JPS54138422A - Musical tone generating system in electronic musical instrument - Google Patents

Musical tone generating system in electronic musical instrument

Info

Publication number
JPS54138422A
JPS54138422A JP4683678A JP4683678A JPS54138422A JP S54138422 A JPS54138422 A JP S54138422A JP 4683678 A JP4683678 A JP 4683678A JP 4683678 A JP4683678 A JP 4683678A JP S54138422 A JPS54138422 A JP S54138422A
Authority
JP
Japan
Prior art keywords
sound volume
waveform
block address
synchronism
supplied
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
JP4683678A
Other languages
Japanese (ja)
Other versions
JPS6042949B2 (en
Inventor
Toshio Kashio
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer 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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP53046836A priority Critical patent/JPS6042949B2/en
Priority to GB7908936A priority patent/GB2017376B/en
Priority to GB08211602A priority patent/GB2102611B/en
Priority to GB08211603A priority patent/GB2102612B/en
Priority to GB08211604A priority patent/GB2101787B/en
Priority to AU45158/79A priority patent/AU526989B2/en
Priority to CA323,664A priority patent/CA1132382A/en
Priority to DE19792954065 priority patent/DE2954065C2/en
Priority to DE2910472A priority patent/DE2910472C2/en
Priority to DE19792954066 priority patent/DE2954066C2/en
Priority to FR7906733A priority patent/FR2473173A1/en
Priority to NLAANVRAGE7902090,A priority patent/NL181690C/en
Priority to DE2954064A priority patent/DE2954064C2/en
Priority to IT48408/79A priority patent/IT1193752B/en
Priority to CH257779A priority patent/CH646263A5/en
Priority to AT0206279A priority patent/AT389957B/en
Publication of JPS54138422A publication Critical patent/JPS54138422A/en
Priority to US06/320,887 priority patent/US4515056A/en
Priority to US06/395,920 priority patent/US4475431A/en
Priority to CA000409459A priority patent/CA1151450A/en
Priority to CA000410154A priority patent/CA1164255A/en
Priority to CA000410153A priority patent/CA1156502A/en
Priority to AU90671/82A priority patent/AU559298B2/en
Priority to NLAANVRAGE8204852,A priority patent/NL187828C/en
Priority to NLAANVRAGE8204851,A priority patent/NL187827C/en
Priority to IT8249703A priority patent/IT1210707B/en
Priority to IT8249704A priority patent/IT1210708B/en
Priority to FR8303121A priority patent/FR2517855B1/en
Priority to FR8303120A priority patent/FR2517854B1/en
Priority to US06/706,904 priority patent/US4590838A/en
Publication of JPS6042949B2 publication Critical patent/JPS6042949B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Electrophonic Musical Instruments (AREA)

Abstract

PURPOSE: To obtain an effective timbre, by providing a musical tone waveform indication means to indicate the rise and fall of the waveform in each block by + or - of integer times of control value of the sound volume control means.
CONSTITUTION: Differential coefficient value and +, - indication signals specified in each block address by a waveform program specifying part 5 are outputted sequentially in synchronism with the block address signal from a decoder 4 and are supplied into a multiplication circuit 6. In this multiplication circuit 6 is supplied a control value of a sound volume curve making counter 7 which digitally controls the sound volume controlling to increase or decrease the performance sound volume along with the time elapse from the time of operation of performance key. Finally, the control values are multiplied in synchronism with the block address according to the differential coefficient value and the +, - indications of the waveform program specifying part 5.
COPYRIGHT: (C)1979,JPO&Japio
JP53046836A 1978-03-18 1978-04-20 Musical sound waveform generator for electronic musical instruments Expired JPS6042949B2 (en)

Priority Applications (29)

