CROSS-REFERENCE TO RELATED APPLICATIONS

This application is based upon and claims the benefit of priority from the prior Japanese Patent Applications No. 2019-055952 filed Mar. 25, 2019, and No. 2020-009156, filed Jan. 23, 2020, the entire contents of which are incorporated herein by reference.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to an accompaniment control device that is applicable to electronic musical instruments.

2. Description of the Related Art

Conventionally, electronic keyboard musical instruments such as electronic keyboards and electronic pianos are known which have an accompaniment function for outputting accompaniment sounds in accordance with a user's musical performance. As such an accompaniment function, various techniques have been developed. For example, Japanese Patent Application Laid-Open (Kokai) Publication No. 04-243295 discloses a technique in which the sound volume of accompaniment sounds to be outputted are controlled in accordance with the presence and intensity of melody sounds that are inputted from a keyboard section, and whereby the melody sounds are highlighted.

SUMMARY OF THE INVENTION

In accordance with one aspect of the present invention, there is provided an accompaniment control device comprising: a control circuit which detects an input state of inputted melody sounds for each sound range, and controls a sound emission state of accompaniment sounds for each sound range in accordance with the detected input state of the melody sounds for each sound range.

In accordance with one aspect of the present invention, there is provided an electronic musical instrument comprising: a musical performance operation section; a control circuit; and a sound emission section, wherein the control circuit (i) generates melody sounds in accordance with a musical performance operation performed by a user using the musical performance operation section, (ii) generates accompaniment sounds corresponding to the generated melody sounds, (iii) detects an input state of the generated melody sounds for each sound range, and (iv) controls a sound emission state of the generated accompaniment sounds for each sound range in accordance with the detected input state of the melody sounds for each sound range, and wherein the sound emission section synchronizes the melody sounds with the accompaniment sounds whose sound emission state has been controlled for each sound range by the control circuit, and emits the melody sounds and the accompaniment sounds.

In accordance with one aspect of the present invention, there is provided a control method for controlling accompaniment sounds, wherein a device detects an input state of inputted melody sounds for each sound range, and controls a sound emission state of the accompaniment sounds for each sound range in accordance with the detected input state of the melody sounds for each sound range.

In accordance with one aspect of the present invention, there is provided a non-transitory computer-readable storage medium having stored thereon a program that is executable by a computer to actualize functions comprising: detecting an input state of inputted melody sounds for each sound range; and controlling a sound emission state of accompaniment sounds for each sound range in accordance with the detected input state of the melody sounds for each sound range.

The above and further objects and novel features of the present invention will more fully appear from the following detailed description when the same is read in conjunction with the accompanying drawings. It is to be expressly understood, however, that the drawings are for the purpose of illustration only and are not intended as a definition of the limits of the invention.

