02-29 2002-02-06 Koninklijke Philips Electronics N.V. Verfahren zum detektieren und maskieren von verfälschten signalparametern in kodierter sprachkommunikation
US8578247B2 (en) * 2008-05-08 2013-11-05 Broadcom Corporation Bit error management methods for wireless audio communication channels
US8620660B2 (en) * 2010-10-29 2013-12-31 The United States Of America, As Represented By The Secretary Of The Navy Very low bit rate signal coder and decoder
US9154996B2 (en) 2013-06-12 2015-10-06 Honeywell International Inc. Apparatus and method for maintaining reliability of wireless network having asymmetric or other low quality wireless links
US9241281B2 (en) * 2013-06-12 2016-01-19 Honeywell International Inc. Apparatus and method for reporting of communication path quality within a wireless network
CN107918877B (zh) * 2016-10-08 2021-08-10 腾讯科技(深圳)有限公司 数据获取方法及装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2380612A1 (fr) * 1977-02-09 1978-09-08 Thomson Csf Dispositif de discrimination des signaux de parole et systeme d'alternat comportant un tel dispositif
US4184049A (en) * 1978-08-25 1980-01-15 Bell Telephone Laboratories, Incorporated Transform speech signal coding with pitch controlled adaptive quantizing
FR2451680A1 (fr) * 1979-03-12 1980-10-10 Soumagne Joel Discriminateur parole/silence pour interpolation de la parole
US4357491A (en) * 1980-09-16 1982-11-02 Northern Telecom Limited Method of and apparatus for detecting speech in a voice channel signal
US4531228A (en) * 1981-10-20 1985-07-23 Nissan Motor Company, Limited Speech recognition system for an automotive vehicle
JPS5876899A (ja) * 1981-10-31 1983-05-10 株式会社東芝 音声区間検出装置
GB2117608B (en) * 1982-02-17 1986-07-30 Gen Electric Co Plc Speech signal transmission system
JPS5938912A (ja) * 1982-08-27 1984-03-03 Nec Corp Pcmオ−デイオエラ−補正回路
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

Also Published As

Publication number Publication date
IT1179803B (it) 1987-09-16
JPS61108233A (ja) 1986-05-26
US4688224A (en) 1987-08-18
CA1236169A (en) 1988-05-03
DE180202T1 (de) 1987-05-21
IT8468078A0 (it) 1984-10-30
EP0180202B1 (de) 1989-03-01
EP0180202A3 (en) 1986-07-09
IT8468078A1 (it) 1986-04-30
EP0180202A2 (de) 1986-05-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee