US3829597A - Keyboard instrument player system with time division multiplexing techniques and synchronized rhythm device - Google Patents

Keyboard instrument player system with time division multiplexing techniques and synchronized rhythm device Download PDF

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Publication number
US3829597A
US3829597A US00354844A US35484473A US3829597A US 3829597 A US3829597 A US 3829597A US 00354844 A US00354844 A US 00354844A US 35484473 A US35484473 A US 35484473A US 3829597 A US3829597 A US 3829597A
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United States
Prior art keywords
rhythm
tape recorder
keyswitches
track
patterns
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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.)
Expired - Lifetime
Application number
US00354844A
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English (en)
Inventor
R Peterson
R Finch
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US00354844A priority Critical patent/US3829597A/en
Priority to CH545874A priority patent/CH583952A5/xx
Priority to IT50586/74A priority patent/IT1004277B/it
Priority to FR7414294A priority patent/FR2227590B1/fr
Priority to LU69928A priority patent/LU69928A1/xx
Priority to AU68219/74A priority patent/AU474757B2/en
Priority to BE143609A priority patent/BE814183A/fr
Priority to CA198,130A priority patent/CA990553A/en
Priority to DE2420159A priority patent/DE2420159A1/de
Priority to NL7405564A priority patent/NL7405564A/xx
Priority to JP49046749A priority patent/JPS5015533A/ja
Priority to GB1841674A priority patent/GB1415987A/en
Application granted granted Critical
Publication of US3829597A publication Critical patent/US3829597A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
    • G10H1/0041—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
    • G10H1/005—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form on magnetic tape
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/36—Accompaniment arrangements
    • G10H1/40—Rhythm
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
    • G10H2240/325—Synchronizing two or more audio tracks or files according to musical features or musical timings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S84/00—Music
    • Y10S84/12—Side; rhythm and percussion devices

