JPS5636739A - Audio output unit - Google Patents

Audio output unit

Info

Publication number
JPS5636739A
JPS5636739A JP11154179A JP11154179A JPS5636739A JP S5636739 A JPS5636739 A JP S5636739A JP 11154179 A JP11154179 A JP 11154179A JP 11154179 A JP11154179 A JP 11154179A JP S5636739 A JPS5636739 A JP S5636739A
Authority
JP
Japan
Prior art keywords
sound
rom1
addresses
rom2
fixed memory
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
JP11154179A
Other languages
Japanese (ja)
Inventor
Ichiro Sado
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP11154179A priority Critical patent/JPS5636739A/en
Publication of JPS5636739A publication Critical patent/JPS5636739A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To output a sound of extreme variety by simultaneously selecting one code each from fixed memory units stored with digital codes of sounds to be outputted.
CONSTITUTION: As an indication regarding a sound is applied from input part INP to central processor CPU, CPU indicates two addresses and addresses are changed at every constant time, so that fixed memory parts ROM1 and ROM2 output sound codes (digital code word). The outputs of ROM1 and ROM2, after passing through low-pass filters LPF1 and LPF2, are led to coupler CON to obtain a composite waveform, which is applied to speaker SP by way of driver D.
COPYRIGHT: (C)1981,JPO&Japio
JP11154179A 1979-08-31 1979-08-31 Audio output unit Pending JPS5636739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11154179A JPS5636739A (en) 1979-08-31 1979-08-31 Audio output unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11154179A JPS5636739A (en) 1979-08-31 1979-08-31 Audio output unit

Publications (1)

Publication Number Publication Date
JPS5636739A true JPS5636739A (en) 1981-04-10

Family

ID=14563974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11154179A Pending JPS5636739A (en) 1979-08-31 1979-08-31 Audio output unit

Country Status (1)

Country Link
JP (1) JPS5636739A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211798A (en) * 1982-06-04 1983-12-09 松下電器産業株式会社 Alarm sound generation circuit
JPS60198594A (en) * 1984-03-23 1985-10-08 株式会社日立製作所 Voice synthesizer control system
JPS62299900A (en) * 1986-06-18 1987-12-26 日本電気株式会社 Voice synthesizer
JPH01150198A (en) * 1987-12-08 1989-06-13 Matsushita Electric Ind Co Ltd Voice data editing apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211798A (en) * 1982-06-04 1983-12-09 松下電器産業株式会社 Alarm sound generation circuit
JPS60198594A (en) * 1984-03-23 1985-10-08 株式会社日立製作所 Voice synthesizer control system
JPH0550757B2 (en) * 1984-03-23 1993-07-29 Hitachi Ltd
JPS62299900A (en) * 1986-06-18 1987-12-26 日本電気株式会社 Voice synthesizer
JPH01150198A (en) * 1987-12-08 1989-06-13 Matsushita Electric Ind Co Ltd Voice data editing apparatus

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