DE60026911D1 - Verfahren zur Dekodierung eines Audiosignals mit Fehlerverschleierung der Übertragungsfehler - Google Patents

Verfahren zur Dekodierung eines Audiosignals mit Fehlerverschleierung der Übertragungsfehler

Info

Publication number
DE60026911D1
DE60026911D1 DE60026911T DE60026911T DE60026911D1 DE 60026911 D1 DE60026911 D1 DE 60026911D1 DE 60026911 T DE60026911 T DE 60026911T DE 60026911 T DE60026911 T DE 60026911T DE 60026911 D1 DE60026911 D1 DE 60026911D1
Authority
DE
Germany
Prior art keywords
decoding
audio signal
error concealment
transmission errors
errors
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 - Lifetime
Application number
DE60026911T
Other languages
English (en)
Other versions
DE60026911T2 (de
Inventor
Daisuke Okuno
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE60026911D1 publication Critical patent/DE60026911D1/de
Application granted granted Critical
Publication of DE60026911T2 publication Critical patent/DE60026911T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0079—Formats for control data
    • H04L1/0082—Formats for control data fields explicitly indicating existence of error in data being transmitted, e.g. so that downstream stations can avoid decoding erroneous packet; relays
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Power Engineering (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE60026911T 1999-08-05 2000-07-27 Verfahren zur Dekodierung eines Audiosignals mit Fehlerverschleierung der Übertragungsfehler Expired - Lifetime DE60026911T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22219699A JP4449108B2 (ja) 1999-08-05 1999-08-05 音声復号装置
JP22219699 1999-08-05

Publications (2)

Publication Number Publication Date
DE60026911D1 true DE60026911D1 (de) 2006-05-18
DE60026911T2 DE60026911T2 (de) 2006-08-31

Family

ID=16778660

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60026911T Expired - Lifetime DE60026911T2 (de) 1999-08-05 2000-07-27 Verfahren zur Dekodierung eines Audiosignals mit Fehlerverschleierung der Übertragungsfehler

Country Status (5)

Country Link
US (1) US6751586B1 (de)
EP (1) EP1074975B1 (de)
JP (1) JP4449108B2 (de)
CN (1) CN1164050C (de)
DE (1) DE60026911T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003003235A1 (en) 2001-06-27 2003-01-09 4 Media, Inc. Improved media delivery platform
JP2006145712A (ja) * 2004-11-18 2006-06-08 Pioneer Electronic Corp オーディオデータ補間装置
JP5584157B2 (ja) * 2011-03-22 2014-09-03 株式会社タムラ製作所 無線受信機
US9009561B2 (en) * 2012-08-01 2015-04-14 Nvidia Corporation System and method for detecting errors in audio data
US8938661B2 (en) 2012-08-01 2015-01-20 Nvidia Corporation System and method for detecting errors in audio data
CN103065641B (zh) * 2013-02-01 2014-12-10 飞天诚信科技股份有限公司 一种解析音频数据的方法
KR102192999B1 (ko) * 2016-03-07 2020-12-18 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 적절히 디코딩된 오디오 프레임의 디코딩된 표현의 특성을 사용하는 에러 은닉 유닛, 오디오 디코더, 및 관련 방법과 컴퓨터 프로그램

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS602812B2 (ja) * 1976-10-25 1985-01-24 日本電気株式会社 誤まり訂正符号デ−タの復号器
SE433998B (sv) * 1977-10-11 1984-06-25 Carl Erik Wilhelm Sundberg Anordning vid signalmottagare for att kompensera digitala fel i overford digital signal
JPS59153346A (ja) * 1983-02-21 1984-09-01 Nec Corp 音声符号化・復号化装置
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
JP2538111B2 (ja) * 1990-08-20 1996-09-25 松下電器産業株式会社 音声復号化装置
US5226084A (en) * 1990-12-05 1993-07-06 Digital Voice Systems, Inc. Methods for speech quantization and error correction
DE4431237A1 (de) * 1994-09-02 1996-03-07 Bosch Gmbh Robert Verfahren zur Gewinnung von bitspezifischen Zuverlässigkeitsinformationen
GB9520445D0 (en) * 1995-10-06 1995-12-06 British Telecomm Convolutional codes
JP3310185B2 (ja) * 1996-11-21 2002-07-29 松下電器産業株式会社 誤り訂正装置
JP3249457B2 (ja) * 1997-11-28 2002-01-21 沖電気工業株式会社 ディジタル通信用音声送受信装置
US6272660B1 (en) * 1998-04-03 2001-08-07 Agere Systems Guardian Corp. Screening for errors in data transmission systems

Also Published As

Publication number Publication date
JP4449108B2 (ja) 2010-04-14
EP1074975A3 (de) 2002-08-21
DE60026911T2 (de) 2006-08-31
JP2001053690A (ja) 2001-02-23
EP1074975B1 (de) 2006-03-29
CN1283904A (zh) 2001-02-14
CN1164050C (zh) 2004-08-25
US6751586B1 (en) 2004-06-15
EP1074975A2 (de) 2001-02-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8320 Willingness to grant licences declared (paragraph 23)