Definitions

  • a player type electrically operated musical instrument includes a rhythm device for producing timed repetitive rhythm patterns of unpitched or semi-pitched percussive sounds.
  • Information as to the playing of the keys of the instrument is encoded in digital form on one track of a magnetic tape using time division multiplexing techniques.
  • the sounds produced by the rhythm device are simultaneously recorded on a second audio channel on the same magnetic tape.
  • the audio channel is reproduced to provide a rhythm 2,533,461 12/1950 lllsley 84/1.28 3 250 847 5/l960 Chamberlain 84H 28 accompaniment synchronized to the performance of 3 272 907 9/1966 Chamberlainiiiiii 11:11:: 84/1I28
  • FIG. 1 is a perspective view of an electronic organ with a rhythm device.
  • FIG. 2 is a combination block, schematic drawing of a player system'according to the invention.
  • the tempo control 112 adjusts the tempo of the rhythm pattern, and the start stop control 1 13 starts and stops the production of the rhythm sounds.
  • the performer having preset the tempo control to a suitable tempo for the music to be played, turns on the rhythm unit by pushing the on button 113, and then proceeds to play the keys and pedals of the instrument in time with the automatically produced rhythm pattern.
  • the tempo can be controlled to a considerable degree by an automatic mechanism which senses the rate of pedal key depression and adjusts the tempo automatically.
  • rhythm device For example if he wants to speed-up his rhythm he may do so by gradually speeding up his playing, and the rhythm device will automatically sense the speed-up and speed-up the tempo accordingly.
  • 115 is a magnetic tape recorder having at least two separate magnetic tracks.
  • the controls 116 are conventional and serve to turn the tape recording device on and off and to perform the usual rewind and fast forward functions.
  • the automatic rhythm device 108 is connected to the audio input terminal 120 of the tape recorder 115. Whenever one of the buttons 110 of FIG. 1 is depressed, an automatic rhythm pattern is produced by the automatic rhythm device 108 and the audio signals produced by the rhythm device will be applied to the input of amplifier 132 by way of relay contacts 133 and 134, and will be heard through the loudspeaker 152. In addition, the signals from the rhythm device 108 are connected to the input terminal 120 of the tape recorder 115, and will be recorded in linear form on the audio track, providing the the record" button 118 is depressed.
  • Conventional organ keyswitches 122 are understood to be physically connected to be operated by the keys .101, 102, and the pedals 103 (FIG. 1) and are connected to a conventional organ tone generating system 125.
  • the particular tone generating system employed is not a part of the present invention, it being understood that any of the many known systems would be appropriate.
  • the output of the tone generating system is connected to the amplifier 126, and. thence to loudspeaker 127, which reproduces the sound of the organ portion of the instrument.
  • the digital keying encoder which is preferably of the type shown in FIG. 1 of our prior U.S. Pat. No. 3,683,096, previously referred to.
  • the output of the digital keying encoder is connected to the input terminal 131 of the digital track of the magnetic recorder 115, and again assuming the record button 118 is depressed, information as to the instantaneous open or closed condition of the organ keyswitches will be recorded in the form of digital data on the digital magnetic tape track.
  • the rhythm on/off switch 114 which is also connected to the source of potential 128.
  • the rhythm on/off switch 144 is physically attached to and is operated by, the on/off knob 113 in FIG. 1. Whenever switch 113 is closed and the rhythm device is operating this information is digitally encoded on the digital track.
  • the magnetic tape is rewound, and the play button 119 (FIG. 1) is depressed, which puts the magnetic tape recorder in its playback mode. Under these conditions,
  • the decoder also includes a series of semiconductor switches which are operated by the decoder. The operation of this decode system is explained in connection with FIG. 7 of the prior US. Pat. No. 3,683,096 previously referred to.
  • the electronic switches which are a part of the decoder are connected in parallel with the organ keyswitches by means of cable 144. In this manner The original organ performance is duplicated and once again the sound of the original performance is heard through loudspeaker 127.
  • waltz rhythm would be appropriate and it would be very undesirable if the automatic rhythm device was to produce a tango or a bossa nova accompaniment during playback while the organ was recreating a waltz melody.
  • This problem is solved by the apparatus of the invention. because if a rhythm effect was used during encoding of the organ performance, upon playback the automatic rhythm device is automatically locked out and only the recorded rhythm sound is heard.
  • a keyboard instrument player system for recording and later recreating a musical performance comprising: y
  • an electrically operated tone generating system connected to and responsive to said keyswitches to produce pitched musical tones; a rhythm device for producing selected rhythm sound patterns; a
  • a tape recorder having first and second magnetic tracks, and means for operating said recorder in a record mode
  • a time division multiplex encoder connected to said keyswitches to encode information as to the on or off condition of said keyswitches
  • a keying decoder having a plurality of electrical switches corresponding to said keyswitches; means connecting said keying decoder between the output of said first track of said tape recorder and said tone generating system during said playback mode, said keying decoder receiving said information in digital form and operating said electrical switches in accordance therewith, said tone generating system responding to said electrical switches to produce pitched musical tones; and
  • the player system of claim 2 further including an amplifier and a loudspeaker connected to the output thereof and means connecting said rhythm device to the input of said amplifier to produce sound patterns; said means for reproducing said recorder rhythm sound patterns including means for selectively disconnecting said rhythm device from said amplifier input and connecting the output of said second track of said tape recorder to the input of said amplifier.
  • decoder means connected between said tape recorder and said tone generator, said tone generator responding to said digital information during said playback mode to recreate said musical performance
  • the player system of claim 6, further including output means connected to said rhythm device for producing rhythm sound patterns; said means for reproducing said recorded rhythm patterns including switch means disconnecting said rhythm device from said output means and connecting the output of said second magnetic track to said output means, whereby said recorded rhythm patterns are reproduced as rhythm sound patterns.
  • said switch means comprises relay means operable in the playback mode of said recorder.
  • said means for recording digital information as to the condition of said keyswitches further includes means for recording digital information as to the operation or nonoperation of said rhythm device, and wherein said switch means is responsive during said playback mode to recorded digital information as to the operation of said rhythm device.
  • a keyboard instrument player system for recording and later recreating a musical performance comprising:
  • an electrically operated musical instrument including playing key-operated keyswitches;
  • a rhythm device for producing selected rhythm patterns of unpitched or semi-pitched musical sounds
  • a tape recorder having first and second magnetic tracks
  • a time division multiplex keying encoder having its input connected to said keyswitches for encoding information as to the on or off condition of said keyswitches and having its output connected to said tape recorder when said recorder is in the record mode to record said information in digital form on said first magnetic track of said tape recorder;
  • a keying decoder connected during said playback mode to the output of said first magnetic track of said tape recorder
  • said means for disabling said rhythm device and for connecting the output of said second track to the input of said amplifier comprises means controlled by digital information encoded by the encoder and decoded by the decoder.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
US00354844A 1973-04-20 1973-04-26 Keyboard instrument player system with time division multiplexing techniques and synchronized rhythm device Expired - Lifetime US3829597A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
US00354844A US3829597A (en) 1973-04-26 1973-04-26 Keyboard instrument player system with time division multiplexing techniques and synchronized rhythm device
CH545874A CH583952A5 (fr) 1973-04-26 1974-04-19
IT50586/74A IT1004277B (it) 1973-04-26 1974-04-23 Perfezionamento negli strumenti musicali elettronici comprendenti generatori di ritmi
LU69928A LU69928A1 (fr) 1973-04-26 1974-04-24
AU68219/74A AU474757B2 (en) 1973-04-20 1974-04-24 Time division multiplexing techniques and synchronized rhythm device
FR7414294A FR2227590B1 (fr) 1973-04-26 1974-04-24
BE143609A BE814183A (fr) 1973-04-26 1974-04-25 Instrument de musique a clavier a generateur de rythme synchronise
CA198,130A CA990553A (en) 1973-04-26 1974-04-25 Keyboard instrument player system with synchronized rhythm device
DE2420159A DE2420159A1 (de) 1973-04-26 1974-04-25 Automatisch abspielbares tasteninstrument mit rhythmusgeraet
NL7405564A NL7405564A (fr) 1973-04-26 1974-04-25
JP49046749A JPS5015533A (fr) 1973-04-26 1974-04-26
GB1841674A GB1415987A (en) 1973-04-26 1974-04-26 Keyboard instrument player system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00354844A US3829597A (en) 1973-04-26 1973-04-26 Keyboard instrument player system with time division multiplexing techniques and synchronized rhythm device

