JPS5644177A - Modulating circuit of automatic piano player - Google Patents

Modulating circuit of automatic piano player

Info

Publication number
JPS5644177A
JPS5644177A JP12048479A JP12048479A JPS5644177A JP S5644177 A JPS5644177 A JP S5644177A JP 12048479 A JP12048479 A JP 12048479A JP 12048479 A JP12048479 A JP 12048479A JP S5644177 A JPS5644177 A JP S5644177A
Authority
JP
Japan
Prior art keywords
circuit
pulse generating
modulation
signal
demodulator
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
JP12048479A
Other languages
Japanese (ja)
Inventor
Yoshio Kuwatani
Zenichi Kawanaka
Yutaka Hiraga
Masaharu Yatsuhashi
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.)
Marantz Japan Inc
Original Assignee
Marantz Japan 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 Marantz Japan Inc filed Critical Marantz Japan Inc
Priority to JP12048479A priority Critical patent/JPS5644177A/en
Publication of JPS5644177A publication Critical patent/JPS5644177A/en
Pending legal-status Critical Current

Links

Landscapes

  • Auxiliary Devices For Music (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

PURPOSE: To attain modulation keying for the low-frequency range and high-frequency range by switching modulation forth and back from the intermediate transition point of a shift register after shifting the output signal of a data reproducing circuit for a standard play tape as many times as a required number of bits.
CONSTITUTION: A reproduced signal from tape recorder DR is led to clock pulse generating circuit CG after passing through waveform shaping circuit WS to detect information on a keyboard, volume and pedals. A signal obtained from demodulator D via synchronous separating circuit SDC and the output of pulse generating circuit CG are received by address control counter AC. With signals from word pulse generating counter WPG and another address control counter AC, address latch circuits AL1WAL14 are selected. A demodulated signal from demodulator D is inputted to shift registers SR1 and SR2 and shifted there, so that modulation will be changed over by change-over switch DS.
COPYRIGHT: (C)1981,JPO&Japio
JP12048479A 1979-09-18 1979-09-18 Modulating circuit of automatic piano player Pending JPS5644177A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12048479A JPS5644177A (en) 1979-09-18 1979-09-18 Modulating circuit of automatic piano player

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12048479A JPS5644177A (en) 1979-09-18 1979-09-18 Modulating circuit of automatic piano player

Publications (1)

Publication Number Publication Date
JPS5644177A true JPS5644177A (en) 1981-04-23

Family

ID=14787314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12048479A Pending JPS5644177A (en) 1979-09-18 1979-09-18 Modulating circuit of automatic piano player

Country Status (1)

Country Link
JP (1) JPS5644177A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62231296A (en) * 1986-03-31 1987-10-09 ヤマハ株式会社 Automatic performance system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62231296A (en) * 1986-03-31 1987-10-09 ヤマハ株式会社 Automatic performance system
JPH0752340B2 (en) * 1986-03-31 1995-06-05 ヤマハ株式会社 Automatic playing system

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