JPS5264818A - Instantaneous compression expansion system - Google Patents

Instantaneous compression expansion system

Info

Publication number
JPS5264818A
JPS5264818A JP14137975A JP14137975A JPS5264818A JP S5264818 A JPS5264818 A JP S5264818A JP 14137975 A JP14137975 A JP 14137975A JP 14137975 A JP14137975 A JP 14137975A JP S5264818 A JPS5264818 A JP S5264818A
Authority
JP
Japan
Prior art keywords
expansion system
compression expansion
instantaneous compression
instantaneous
ensure
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
JP14137975A
Other languages
Japanese (ja)
Other versions
JPS5841697B2 (en
Inventor
Taiji Shimeki
Koji Matsushima
Nobuyoshi Kihara
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 JP50141379A priority Critical patent/JPS5841697B2/en
Publication of JPS5264818A publication Critical patent/JPS5264818A/en
Publication of JPS5841697B2 publication Critical patent/JPS5841697B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

PURPOSE: To ensure an effective use of recording medium or transmission path by varying compression/expansion characteristics according to acoustic signal by use of A/D converter circuit.
COPYRIGHT: (C)1977,JPO&Japio
JP50141379A 1975-11-25 1975-11-25 Instant companding device Expired JPS5841697B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50141379A JPS5841697B2 (en) 1975-11-25 1975-11-25 Instant companding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50141379A JPS5841697B2 (en) 1975-11-25 1975-11-25 Instant companding device

Publications (2)

Publication Number Publication Date
JPS5264818A true JPS5264818A (en) 1977-05-28
JPS5841697B2 JPS5841697B2 (en) 1983-09-13

Family

ID=15290617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50141379A Expired JPS5841697B2 (en) 1975-11-25 1975-11-25 Instant companding device

Country Status (1)

Country Link
JP (1) JPS5841697B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275204A (en) * 1975-12-19 1977-06-24 Matsushita Electric Ind Co Ltd Companding circuit
JPS59148417A (en) * 1983-02-08 1984-08-25 フイリップス　エレクトロニクス　ネムローゼ　フェンノート　シャップ Digital dynamic range converter
JPH07221569A (en) * 1994-12-22 1995-08-18 Sony Corp Amplitude characteristic controller

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5275204A (en) * 1975-12-19 1977-06-24 Matsushita Electric Ind Co Ltd Companding circuit
JPS5841699B2 (en) * 1975-12-19 1983-09-13 松下電器産業株式会社 Atsushi Cairo
JPS59148417A (en) * 1983-02-08 1984-08-25 フイリップス　エレクトロニクス　ネムローゼ　フェンノート　シャップ Digital dynamic range converter
JPH07221569A (en) * 1994-12-22 1995-08-18 Sony Corp Amplitude characteristic controller

Also Published As

Publication number Publication date
JPS5841697B2 (en) 1983-09-13

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