JPS54104315A - Forming method of coded signals - Google Patents

Forming method of coded signals

Info

Publication number
JPS54104315A
JPS54104315A JP1098078A JP1098078A JPS54104315A JP S54104315 A JPS54104315 A JP S54104315A JP 1098078 A JP1098078 A JP 1098078A JP 1098078 A JP1098078 A JP 1098078A JP S54104315 A JPS54104315 A JP S54104315A
Authority
JP
Japan
Prior art keywords
codes
data
check
modulo
constitution
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.)
Pending
Application number
JP1098078A
Other languages
Japanese (ja)
Inventor
Ryoichi Wada
Mitsuharu Tsuchiya
Kanji Odagi
Takanori Senoo
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 Holdings 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
Priority to JP1098078A priority Critical patent/JPS54104315A/en
Priority to US06/007,851 priority patent/US4281355A/en
Priority to FR7902555A priority patent/FR2416591A1/en
Priority to DE19792903998 priority patent/DE2903998A1/en
Priority to NL7900826A priority patent/NL7900826A/en
Priority to GB7903515A priority patent/GB2016756B/en
Publication of JPS54104315A publication Critical patent/JPS54104315A/en
Pending legal-status Critical Current

Links

Landscapes

  • Error Detection And Correction (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

PURPOSE: To readily obtain error detecting code constitution of good drop-out resistance by delaying and arraying first checking codes of modulo two and second checking codes formed from said codes on the time axis.
CONSTITUTION: According to the PCM data of the stereo signals by A/D converters 4L, 4R, etc., a first check code generating circuit 5 makes operations of modulo two and generates check codes Pn1, Pn2 ... These codes Pn1, Pn2 are written together with the PCM data into a memory 17. According to reading out of the memory 17, the codes further added awith check data such as CRC, etc. with deviations of time axis at the final of the data block formed by the PCM data and check data Pn1, Pn2 ... are formed by the interleave processing of a second code generating circuit 8 which is provided with ROM, RAM, interrupt processing circuit, buffer register, etc. The codes are made of good drop-out characteristics by the redundancy of two kinds of check data on different time axes.
COPYRIGHT: (C)1979,JPO&Japio
JP1098078A 1978-02-01 1978-02-01 Forming method of coded signals Pending JPS54104315A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP1098078A JPS54104315A (en) 1978-02-01 1978-02-01 Forming method of coded signals
US06/007,851 US4281355A (en) 1978-02-01 1979-01-29 Digital audio signal recorder
FR7902555A FR2416591A1 (en) 1978-02-01 1979-01-31 DIGITAL ACOUSTIC SIGNAL RECORDER
DE19792903998 DE2903998A1 (en) 1978-02-01 1979-01-31 ARRANGEMENT FOR DIGITAL AF-SIGNAL RECORDING
NL7900826A NL7900826A (en) 1978-02-01 1979-02-01 DIGITAL AUDIO SIGNAL RECORDING / DISPLAY UNIT.
GB7903515A GB2016756B (en) 1978-02-01 1979-02-01 Digital signal recording/reproducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1098078A JPS54104315A (en) 1978-02-01 1978-02-01 Forming method of coded signals

Publications (1)

Publication Number Publication Date
JPS54104315A true JPS54104315A (en) 1979-08-16

Family

ID=11765296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1098078A Pending JPS54104315A (en) 1978-02-01 1978-02-01 Forming method of coded signals

Country Status (1)

Country Link
JP (1) JPS54104315A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60213132A (en) * 1984-04-06 1985-10-25 Nec Corp Digital signal processor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60213132A (en) * 1984-04-06 1985-10-25 Nec Corp Digital signal processor
JPH0352694B2 (en) * 1984-04-06 1991-08-12 Nippon Electric Co

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