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WO1983002508A1 - Metronome a signaux optiques et/ou acoustiques - Google Patents

Metronome a signaux optiques et/ou acoustiques Download PDF

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Publication number
WO1983002508A1
WO1983002508A1 PCT/CH1982/000006 CH8200006W WO8302508A1 WO 1983002508 A1 WO1983002508 A1 WO 1983002508A1 CH 8200006 W CH8200006 W CH 8200006W WO 8302508 A1 WO8302508 A1 WO 8302508A1
Authority
WO
WIPO (PCT)
Prior art keywords
sequence
note
metronome
output device
optical
Prior art date
Application number
PCT/CH1982/000006
Other languages
German (de)
English (en)
Inventor
Walter Pepersack
Charles Jungo
Original Assignee
Walter Pepersack
Charles Jungo
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 Walter Pepersack, Charles Jungo filed Critical Walter Pepersack
Priority to PCT/CH1982/000006 priority Critical patent/WO1983002508A1/fr
Publication of WO1983002508A1 publication Critical patent/WO1983002508A1/fr

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/02—Metronomes
    • G04F5/025—Electronic metronomes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B15/00—Teaching music
    • 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
    • G10H1/0008—Associated control or indicating means
    • 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
    • G10H1/18—Selecting circuits
    • G10H1/26—Selecting circuits for automatically producing a series of tones

