JPS59161194U - electronic musical instruments - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Figure 1 is a graph - to explain the envelope of an instrument's sound, Figure 2 is a graph showing the envelope on the low range side of the piano, Figure 3 is a graph showing the envelope on the high side of the piano, Figures 4 and FIG. 5 shows an embodiment of the electronic musical instrument according to the present invention, FIG. 4 is a block diagram, and FIG.
3 is a graph showing envelopes stored in a pre-memory. 1: Kurotsuta oscillator, 2: Keyboard, meter select ・
4: Controller, 5: First counter, 6: Tone forming circuit, 7: Envelope multiplication circuit, fJ, D/A
converter, 9: second counter, 10: envelope memory.

Claims (1)

[Scope of utility model registration request] A clock oscillator as a sound source, a selector provided at the subsequent stage that can select an arbitrary pitch, a first counter provided at the subsequent stage, a musical tone forming circuit provided at the subsequent stage, and a subsequent stage of the musical tone forming circuit. an envelope multiplication circuit for setting an envelope of musical tones, a D/A converter for converting a digital signal from the envelope multiplication circuit into an analog signal, and a second counter provided at a stage subsequent to the selector. an envelope memory provided after the second counter and for accommodating data to control the envelope of the envelope multiplication circuit; and a controller for synchronously controlling the second counter and the second counter.