JPS522512A - Compression and elongation method for signal - Google Patents

Compression and elongation method for signal

Info

Publication number
JPS522512A
JPS522512A JP7789375A JP7789375A JPS522512A JP S522512 A JPS522512 A JP S522512A JP 7789375 A JP7789375 A JP 7789375A JP 7789375 A JP7789375 A JP 7789375A JP S522512 A JPS522512 A JP S522512A
Authority
JP
Japan
Prior art keywords
compression
signal
elongation method
audio signal
state
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
JP7789375A
Other languages
Japanese (ja)
Inventor
Daihachiro Takasu
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.)
Teac Corp
Original Assignee
Teac Corp
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 Teac Corp filed Critical Teac Corp
Priority to JP7789375A priority Critical patent/JPS522512A/en
Publication of JPS522512A publication Critical patent/JPS522512A/en
Pending legal-status Critical Current

Links

Landscapes

  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

PURPOSE: To change a frequency of a pilot signal according to an audio signal so as to indicate a compression rate in a method for improvement of S/N ratio by compressing an audio signal at recording state and elongating at replaying state.
COPYRIGHT: (C)1977,JPO&Japio
JP7789375A 1975-06-24 1975-06-24 Compression and elongation method for signal Pending JPS522512A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7789375A JPS522512A (en) 1975-06-24 1975-06-24 Compression and elongation method for signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7789375A JPS522512A (en) 1975-06-24 1975-06-24 Compression and elongation method for signal

Publications (1)

Publication Number Publication Date
JPS522512A true JPS522512A (en) 1977-01-10

Family

ID=13646747

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7789375A Pending JPS522512A (en) 1975-06-24 1975-06-24 Compression and elongation method for signal

Country Status (1)

Country Link
JP (1) JPS522512A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5689500U (en) * 1979-12-04 1981-07-17
JPS5880111A (en) * 1981-11-06 1983-05-14 Pioneer Electronic Corp Recording and reproducing system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425213A (en) * 1945-05-05 1947-08-05 Philco Corp Magnetic wire telegraphophone system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425213A (en) * 1945-05-05 1947-08-05 Philco Corp Magnetic wire telegraphophone system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5689500U (en) * 1979-12-04 1981-07-17
JPS5880111A (en) * 1981-11-06 1983-05-14 Pioneer Electronic Corp Recording and reproducing system

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