Definitions

  • the invention relates to a metronome with optical and / or acoustic signaling at an adjustable beat frequency, an input device being provided for inputting a sequence of note or pause values which forms at least one cycle duration, and furthermore a memory for the input sequence, a circuit for the repeatable generation of control signals corresponding to the input sequence taking into account the set beat frequency and at least one optical output device responsive to these control signals.
  • the invention also relates to a method for operating a metronome.
  • Metronomes have an acoustic and at the same time optical signaling option. Acoustic and optical signals are generated at regular intervals, which are audible and visible in the set beat frequency as beats and thus serve as a measure of time when practicing or performing musical pieces. Metronomes of the known type have the disadvantage, which is of particular importance for people who are less musically versed, that they are pure strikers which, regardless of the time signature and rhythm must deliver uniform signals.
  • Output device is designed in such a way that each note value of the sequence can be optically displayed in a manner characteristic of it within the course of time of at least one cycle duration.
  • the solution according to the invention has the advantage that after inputting the sequence of interest or pause values of interest, which is also readily possible for the beginner, the corresponding rhythm is generated in the selected beat frequency and its sequence can be detected optically.
  • the beat frequency can first be set low for exercise purposes and later increased without influencing the entered clock structure.
  • the metronome preferably has an optical output device according to claims 2 and 3 or 2 and 4. This makes it possible in a simple manner to implement the chronological sequence of the note values or pauses in a spatial sequence, which improves the clarity of the sequence and thus the learnability -
  • OMPI ter facilitates and allows greater precision in understanding the rhythm.
  • the memory provided according to claim 1 for the entered sequence of note or pause values has a capacity for recording a sequence comprising several clock durations. This has among other things the advantage that clock changes can also be represented and the rhythm of longer musical topics can be generated. Exemplary embodiments of the
  • FIG. 1 shows the front view of a metronome according to the invention with its most important operating elements;
  • Fig. ' 2 shows a further possible embodiment of the optical output device;
  • FIGS. 4a and 4b a corresponding circuit in detail.
  • 1 shows an embodiment in front view, as the user has it in front of him.
  • the metronome is located in a housing 1, which has a relatively low height, so that it can be arranged under the sheet of music on a music stand.
  • a holding strap 2 or other suitable means, such as clips, can be used for attachment to the music stand.
  • the metronome is advantageously arranged such that both the note image and the front plate 3 of the metronome can be seen at a glance.
  • the most important operating and display elements are arranged on the front panel 3.
  • a keypad 4 is used to enter the sequence of note or pause values which is to be reproduced.
  • the input process proceeds as follows: after switching on the device by means of a switch 5 and pressing a reset button 22, successive Pressing the correspondingly labeled touch buttons 6 or pause buttons 7 type in the rhythm to be played. Punctured notes are entered by pressing a puncturing key 8 after pressing the corresponding notation key 6.
  • a triplet key 9 is provided for inputting triplets, which is actuated before the input of three note values which represent the triplets in the note image.
  • the cycle end key 10 is actuated, which in the optical display, as will be explained in more detail below, causes a reset to the beginning.
  • note or pause values up to the note total 1 can be entered within one bar, ie up to 16 sixteenth notes or two quarter notes and eight sixteenth notes etc. per bar. Of course, for example, to display a 3/4 measure, note or pause values can also be entered that together make up less than the value 1.
  • the most important clock types can thus be set. In the present exemplary embodiment, up to 8 cycles can be typed in contiguously, cycle changes, for example from 3/4 cycle to 4/4 cycle and back, are also readily possible.
  • the optical output device 13 for signaling serve an optical and an acoustic output device, which are described Fitted in the following de- ".
  • the optical output device 13 according to Aus ⁇ guide of Fig. 1 consists of a series of opti ⁇ rule display elements, such as formed by Leuchtdio ⁇ dengol 14, which is divided into groups of four in total, four groups of four are provided , in that the corresponding light-emitting diodes light up successively in the frequency of the smallest representable note value, and remain in this state until the note duration has expired , in which the smallest representable note values are sixes hntelnoten are, for example, third quarter note is by sequentially Auf ⁇ 14 lights the light emitting diodes of the third group in the rhythms' shown us the sixteenth notes. When the quarter note expires, the whole group goes out at the same time.
  • each diode only lights up for the duration of a sixteenth note and then immediately extinguishes again.
  • a rhythm in an odd cycle such as the 3/4 cycle
  • the entire row 13 of the optical display elements is not run through, and the display is reset to the beginning after one cycle time.
  • the last group of four of the display elements 14 therefore remains unused.
  • Breaks are represented by skipping a corresponding number of display elements, with no element lighting up during the duration of the break.
  • the display elements corresponding to the breaks light up dimly or that elements of different colors are provided for this purpose.
  • the described optical output device can be used to represent rhythms in the most varied time signatures, whose note values per measure do not exceed the sum of 1, for example in 2/2, 2/4, 4/4 * 7 3/4, 6/8 time, etc., which are the most common time signatures.
  • FIG. 2 shows a further possible optical * output device which is operated essentially the same as that explained above, but the individual note values can also be represented as such.
  • the note values drawn in FIG. 2 are to be understood as electrode arrangements for a liquid crystal display, which become visible only when actuated and are otherwise imperceptible.
  • the lowest row of electrodes 15 is used to represent
  • Duration visible For example, 1 appears in the representation of a quarter note during its duration, on the one hand an element of the row 17 (without puncturing), while the chronological sequence of this note value can be seen from the mode of operation of the lowest display row 15 already described. Dotted notes are identified by the additional appearance of a dot, as can also be seen in FIG. 2.
  • This arrangement has the advantage in particular for beginners that the display largely corresponds to the note image with regard to note values.
  • an acoustic output device is also provided which can be set or switched off to the desired volume by means of an actuation button 20 (FIG. 1).
  • the acoustic output device has a loudspeaker, which is preferably arranged on the bottom or top of the housing 1 (not shown) and which generates a tone of a certain frequency, preferably 440 Hz, so that the instruments are then tuned at the same time can. Its duration depends on the value of the note to be displayed, but is shortened by a fixed amount of time so that successive notes can be distinguished without a break.
  • an external output can be provided, to which, for example, a headphone or a tape can be connected. 5 can During use of the metronome "first 'can be used together with the optical output device, the acoustic output device, is learned until the rhythm. Thereafter, the optical display can be used alone and accurate reproduction ensure
  • the metronome also has a decade, three-digit clock counter display 21 on its front plate 3.
  • the metronome is started up by pressing the "Start" button, the number of
  • the measure counter is reset to 0 each time a reset button 22 "Reset" is pressed.
  • an expression rate TERNER terminal 23 is arranged on the front panel 3, an expression rate TERNER terminal 23 by means of which several • Metronome of the type shown electrically undereinan ⁇ that can be connected. This makes it possible to start several metronomes at the same time, so that in one
  • the keypad 4 is connected to a first input unit 24. Furthermore, the decimal switch 12 is connected to a second input unit 25. These input units are connected by means of an 8-bit data bus 26 to a microprocessor and memory 27 for the entered note sequence.
  • the microprocessor 27 has a quartz oscillator 28 which oscillates at a frequency of 4 MHz.
  • the microprocessor 27 is connected via an 11-bit address bus 29 to a read-only memory 30, in which an operating program is permanently stored.
  • the fixed value memory 30 is in turn connected to the 8-bit data bus 26, which leads to an output unit 31.
  • the optical output device 13 with several light-emitting diodes, a clock counter 32 with the clock counter display 21 and an oscillator 33 with loudspeaker 34 for acoustic signaling are connected to this.
  • the first input unit 24 has a 2 ⁇ 8-bit input register 50, via which the commands entered by means of the keypad 4, which contains the keys shown in FIG. 1 (without the reset key 22), on the 8-bit Data bus.
  • the second input unit 25 has an 8-bit input register 36, to which a BCD switch 25a, 25b is connected for the tens and one input of the time measure.
  • the hundred units are entered via a BCD switch 25c, which is part of the first input unit 24 and can be set to the values 0.1 or 2.
  • the microprocessor 27 processes 8- - 10-bit words with a cycle time of 1 us and has a read / write memory with a capacity of 128 bytes, in which these notes are stored. As mentioned, this allows the entry of a sequence of 8 measures.
  • the working clock of the device as well as the beat frequency and the note duration are derived from the 4 MHz crystal oscillator 28.
  • the reset button 22 is connected to a reset input 35 via a circuit 37 for eliminating switch bounce effects, which also has the external reset connection 23.
  • a clock counter reset circuit 38 is provided, which is also connected to the reset input 35 of the microprocessor 27.
  • the microprocessor 27 is connected via an 11-bit address bus to a read-only memory 30 which has a capacity of 2048 8-bit words.
  • the read-only memory contains the program for the functional sequences explained. It is not shown here to reproduce this program because, due to the described mode of operation of the metronome, it lies within the range of the skilled person and is not the subject of the invention.
  • the output unit 31 has a 2 ⁇ 8-bit output register 39 and two 8-bit buffer registers 40, each of which is connected to 8 LEDs 14.
  • the output unit 31 is also connected to the clock counter 32, which is BCD-coded.
  • the clock counter is off * output side, a BCD-7 connected to a display unit 41 and multiplexed segment andler 42, is operated by means wel ⁇ chem the TaktCentralan Attache 21st As already mentioned, the clock counter can be set to zero by means of the clock counter reset circuit 38.
  • the output register 39 also has the 440 Hz oscillator 33 with loudspeaker 34 at an output.
  • a power supply unit provides the necessary supply voltages.
  • a rechargeable battery can also be provided for this.
  • the device described has the advantage that any desired rhythm can be generated within the framework of the typable note or pause values, whereby the optical output device can be used to achieve a signal which represents the time sequence.
  • This allows precise reproduction of the rhythm even after switching off the initially useful acoustic signaling, which later often becomes disruptive when playing music, since not only the length of time that has already elapsed, but also the one that is still to come, is visible, especially with longer note values.
  • conventional metronomes not only the beginning of a note value but also the end of it is clearly defined.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

