CN100382479C - 掩蔽传输信道产生的差错的声码器数据设置的方法和系统 - Google Patents

掩蔽传输信道产生的差错的声码器数据设置的方法和系统 Download PDF

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Publication number
CN100382479C
CN100382479C CNB001241869A CN00124186A CN100382479C CN 100382479 C CN100382479 C CN 100382479C CN B001241869 A CNB001241869 A CN B001241869A CN 00124186 A CN00124186 A CN 00124186A CN 100382479 C CN100382479 C CN 100382479C
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data
supplemental characteristic
frame
packet
vocoder
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Expired - Lifetime
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Chinese (zh)
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CN1290085A (zh
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威廉·R·加德纳
保罗·E·雅各布斯
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Qualcomm Inc
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Qualcomm Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/005Correction of errors induced by the transmission channel, if related to the coding algorithm
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/07Line spectrum pair [LSP] vocoders
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/35Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • 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
    • H04B1/665Details 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 using psychoacoustic properties of the ear, e.g. masking effect
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0078Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083Formatting with frames or packets; Protocol or part of protocol for error control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0078Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0086Unequal error protection

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Communication Control (AREA)
  • Superheterodyne Receivers (AREA)
  • Detection And Correction Of Errors (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
CNB001241869A 1992-01-28 1993-01-27 掩蔽传输信道产生的差错的声码器数据设置的方法和系统 Expired - Lifetime CN100382479C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82670192A 1992-01-28 1992-01-28
US07/826,701 1992-01-28

Related Parent Applications (1)

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CN93102375A Division CN1072867C (zh) 1992-01-28 1993-01-27 用于掩蔽传输信道产生的差错的声码器数据设置的方法和系统

Publications (2)

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CN1290085A CN1290085A (zh) 2001-04-04
CN100382479C true CN100382479C (zh) 2008-04-16

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CN93102375A Expired - Lifetime CN1072867C (zh) 1992-01-28 1993-01-27 用于掩蔽传输信道产生的差错的声码器数据设置的方法和系统
CNB001241869A Expired - Lifetime CN100382479C (zh) 1992-01-28 1993-01-27 掩蔽传输信道产生的差错的声码器数据设置的方法和系统

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CN93102375A Expired - Lifetime CN1072867C (zh) 1992-01-28 1993-01-27 用于掩蔽传输信道产生的差错的声码器数据设置的方法和系统

