JPS5499407A - Reproduction signal compressing apparatus - Google Patents

Reproduction signal compressing apparatus

Info

Publication number
JPS5499407A
JPS5499407A JP593578A JP593578A JPS5499407A JP S5499407 A JPS5499407 A JP S5499407A JP 593578 A JP593578 A JP 593578A JP 593578 A JP593578 A JP 593578A JP S5499407 A JPS5499407 A JP S5499407A
Authority
JP
Japan
Prior art keywords
signal
syllable
head
reproduction
pulse
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
JP593578A
Other languages
Japanese (ja)
Other versions
JPS6014422B2 (en
Inventor
Noriaki Naito
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP53005935A priority Critical patent/JPS6014422B2/en
Publication of JPS5499407A publication Critical patent/JPS5499407A/en
Publication of JPS6014422B2 publication Critical patent/JPS6014422B2/en
Expired legal-status Critical Current

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Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

PURPOSE: To eliminate unnaturalness of the compressed reproduction sounds by performing changing over of the writing and reading of a plurality of delay devices in association to the output of the time when the head portion of each syllable of the reproduction input signal is detected.
CONSTITUTION: When the reproduction signal from terminal 1 enters at time intervals of sections T1 thru T3, a detection pulse Pd generates from a peak detection circuit 15 in the position of the head of each syllable and after T/2 thereof, an output pulse P3 is generated from a counter 16. When the pulse P3 is supplied via OR 19 to an FF 20, a switching signal Tg and anti Tg are generated and between the high levels thereof, the signal S1 of the portion of the head of that syllable in the section T1 and the same signal S2 in the segment T2 are respectively written in delay devices 3,4 by changeover circuits 2,5 and switch circuit 11. At the same time, the signal S1 having been written previously is subsequently read out from the head of the syllable from the device 3 but in the segment T2 reading out all of the signal S1 is not possible. However, missing of important portions will not occur. Hence, the unnaturalness of the compressed reproduction sounds may be perfectly eliminated.
COPYRIGHT: (C)1979,JPO&Japio
JP53005935A 1978-01-23 1978-01-23 Playback signal compression device Expired JPS6014422B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53005935A JPS6014422B2 (en) 1978-01-23 1978-01-23 Playback signal compression device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53005935A JPS6014422B2 (en) 1978-01-23 1978-01-23 Playback signal compression device

Publications (2)

Publication Number Publication Date
JPS5499407A true JPS5499407A (en) 1979-08-06
JPS6014422B2 JPS6014422B2 (en) 1985-04-13

Family

ID=11624746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53005935A Expired JPS6014422B2 (en) 1978-01-23 1978-01-23 Playback signal compression device

Country Status (1)

Country Link
JP (1) JPS6014422B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730897A (en) * 1980-08-01 1982-02-19 Fujitsu Ltd Voice data receiving system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730897A (en) * 1980-08-01 1982-02-19 Fujitsu Ltd Voice data receiving system
JPH0225519B2 (en) * 1980-08-01 1990-06-04 Fujitsu Kk

Also Published As

Publication number Publication date
JPS6014422B2 (en) 1985-04-13

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