Application Number Priority Date Filing Date Title
JP53046836A JPS6042949B2 (en) 1978-04-20 1978-04-20 Musical sound waveform generator for electronic musical instruments
GB7908936A GB2017376B (en) 1978-03-18 1979-03-14 Electronic musical instrument
GB08211602A GB2102611B (en) 1978-03-18 1979-03-14 Electronic musical instrument
GB08211603A GB2102612B (en) 1978-03-18 1979-03-14 Tone generator for electronic musical instrument
GB08211604A GB2101787B (en) 1978-03-18 1979-03-14 Electronic musical instrument
AU45158/79A AU526989B2 (en) 1978-03-18 1979-03-15 Electronic musical instrument
CA323,664A CA1132382A (en) 1978-03-18 1979-03-16 Electronic musical instrument
DE19792954065 DE2954065C2 (en) 1978-03-18 1979-03-16 Electronic musical instrument
DE2910472A DE2910472C2 (en) 1978-03-18 1979-03-16 Electronic musical instrument
DE19792954066 DE2954066C2 (en) 1978-03-18 1979-03-16 Electronic musical instrument
FR7906733A FR2473173A1 (en) 1978-03-18 1979-03-16 Electronic musical instrument with progressive digital counter - has volume control and period counter dividing period into blocks with stages and accumulates volume and tone signals for output loudspeaker
NLAANVRAGE7902090,A NL181690C (en) 1978-03-18 1979-03-16 ELECTRONIC MUSIC INSTRUMENT.
DE2954064A DE2954064C2 (en) 1978-03-18 1979-03-16 Electronic musical instrument
CH257779A CH646263A5 (en) 1978-03-18 1979-03-19 ELECTRONIC MUSIC INSTRUMENT.
AT0206279A AT389957B (en) 1978-03-18 1979-03-19 ELECTRONIC MUSIC INSTRUMENT
IT48408/79A IT1193752B (en) 1978-03-18 1979-03-19 ELECTRONIC MUSICAL INSTRUMENT
US06/320,887 US4515056A (en) 1978-03-18 1981-11-13 Electronic musical instrument
US06/395,920 US4475431A (en) 1978-03-18 1982-07-07 Electronic musical instrument
CA000409459A CA1151450A (en) 1978-03-18 1982-08-13 Electronic musical instrument
CA000410154A CA1164255A (en) 1978-03-18 1982-08-25 Electronic musical instrument
CA000410153A CA1156502A (en) 1978-03-18 1982-08-25 Electronic musical instrument
AU90671/82A AU559298B2 (en) 1978-03-18 1982-11-17 Electronic musical instrument
NLAANVRAGE8204852,A NL187828C (en) 1978-03-18 1982-12-16 ELECTRONIC MUSIC INSTRUMENT.
NLAANVRAGE8204851,A NL187827C (en) 1978-03-18 1982-12-16 ELECTRONIC MUSIC INSTRUMENT.
IT8249703A IT1210707B (en) 1978-03-18 1982-12-20 ELECTRONIC MUSICAL INSTRUMENT
IT8249704A IT1210708B (en) 1978-03-18 1982-12-20 ELECTRONIC MUSICAL INSTRUMENT
FR8303121A FR2517855B1 (en) 1978-03-18 1983-02-25 ELECTRONIC MUSIC INSTRUMENT
FR8303120A FR2517854B1 (en) 1978-03-18 1983-02-25 ELECTRONIC MUSIC INSTRUMENT
US06/706,904 US4590838A (en) 1978-03-18 1985-03-01 Electronic musical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53046836A JPS6042949B2 (en) 1978-04-20 1978-04-20 Musical sound waveform generator for electronic musical instruments

Publications (2)

Publication Number Publication Date
JPS54138422A true JPS54138422A (en) 1979-10-26
JPS6042949B2 JPS6042949B2 (en) 1985-09-25

Family

ID=12758413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53046836A Expired JPS6042949B2 (en) 1978-03-18 1978-04-20 Musical sound waveform generator for electronic musical instruments

Country Status (1)

Country Link
JP (1) JPS6042949B2 (en)

Also Published As

Publication number Publication date
JPS6042949B2 (en) 1985-09-25

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