DE3805169A1 - Verfahren zum uebertragen eines digital-codierten tonsignals - Google Patents

Verfahren zum uebertragen eines digital-codierten tonsignals

Info

Publication number
DE3805169A1
DE3805169A1 DE19883805169 DE3805169A DE3805169A1 DE 3805169 A1 DE3805169 A1 DE 3805169A1 DE 19883805169 DE19883805169 DE 19883805169 DE 3805169 A DE3805169 A DE 3805169A DE 3805169 A1 DE3805169 A1 DE 3805169A1
Authority
DE
Germany
Prior art keywords
audio signal
channel
binary
coded audio
error protection
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.)
Granted
Application number
DE19883805169
Other languages
German (de)
English (en)
Other versions
DE3805169C2 (enExample
Inventor
Christfried Dipl Ing Weck
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.)
Institut fuer Rundfunktechnik GmbH
Original Assignee
Institut fuer Rundfunktechnik GmbH
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 Institut fuer Rundfunktechnik GmbH filed Critical Institut fuer Rundfunktechnik GmbH
Priority to DE19883805169 priority Critical patent/DE3805169A1/de
Publication of DE3805169A1 publication Critical patent/DE3805169A1/de
Application granted granted Critical
Publication of DE3805169C2 publication Critical patent/DE3805169C2/de
Granted 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, 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
    • H03M13/35—Unequal 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
    • 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
    • H04L1/0041—Arrangements at the transmitter 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0067—Rate matching
    • H04L1/0068—Rate matching by puncturing
    • H04L1/0069—Puncturing patterns
    • 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
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/007—Unequal error protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
DE19883805169 1988-02-19 1988-02-19 Verfahren zum uebertragen eines digital-codierten tonsignals Granted DE3805169A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19883805169 DE3805169A1 (de) 1988-02-19 1988-02-19 Verfahren zum uebertragen eines digital-codierten tonsignals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883805169 DE3805169A1 (de) 1988-02-19 1988-02-19 Verfahren zum uebertragen eines digital-codierten tonsignals

Publications (2)

Publication Number Publication Date
DE3805169A1 true DE3805169A1 (de) 1989-08-31
DE3805169C2 DE3805169C2 (enExample) 1990-01-04

Family

ID=6347713

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883805169 Granted DE3805169A1 (de) 1988-02-19 1988-02-19 Verfahren zum uebertragen eines digital-codierten tonsignals

Country Status (1)

Country Link
DE (1) DE3805169A1 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993008656A1 (de) * 1991-10-24 1993-04-29 Institut für Rundfunktechnik GmbH Verfahren zum übertragen oder speichern eines aus einer folge von informationsblöcken bestehenden digitalisierten, encodierten tonsignals über störbehaftete kanäle
WO1997014235A1 (en) * 1995-10-06 1997-04-17 British Telecommunications Public Limited Company Confidence and frame signal quality detection in a soft decision convolutional decoder
EP0725487A3 (en) * 1995-02-01 1998-05-13 AT&T Corp. Multilevel coding for fractional bits

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4208995A1 (de) * 1992-03-20 1993-09-30 Inst Rundfunktechnik Gmbh Verfahren zum Übertragen oder Speichern digitalisierter mehrkanaliger Tonsignale
DE19503528C2 (de) * 1995-02-03 1998-01-15 Inst Rundfunktechnik Gmbh Verfahren zum Übertragen oder Speichern von faltungscodierten Datensignalen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4119945A (en) * 1977-07-01 1978-10-10 Rca Corporation Error detection and correction

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4119945A (en) * 1977-07-01 1978-10-10 Rca Corporation Error detection and correction

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
J.L. MASSEY: "The how and why of channel coding", Proc. 1983 Zürich Seminar Digital Communication, IEEE Cat.No.84 CH 1998-4, S.67-73 *
Y. YASUDA et al. "Development of variable-rate Viterbi-decoder and its performance characte- ristics", Sixth Int. Conf. on Digital Satellite Communications, 19-23 Sept.1983, Phoenix Ariz., USA, S. XII-24 bis XII-31 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993008656A1 (de) * 1991-10-24 1993-04-29 Institut für Rundfunktechnik GmbH Verfahren zum übertragen oder speichern eines aus einer folge von informationsblöcken bestehenden digitalisierten, encodierten tonsignals über störbehaftete kanäle
US5440584A (en) * 1991-10-24 1995-08-08 Institut Fuer Rundfunktechnik Gmbh Process for transmitting or storing over disturbed channels a digitalized, encoded audio signal composed of a series of information blocks
EP0725487A3 (en) * 1995-02-01 1998-05-13 AT&T Corp. Multilevel coding for fractional bits
WO1997014235A1 (en) * 1995-10-06 1997-04-17 British Telecommunications Public Limited Company Confidence and frame signal quality detection in a soft decision convolutional decoder
US5983174A (en) * 1995-10-06 1999-11-09 British Telecommunications Public Limited Company Confidence and frame signal quality determination in a soft decision convolutional decoder
US6081778A (en) * 1995-10-06 2000-06-27 British Telecommunications Public Limited Company Confidence and frame signal quality detection in a soft decision convolutional decoder
EP1508990A1 (en) * 1995-10-06 2005-02-23 BRITISH TELECOMMUNICATIONS public limited company Convolutional codes

Also Published As

Publication number Publication date
DE3805169C2 (enExample) 1990-01-04

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licenses declared (paragraph 23)
8339 Ceased/non-payment of the annual fee