Le métronome comprend un clavier (4) grâce auquel il est possible d'introduire une séquence de notes ou de silences de différentes valeurs. Un commutateur décimal (12) permet de sélectionner la cadence. La séquence de notes ou silences introduite peut couvrir jusqu'à huit mesures, et en appuyant sur une touche de départ (11), on peut obtenir qu'elle soit reproduite de façon répétée par une unité de sortie optique (13) et/ou par une unité de sortie acoustique à la cadence sélectionnée. L'unité de sortie optique comprend 16 diodes électroluminescentes (14) réparties en groupes de quatre qui affichent mesure après mesure la séquence introduite. Les notes ou silences ayant une valeur plus longue sont exprimés dans le temps par l'allumage successif de diodes électroluminescentes correspondantes dans le même rythme que les notes à valeur plus courte, mais ces diodes ne s'éteignent qu'à la fin de la note à valeur plus longue reproduite, toutes simultanément. Un compteur de mesures (21) retient le nombre des mesures sorties. Un bouton de réglage (20) permet de mettre en circuit l'unité de sortie acoustique.
PCT/CH1982/000006 1982-01-14 1982-01-14 Metronome a signaux optiques et/ou acoustiques WO1983002508A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CH1982/000006 WO1983002508A1 (fr) 1982-01-14 1982-01-14 Metronome a signaux optiques et/ou acoustiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH1982/000006 WO1983002508A1 (fr) 1982-01-14 1982-01-14 Metronome a signaux optiques et/ou acoustiques

Publications (1)

Publication Number Publication Date
WO1983002508A1 true WO1983002508A1 (fr) 1983-07-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1982/000006 WO1983002508A1 (fr) 1982-01-14 1982-01-14 Metronome a signaux optiques et/ou acoustiques

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WO (1) WO1983002508A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0315267A3 (fr) * 1987-11-04 1991-01-23 Enterprises 33 Limited Dispositif métronome
WO1995012189A1 (fr) * 1993-10-27 1995-05-04 Freeman, Jacqueline, Carol Appareil d'analyse du language
US7385128B2 (en) 2004-12-06 2008-06-10 Tailgaitor, Inc. Metronome with projected beat image

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2508509A1 (de) * 1975-02-27 1976-09-02 Rainer Dr Boehm Anzeige-einrichtung fuer tempo und/oder takt
DE2547632A1 (de) * 1975-10-24 1977-04-28 Alfons Dipl Ing Roschel Rhytmusgeber
US4089246A (en) * 1976-08-09 1978-05-16 Kooker Stephen L Musical rhythm-tempo tutoring device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2508509A1 (de) * 1975-02-27 1976-09-02 Rainer Dr Boehm Anzeige-einrichtung fuer tempo und/oder takt
DE2547632A1 (de) * 1975-10-24 1977-04-28 Alfons Dipl Ing Roschel Rhytmusgeber
US4089246A (en) * 1976-08-09 1978-05-16 Kooker Stephen L Musical rhythm-tempo tutoring device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0315267A3 (fr) * 1987-11-04 1991-01-23 Enterprises 33 Limited Dispositif métronome
WO1995012189A1 (fr) * 1993-10-27 1995-05-04 Freeman, Jacqueline, Carol Appareil d'analyse du language
AU682901B2 (en) * 1993-10-27 1997-10-23 Talal Al-Housseini Language analysis instrument
US6056552A (en) * 1993-10-27 2000-05-02 Al-Housseini; Talal Language analysis instrument
US7385128B2 (en) 2004-12-06 2008-06-10 Tailgaitor, Inc. Metronome with projected beat image

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