FI97182C - Menetelmä vastaanotettujen huonojen puhekehysten korvaamiseksi digitaalisessa vastaanottimessa sekä digitaalisen tietoliikennejärjestelmän vastaanotin - Google Patents

Menetelmä vastaanotettujen huonojen puhekehysten korvaamiseksi digitaalisessa vastaanottimessa sekä digitaalisen tietoliikennejärjestelmän vastaanotin

Info

Publication number
FI97182C
FI97182C FI945735A FI945735A FI97182C FI 97182 C FI97182 C FI 97182C FI 945735 A FI945735 A FI 945735A FI 945735 A FI945735 A FI 945735A FI 97182 C FI97182 C FI 97182C
Authority
FI
Finland
Prior art keywords
receiver
pct
digital
noise signal
procedure
Prior art date
Application number
FI945735A
Other languages
English (en)
Swedish (sv)
Other versions
FI945735A0 (fi
FI97182B (fi
Inventor
Kari Jaervinen
Janne Vainio
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of FI945735A0 publication Critical patent/FI945735A0/fi
Priority to FI945735A priority Critical patent/FI97182C/fi
Priority to DE69532969T priority patent/DE69532969D1/de
Priority to US08/849,361 priority patent/US6144936A/en
Priority to PCT/FI1995/000667 priority patent/WO1996018251A1/en
Priority to JP8517344A priority patent/JPH10509854A/ja
Priority to AT95939299T priority patent/ATE265760T1/de
Priority to EP95939299A priority patent/EP0801857B1/en
Priority to CN95196617A priority patent/CN1168751A/zh
Priority to AU41181/96A priority patent/AU700531B2/en
Publication of FI97182B publication Critical patent/FI97182B/fi
Application granted granted Critical
Publication of FI97182C publication Critical patent/FI97182C/fi
Priority to NO972541A priority patent/NO972541L/no

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
    • G10L19/012—Comfort noise or silence coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present
    • H03G3/341—Muting when no signals or only weak signals are present
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Communication Control (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Circuits Of Receivers In General (AREA)
  • Telephone Function (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FI945735A 1994-12-05 1994-12-05 Menetelmä vastaanotettujen huonojen puhekehysten korvaamiseksi digitaalisessa vastaanottimessa sekä digitaalisen tietoliikennejärjestelmän vastaanotin FI97182C (fi)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FI945735A FI97182C (fi) 1994-12-05 1994-12-05 Menetelmä vastaanotettujen huonojen puhekehysten korvaamiseksi digitaalisessa vastaanottimessa sekä digitaalisen tietoliikennejärjestelmän vastaanotin
JP8517344A JPH10509854A (ja) 1994-12-05 1995-12-05 デジタル通信システムにおいて不良スピーチフレームを置き換える方法
US08/849,361 US6144936A (en) 1994-12-05 1995-12-05 Method for substituting bad speech frames in a digital communication system
PCT/FI1995/000667 WO1996018251A1 (en) 1994-12-05 1995-12-05 Method for substituting bad speech frames in a digital communication system
DE69532969T DE69532969D1 (de) 1994-12-05 1995-12-05 Verfahren zum ersetzen von sprachrahmen schlechter qualität in einer digitalen kommunikationsanordnung
AT95939299T ATE265760T1 (de) 1994-12-05 1995-12-05 Verfahren zum ersetzen von sprachrahmen schlechter qualität in einer digitalen kommunikationsanordnung
EP95939299A EP0801857B1 (en) 1994-12-05 1995-12-05 Method for substituting bad speech frames in a digital communication system
CN95196617A CN1168751A (zh) 1994-12-05 1995-12-05 数字通信系统中替代不良语音帧的方法
AU41181/96A AU700531B2 (en) 1994-12-05 1995-12-05 Method for substituting bad speech frames in a digital communication system
NO972541A NO972541L (no) 1994-12-05 1997-06-04 Fremgangsmåte for å erstatte dårlige taledatagrupper i et digitalt kommunikasjonssystem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI945735 1994-12-05
FI945735A FI97182C (fi) 1994-12-05 1994-12-05 Menetelmä vastaanotettujen huonojen puhekehysten korvaamiseksi digitaalisessa vastaanottimessa sekä digitaalisen tietoliikennejärjestelmän vastaanotin

Publications (3)

Publication Number Publication Date
FI945735A0 FI945735A0 (fi) 1994-12-05
FI97182B FI97182B (fi) 1996-07-15
FI97182C true FI97182C (fi) 1996-10-25

Family

ID=8541929

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945735A FI97182C (fi) 1994-12-05 1994-12-05 Menetelmä vastaanotettujen huonojen puhekehysten korvaamiseksi digitaalisessa vastaanottimessa sekä digitaalisen tietoliikennejärjestelmän vastaanotin

Country Status (10)

Country Link
US (1) US6144936A (fi)
EP (1) EP0801857B1 (fi)
JP (1) JPH10509854A (fi)
CN (1) CN1168751A (fi)
AT (1) ATE265760T1 (fi)
AU (1) AU700531B2 (fi)
DE (1) DE69532969D1 (fi)
FI (1) FI97182C (fi)
NO (1) NO972541L (fi)
WO (1) WO1996018251A1 (fi)

