JPS5732152A - Measuring method for separation degree of am stereophonic signal - Google Patents

Measuring method for separation degree of am stereophonic signal

Info

Publication number
JPS5732152A
JPS5732152A JP10717080A JP10717080A JPS5732152A JP S5732152 A JPS5732152 A JP S5732152A JP 10717080 A JP10717080 A JP 10717080A JP 10717080 A JP10717080 A JP 10717080A JP S5732152 A JPS5732152 A JP S5732152A
Authority
JP
Japan
Prior art keywords
signal
channel
phase
side wave
stereophonic signal
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
JP10717080A
Other languages
Japanese (ja)
Other versions
JPS6255743B2 (en
Inventor
Shigeru Sugawara
Hiroshi Ueno
Shinji Sugiki
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.)
MEGURO DENPA SOKKI KK
MEGURO ELECTRONICS
Original Assignee
MEGURO DENPA SOKKI KK
MEGURO ELECTRONICS
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 MEGURO DENPA SOKKI KK, MEGURO ELECTRONICS filed Critical MEGURO DENPA SOKKI KK
Priority to JP10717080A priority Critical patent/JPS5732152A/en
Publication of JPS5732152A publication Critical patent/JPS5732152A/en
Publication of JPS6255743B2 publication Critical patent/JPS6255743B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Stereo-Broadcasting Methods (AREA)

Abstract

PURPOSE:To measure the degree of separation of a composite modulated signal accurately by giving a phase difference between a left-channel signal and a right- channel signal and by measuring the level of the upper side wave in an AM stereophonic signal. CONSTITUTION:The output of an audio frequency oscillator 10 is supplied to a phase shifter 11. The 0 deg. out-of-phase output signal of the phase shifter 11 is inputted as a left-channel signal to the left-channel input terminal of a matrix circuit 11. A 90 deg. or -90 deg. out-of-phase signal is selected by a changeover switch 21 and inputted to the right-channel terminal of the circuit 1. According to the switching of a changeover switch 18, an indicator 12 indicates the levels of the 1st upper side wave and 1st lower side wave of the composite modulated signal of an AM stereophonic signal generator A selectively.
JP10717080A 1980-08-06 1980-08-06 Measuring method for separation degree of am stereophonic signal Granted JPS5732152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10717080A JPS5732152A (en) 1980-08-06 1980-08-06 Measuring method for separation degree of am stereophonic signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10717080A JPS5732152A (en) 1980-08-06 1980-08-06 Measuring method for separation degree of am stereophonic signal

Publications (2)

Publication Number Publication Date
JPS5732152A true JPS5732152A (en) 1982-02-20
JPS6255743B2 JPS6255743B2 (en) 1987-11-20

Family

ID=14452250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10717080A Granted JPS5732152A (en) 1980-08-06 1980-08-06 Measuring method for separation degree of am stereophonic signal

Country Status (1)

Country Link
JP (1) JPS5732152A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59171345A (en) * 1983-03-18 1984-09-27 Matsushita Electric Ind Co Ltd Method for measuring separation degree of am stereo signal
JPS59194543A (en) * 1983-04-19 1984-11-05 Matsushita Electric Ind Co Ltd Method for measuring separation degree of am stereophonic signal
JPH0679704U (en) * 1993-04-16 1994-11-08 冨美子 上田 Sweatshirt body shirt

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59171345A (en) * 1983-03-18 1984-09-27 Matsushita Electric Ind Co Ltd Method for measuring separation degree of am stereo signal
JPS59194543A (en) * 1983-04-19 1984-11-05 Matsushita Electric Ind Co Ltd Method for measuring separation degree of am stereophonic signal
JPH0679704U (en) * 1993-04-16 1994-11-08 冨美子 上田 Sweatshirt body shirt

Also Published As

Publication number Publication date
JPS6255743B2 (en) 1987-11-20

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