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US (1) US5600754A (US20020051482A1-20020502-M00012.png)
EP (1) EP0624275B2 (US20020051482A1-20020502-M00012.png)
JP (1) JP3604689B2 (US20020051482A1-20020502-M00012.png)
KR (1) KR0168900B1 (US20020051482A1-20020502-M00012.png)
CN (2) CN1072867C (US20020051482A1-20020502-M00012.png)
AT (1) ATE180091T1 (US20020051482A1-20020502-M00012.png)
AU (1) AU678962B2 (US20020051482A1-20020502-M00012.png)
BR (1) BR9305808A (US20020051482A1-20020502-M00012.png)
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FI (1) FI118103B (US20020051482A1-20020502-M00012.png)
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HK (2) HK1011110A1 (US20020051482A1-20020502-M00012.png)
IL (1) IL104500A (US20020051482A1-20020502-M00012.png)
MX (1) MX9300442A (US20020051482A1-20020502-M00012.png)
NO (1) NO942751D0 (US20020051482A1-20020502-M00012.png)
PL (1) PL172397B1 (US20020051482A1-20020502-M00012.png)
TW (1) TW224191B (US20020051482A1-20020502-M00012.png)
WO (1) WO1993015502A1 (US20020051482A1-20020502-M00012.png)
ZA (1) ZA93450B (US20020051482A1-20020502-M00012.png)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3003839B2 (ja) * 1993-11-08 2000-01-31 エヌ・ティ・ティ移動通信網株式会社 Cdma通信方法および装置
US5784532A (en) * 1994-02-16 1998-07-21 Qualcomm Incorporated Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system
US5751739A (en) * 1994-04-29 1998-05-12 Lucent Technologies, Inc. Methods of and devices for enhancing communications that use spread spectrum technology
GB2290201B (en) * 1994-06-09 1998-03-04 Motorola Ltd Communications system
US5704001A (en) * 1994-08-04 1997-12-30 Qualcomm Incorporated Sensitivity weighted vector quantization of line spectral pair frequencies
US6334219B1 (en) 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
FR2729247A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
FR2729246A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
FR2729244B1 (fr) * 1995-01-06 1997-03-28 Matra Communication Procede de codage de parole a analyse par synthese
USRE42236E1 (en) 1995-02-06 2011-03-22 Adc Telecommunications, Inc. Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
FI950917A (fi) * 1995-02-28 1996-08-29 Nokia Telecommunications Oy Puhekoodausparametrien käsittely tietoliikennejärjestelmässä
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US5754734A (en) * 1995-10-31 1998-05-19 Motorola, Inc. Method of transmitting voice coding information using cyclic redundancy check bits
FI103456B (fi) * 1996-03-29 1999-06-30 Nokia Telecommunications Oy Puheen siirto pakettiverkossa
US5920581A (en) * 1996-05-31 1999-07-06 Vtech Communications, Ltd. Error detection method and apparatus for digital communication data packets
US6014622A (en) * 1996-09-26 2000-01-11 Rockwell Semiconductor Systems, Inc. Low bit rate speech coder using adaptive open-loop subframe pitch lag estimation and vector quantization
KR100199959B1 (ko) * 1996-10-14 1999-06-15 김영환 시디엠에이 이동통신 시스템의 패리티 검사장치 및 그 방법
KR100198476B1 (ko) * 1997-04-23 1999-06-15 윤종용 노이즈에 견고한 스펙트럼 포락선 양자화기 및 양자화 방법
IL120788A (en) * 1997-05-06 2000-07-16 Audiocodes Ltd Systems and methods for encoding and decoding speech for lossy transmission networks
AU7655298A (en) * 1997-07-02 1999-01-25 Alcatel Alsthom Compagnie Generale D'electricite Device for transmitting a coded adpcm voice signal
GB2328125B (en) 1997-08-08 2002-04-10 Ericsson Telefon Ab L M Network control system
US5872774A (en) * 1997-09-19 1999-02-16 Qualcomm Incorporated Mobile station assisted timing synchronization in a CDMA communication system
US6188980B1 (en) 1998-08-24 2001-02-13 Conexant Systems, Inc. Synchronized encoder-decoder frame concealment using speech coding parameters including line spectral frequencies and filter coefficients
US6169759B1 (en) * 1999-03-22 2001-01-02 Golden Bridge Technology Common packet channel
US6606341B1 (en) 1999-03-22 2003-08-12 Golden Bridge Technology, Inc. Common packet channel with firm handoff
JP2000305599A (ja) 1999-04-22 2000-11-02 Sony Corp 音声合成装置及び方法、電話装置並びにプログラム提供媒体
GB9910002D0 (en) * 1999-05-01 1999-06-30 King S College London Audio signal encoders and decoders
US6226283B1 (en) * 1999-05-13 2001-05-01 Motorola, Inc. Method and selector for performing selection in a communication system
US6259744B1 (en) * 1999-06-01 2001-07-10 Motorola, Inc. Method and apparatus for mapping bits to an information burst
JP3613448B2 (ja) * 1999-06-21 2005-01-26 株式会社エヌ・ティ・ティ・ドコモ データ伝送方法、データ伝送システム、送信装置および受信装置
US6658112B1 (en) 1999-08-06 2003-12-02 General Dynamics Decision Systems, Inc. Voice decoder and method for detecting channel errors using spectral energy evolution
EP1089439A1 (en) * 1999-09-28 2001-04-04 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Interleaver and method for interleaving an input data bit sequence using a coded storing of symbol and additional information
US6745024B1 (en) 2000-01-10 2004-06-01 Qualcomm Incorporated System and method for preparing and sending an electronic mail communication using a wireless communications device
KR20020079790A (ko) 2000-01-20 2002-10-19 노오텔 네트웍스 리미티드 가변 레이트 패킷 데이타 애플리케이션에서 소프트 결합을 사용하는 하이브리드 arq 방법
DE10031803C2 (de) * 2000-07-04 2002-09-19 Bosch Gmbh Robert Verfahren zur Übertragung von digitalen Daten mittels Rundfunksignalen im orthogonalen Frequenzmultiplex(OFDM)
US6807312B2 (en) * 2001-07-13 2004-10-19 Sharp Laboratories Of America, Inc. Robust codebooks for vector quantization
JP3463752B2 (ja) 2001-07-25 2003-11-05 三菱電機株式会社 音響符号化装置、音響復号化装置、音響符号化方法および音響復号化方法
JP3469567B2 (ja) * 2001-09-03 2003-11-25 三菱電機株式会社 音響符号化装置、音響復号化装置、音響符号化方法及び音響復号化方法
US6671518B2 (en) * 2001-11-19 2003-12-30 Motorola, Inc. Method and apparatus for transmitting voice information
US7164672B1 (en) * 2002-03-29 2007-01-16 At&T Corp. Method and apparatus for QoS improvement with packet voice transmission over wireless LANs
US20040225500A1 (en) * 2002-09-25 2004-11-11 William Gardner Data communication through acoustic channels and compression
DE602006010687D1 (de) * 2005-05-13 2010-01-07 Panasonic Corp Audiocodierungsvorrichtung und spektrum-modifikationsverfahren
US7395202B2 (en) * 2005-06-09 2008-07-01 Motorola, Inc. Method and apparatus to facilitate vocoder erasure processing
CN101283249B (zh) * 2005-10-05 2013-12-04 Lg电子株式会社 信号处理的方法和装置以及编码和解码方法及其装置
PL3011557T3 (pl) 2013-06-21 2017-10-31 Fraunhofer Ges Forschung Urządzenie i sposób do udoskonalonego stopniowego zmniejszania sygnału w przełączanych układach kodowania sygnału audio podczas ukrywania błędów
US9542955B2 (en) * 2014-03-31 2017-01-10 Qualcomm Incorporated High-band signal coding using multiple sub-bands
CN106486129B (zh) * 2014-06-27 2019-10-25 华为技术有限公司 一种音频编码方法和装置
EP2980799A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an audio signal using a harmonic post-filter
US11063645B2 (en) 2018-12-18 2021-07-13 XCOM Labs, Inc. Methods of wirelessly communicating with a group of devices
US10756795B2 (en) 2018-12-18 2020-08-25 XCOM Labs, Inc. User equipment with cellular link and peer-to-peer link
US11330649B2 (en) 2019-01-25 2022-05-10 XCOM Labs, Inc. Methods and systems of multi-link peer-to-peer communications
US10756767B1 (en) 2019-02-05 2020-08-25 XCOM Labs, Inc. User equipment for wirelessly communicating cellular signal with another user equipment
CN110136735B (zh) * 2019-05-13 2021-09-28 腾讯音乐娱乐科技(深圳)有限公司 一种音频修复方法、设备及可读存储介质
WO2020250371A1 (ja) * 2019-06-13 2020-12-17 日本電信電話株式会社 音信号符号化送信方法、音信号符号化方法、音信号送信側装置、符号化装置、プログラム及び記録媒体