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DE69633164T2 (de) * 1995-05-22 2005-08-11 Ntt Mobile Communications Network Inc. Tondekoder
FI113600B (fi) * 1996-09-17 2004-05-14 Nokia Corp Signalointi digitaalisessa matkaviestinjärjestelmässä
US7788092B2 (en) 1996-09-25 2010-08-31 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
CA2265640A1 (en) 1996-09-25 1998-04-02 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
US6205130B1 (en) 1996-09-25 2001-03-20 Qualcomm Incorporated Method and apparatus for detecting bad data packets received by a mobile telephone using decoded speech parameters
CN1126076C (zh) * 1998-05-27 2003-10-29 Ntt移动通信网株式会社 语音译码器和语音译码方法
FR2796785A1 (fr) * 1999-07-20 2001-01-26 Koninkl Philips Electronics Nv Systeme de communication, recepteur, dispositif et procede de correction d'erreurs dues au canal
CN100438492C (zh) * 2003-09-30 2008-11-26 美国博通公司 用于IEEE802.11g接收器的分类器
JP4097219B2 (ja) * 2004-10-25 2008-06-11 本田技研工業株式会社 音声認識装置及びその搭載車両
RU2386179C2 (ru) * 2005-04-01 2010-04-10 Квэлкомм Инкорпорейтед Способ и устройство для кодирования речевых сигналов с расщеплением полосы
TWI324336B (en) 2005-04-22 2010-05-01 Qualcomm Inc Method of signal processing and apparatus for gain factor smoothing
WO2007072819A1 (ja) * 2005-12-21 2007-06-28 Nec Corporation 符号変換装置及びそれに用いる符号変換方法並びにそのプログラム
CN100578618C (zh) * 2006-12-04 2010-01-06 华为技术有限公司 一种解码方法及装置
CN101226744B (zh) * 2007-01-19 2011-04-13 华为技术有限公司 语音解码器中实现语音解码的方法及装置
US8165224B2 (en) * 2007-03-22 2012-04-24 Research In Motion Limited Device and method for improved lost frame concealment
CN102760441B (zh) * 2007-06-05 2014-03-12 华为技术有限公司 一种背景噪声编码/解码装置、方法和通信设备
CN101320563B (zh) * 2007-06-05 2012-06-27 华为技术有限公司 一种背景噪声编码/解码装置、方法和通信设备
US7827030B2 (en) * 2007-06-15 2010-11-02 Microsoft Corporation Error management in an audio processing system
DE102007029660B4 (de) * 2007-06-27 2011-06-01 Vega Grieshaber Kg Adaptiver Fehlerzähler für ein drahtloses Feldgerät
US20090048827A1 (en) * 2007-08-17 2009-02-19 Manoj Kumar Method and system for audio frame estimation
WO2009152124A1 (en) * 2008-06-10 2009-12-17 Dolby Laboratories Licensing Corporation Concealing audio artifacts
JP2011045013A (ja) * 2009-08-24 2011-03-03 Renesas Electronics Corp 音声信号処理装置、ｆｍ受信装置、及び音声データの処理方法
EP2582058B1 (en) * 2011-10-10 2016-03-30 ST-Ericsson SA Interference mitigating method
CN103489448A (zh) * 2013-09-03 2014-01-01 广州日滨科技发展有限公司 语音数据处理方法及系统
CN106463122B (zh) 2014-06-13 2020-01-31 瑞典爱立信有限公司 突发帧错误处理
US20160125891A1 (en) * 2014-10-31 2016-05-05 Intel Corporation Environment-based complexity reduction for audio processing

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Publication number Priority date Publication date Assignee Title
US581477A (en) * 1897-04-27 John w
IT1179803B (it) * 1984-10-30 1987-09-16 Cselt Centro Studi Lab Telecom 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
JPH02288520A (ja) * 1989-04-28 1990-11-28 Hitachi Ltd 背景音再生機能付き音声符号復号方式
US5293449A (en) * 1990-11-23 1994-03-08 Comsat Corporation Analysis-by-synthesis 2,4 kbps linear predictive speech codec
US5537509A (en) * 1990-12-06 1996-07-16 Hughes Electronics Comfort noise generation for digital communication systems
ATE130985T1 (de) * 1991-02-22 1995-12-15 Robert H Koenig Funktionsüberwachungssystem und verfahren eines funkempfängers.
US5333153A (en) * 1992-01-21 1994-07-26 Motorola, Inc. Signal quality detection method and apparatus for optimum audio muting
WO1993015559A1 (en) * 1992-02-03 1993-08-05 Motorola, Inc. Bit error rate controlled squelch
US5309443A (en) * 1992-06-04 1994-05-03 Motorola, Inc. Dynamic muting method for ADPCM coded speech
US5255343A (en) * 1992-06-26 1993-10-19 Northern Telecom Limited Method for detecting and masking bad frames in coded speech signals
US5420904A (en) * 1992-07-21 1995-05-30 Gulick; Dale E. Signal averager
CA2137459A1 (en) * 1993-05-04 1994-11-10 Stephen V. Cahill Apparatus and method for substantially eliminating noise in an audible output signal
FI94810C (fi) * 1993-10-11 1995-10-25 Nokia Mobile Phones Ltd Menetelmä huonon GSM-puhekehyksen tunnistamiseksi

Also Published As

Publication number Publication date
AU4118196A (en) 1996-06-26
EP0801857A1 (en) 1997-10-22
JPH10509854A (ja) 1998-09-22
ATE265760T1 (de) 2004-05-15
DE69532969D1 (de) 2004-06-03
AU700531B2 (en) 1999-01-07
NO972541L (no) 1997-08-04
NO972541D0 (no) 1997-06-04
FI945735A0 (fi) 1994-12-05
US6144936A (en) 2000-11-07
FI97182B (fi) 1996-07-15
WO1996018251A1 (en) 1996-06-13
EP0801857B1 (en) 2004-04-28
CN1168751A (zh) 1997-12-24

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