Publications (1)

Publication Number Publication Date
US3829597A true US3829597A (en) 1974-08-13

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Family Applications (1)

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US00354844A Expired - Lifetime US3829597A (en) 1973-04-20 1973-04-26 Keyboard instrument player system with time division multiplexing techniques and synchronized rhythm device

Country Status (12)

Country Link
US (1) US3829597A (fr)
JP (1) JPS5015533A (fr)
AU (1) AU474757B2 (fr)
BE (1) BE814183A (fr)
CA (1) CA990553A (fr)
CH (1) CH583952A5 (fr)
DE (1) DE2420159A1 (fr)
FR (1) FR2227590B1 (fr)
GB (1) GB1415987A (fr)
IT (1) IT1004277B (fr)
LU (1) LU69928A1 (fr)
NL (1) NL7405564A (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3865002A (en) * 1972-12-29 1975-02-11 Pioneer Electric Corp Automatic performance system for electronic instruments
US3868882A (en) * 1972-11-17 1975-03-04 Pioneer Electronic Corp Automatic musical performance method and apparatus for a keyed instrument
US3878750A (en) * 1973-11-21 1975-04-22 Charles A Kapps Programmable music synthesizer
US4022097A (en) * 1974-07-15 1977-05-10 Strangio Christopher E Computer-aided musical apparatus and method
US4132139A (en) * 1976-04-10 1979-01-02 Nippon Gakki Seizo Kabushiki Kaisha Rhythm selection switch assembly for electronic musical instruments
US4215619A (en) * 1978-12-22 1980-08-05 Cbs Inc. System for recording and automatic playback of a musical performance
US4244259A (en) * 1978-07-10 1981-01-13 Nippon Gakki Seizo Kabushiki Kaisha Electronic musical instrument with memory to store tone control information
US4339980A (en) * 1980-08-29 1982-07-20 Helen Hooke Loop tape recorder
US4344344A (en) * 1979-08-31 1982-08-17 Nippon Gakki Seizo Kabushiki Kaisha Electronic musical instrument having musical performance training system
EP0406773A2 (fr) * 1989-07-03 1991-01-09 Casio Computer Company Limited Dispositif pour jouer de la musique automatiquement
EP0434006A2 (fr) * 1989-12-18 1991-06-26 Casio Computer Company Limited Dispositif musical automatique
US5397853A (en) * 1989-12-18 1995-03-14 Casio Computer Co., Ltd. Apparatus and method for performing auto-playing in synchronism with reproduction of audio data and/or image data
US5852795A (en) * 1996-11-22 1998-12-22 New York Gas Group Apparatus for controlling a multiplicity of compressors
US20100083814A1 (en) * 2005-08-02 2010-04-08 Kawai Musical Instruments Mfg. Co., Ltd. Apparatus, Method and Computer Program for Switching Musical Tone Output