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4852179A (en) * 1987-10-05 1989-07-25 Motorola, Inc. Variable frame rate, fixed bit rate vocoding method
US4903301A (en) * 1987-02-27 1990-02-20 Hitachi, Ltd. Method and system for transmitting variable rate speech signal
US5068899A (en) * 1985-04-03 1991-11-26 Northern Telecom Limited Transmission of wideband speech signals

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100377A (en) * 1977-04-28 1978-07-11 Bell Telephone Laboratories, Incorporated Packet transmission of speech
US4617676A (en) * 1984-09-04 1986-10-14 At&T Bell Laboratories Predictive communication system filtering arrangement
US4665514A (en) * 1985-08-02 1987-05-12 American Telephone And Telegraph Company, At&T Bell Laboratories Integrated voice/data network
US4726037A (en) * 1986-03-26 1988-02-16 American Telephone And Telegraph Company, At&T Bell Laboratories Predictive communication system filtering arrangement
US4922537A (en) * 1987-06-02 1990-05-01 Frederiksen & Shu Laboratories, Inc. Method and apparatus employing audio frequency offset extraction and floating-point conversion for digitally encoding and decoding high-fidelity audio signals
FR2621436B1 (fr) * 1987-10-02 1990-01-19 Matra Communication Procede et installation de transmission numerique de parole entre mobiles
JP3102015B2 (ja) * 1990-05-28 2000-10-23 日本電気株式会社 音声復号化方法
EP0588932B1 (en) * 1991-06-11 2001-11-14 QUALCOMM Incorporated Variable rate vocoder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5068899A (en) * 1985-04-03 1991-11-26 Northern Telecom Limited Transmission of wideband speech signals
US4903301A (en) * 1987-02-27 1990-02-20 Hitachi, Ltd. Method and system for transmitting variable rate speech signal
US4852179A (en) * 1987-10-05 1989-07-25 Motorola, Inc. Variable frame rate, fixed bit rate vocoding method

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Publication number Publication date
IL104500A (en) 1996-06-18
CA2128708C (en) 1998-07-14
JPH07506439A (ja) 1995-07-13
PL172397B1 (pl) 1997-09-30
EP0624275B1 (en) 1999-05-12
CN1081037A (zh) 1994-01-19
ES2131576T3 (es) 1999-08-01
ES2131576T5 (es) 2006-02-01
PL305984A1 (en) 1995-02-20
KR0168900B1 (ko) 1999-03-20
FI118103B (fi) 2007-06-29
NO942751D0 (no) 1994-07-22
DK0624275T3 (da) 1999-11-15
DE69324906T3 (de) 2006-08-10
CN1072867C (zh) 2001-10-10
US5600754A (en) 1997-02-04
FI943538A0 (fi) 1994-07-27
EP0624275B2 (en) 2005-08-31
BR9305808A (pt) 1997-02-18
IL104500A0 (en) 1993-05-13
TW224191B (US20020051482A1-20020502-M00012.png) 1994-05-21
DE69324906T2 (de) 1999-12-02
ATE180091T1 (de) 1999-05-15
DK0624275T4 (da) 2005-10-31
EP0624275A4 (en) 1995-01-25
AU678962B2 (en) 1997-06-19
DE69324906D1 (de) 1999-06-17
GR3030910T3 (en) 1999-11-30
HK1035976A1 (en) 2001-12-14
AU3593993A (en) 1993-09-01
CN1290085A (zh) 2001-04-04
ZA93450B (en) 1993-12-28
JP3604689B2 (ja) 2004-12-22
EP0624275A1 (en) 1994-11-17
HK1011110A1 (en) 1999-07-02
WO1993015502A1 (en) 1993-08-05
CA2128708A1 (en) 1993-08-05
MX9300442A (es) 1994-07-29
FI943538A (fi) 1994-09-27

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