JPH0160285U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the overall configuration of an input control device for an electronic musical instrument according to the present invention, FIG. 2 is a block diagram showing an example of the pitch extraction digital circuit of FIG. 1, and FIG. 3 is a block diagram of the microcomputer shown in FIG. 2. FIG. 4 is a flowchart showing the main processing routine of the microcomputer in FIG. 2, and FIGS. 8 and 11 to 17 are timing charts to explain the operation of each step. FIG. 18 shows the display state of the display section. It is a diagram. PA...Pitch extraction analog circuit, PD...Pitch extraction digital circuit, MCP...Microcomputer, S
S...Sound source, PEDT...Peak detection circuit, ZT
S... Zero cross time acquisition circuit, TCC... Time constant conversion control circuit, PVS... Peak value acquisition circuit,
DSPD...display drive circuit, DSP...display section.

Claims (1)

[Claims for Utility Model Registration] (1) A musical sound generating means that extracts fundamental frequency data of an input waveform signal using a fundamental frequency extracting means, and generates a musical tone of a corresponding pitch based on the fundamental frequency data. an electronic musical instrument that generates a musical tone control signal based on the peak value of the input waveform signal detected by the peak value change detection means; a musical tone control signal detecting means for detecting a musical tone; and a musical tone generating means for controlling the musical tone generating means based on the musical tone control signal detected by the musical tone controlling signal detecting means, so as to start the musical tone to be generated from the musical tone generating means. and musical tone characteristic control means for controlling the characteristics of the musical tone; and generating musical tone control information at a point in time when instructing the start of sound generation of the musical tone based on the musical tone control signal detected by the musical tone control signal detection means; An electronic musical instrument comprising: a musical tone control information display means for displaying control information; and a display state holding means for maintaining the display state of the musical tone control information displayed by the musical tone control information display means. Display device. (2) The musical tone characteristic control means controls the musical tone generating means based on the musical tone control signal detected by the musical tone control signal detecting means, and determines the point at which the musical tone to be generated by the musical tone generating means starts to be produced. and a volume control means for controlling the volume of the musical tone, and the musical tone control information display means is configured to display information detected by the peak value change detection means based on the musical tone control signal detected by the musical tone control signal detection means. The display state holding means includes velocity value display state holding means for holding the velocity value displayed by the velocity value display means. A level display device for an electronic musical instrument according to claim 1, which is configured as a utility model. (3) The utility model registration claim 2, wherein the peak value change detecting means is constituted by maximum peak value detecting means for detecting the maximum value of the peak values of the input waveform signal detected within a predetermined period of time. level display device for electronic musical instruments.