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4615024A (en) * 1982-03-19 1986-09-30 Casio Computer Co., Ltd. Electronic apparatus with magnetic recording and reproducing device

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868882A (en) * 1972-11-17 1975-03-04 Pioneer Electronic Corp Automatic musical performance method and apparatus for a keyed instrument
US3865002A (en) * 1972-12-29 1975-02-11 Pioneer Electric Corp Automatic performance system for electronic instruments
US3878750A (en) * 1973-11-21 1975-04-22 Charles A Kapps Programmable music synthesizer
US4022097A (en) * 1974-07-15 1977-05-10 Strangio Christopher E Computer-aided musical apparatus and method
US4132139A (en) * 1976-04-10 1979-01-02 Nippon Gakki Seizo Kabushiki Kaisha Rhythm selection switch assembly for electronic musical instruments
US4244259A (en) * 1978-07-10 1981-01-13 Nippon Gakki Seizo Kabushiki Kaisha Electronic musical instrument with memory to store tone control information
US4215619A (en) * 1978-12-22 1980-08-05 Cbs Inc. System for recording and automatic playback of a musical performance
US4344344A (en) * 1979-08-31 1982-08-17 Nippon Gakki Seizo Kabushiki Kaisha Electronic musical instrument having musical performance training system
US4339980A (en) * 1980-08-29 1982-07-20 Helen Hooke Loop tape recorder
EP0406773A2 (fr) * 1989-07-03 1991-01-09 Casio Computer Company Limited Dispositif pour jouer de la musique automatiquement
EP0406773A3 (en) * 1989-07-03 1991-03-06 Casio Computer Company Limited Auto-playing apparatus
US5138925A (en) * 1989-07-03 1992-08-18 Casio Computer Co., Ltd. Apparatus for playing auto-play data in synchronism with audio data stored in a compact disc
EP0434006A2 (fr) * 1989-12-18 1991-06-26 Casio Computer Company Limited Dispositif musical automatique
EP0434006A3 (en) * 1989-12-18 1991-08-28 Casio Computer Company Limited Auto-playing apparatus
US5189237A (en) * 1989-12-18 1993-02-23 Casio Computer Co., Ltd. Apparatus and method for performing auto-playing in synchronism with reproduction of audio data
US5397853A (en) * 1989-12-18 1995-03-14 Casio Computer Co., Ltd. Apparatus and method for performing auto-playing in synchronism with reproduction of audio data and/or image data
US5852795A (en) * 1996-11-22 1998-12-22 New York Gas Group Apparatus for controlling a multiplicity of compressors
US20100083814A1 (en) * 2005-08-02 2010-04-08 Kawai Musical Instruments Mfg. Co., Ltd. Apparatus, Method and Computer Program for Switching Musical Tone Output
US8373055B2 (en) * 2005-08-02 2013-02-12 Kawai Musical Instruments Mfg. Co., Ltd. Apparatus, method and computer program for switching musical tone output

Also Published As

Publication number Publication date
AU474757B2 (en) 1976-07-29
GB1415987A (en) 1975-12-03
BE814183A (fr) 1974-10-25
IT1004277B (it) 1976-07-10
JPS5015533A (fr) 1975-02-19
DE2420159A1 (de) 1974-11-14
AU6821974A (en) 1975-10-30
CH583952A5 (fr) 1977-01-14
LU69928A1 (fr) 1974-11-21
NL7405564A (fr) 1974-10-29
FR2227590B1 (fr) 1978-09-15
FR2227590A1 (fr) 1974-11-22
CA990553A (en) 1976-06-08

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