Sound Control Device, Method of Controlling Sound Control Device, Electronic Musical Instrument, and Non-Transitory Computer-Readable Storage Medium

A non-transitory computer-readable storage medium storing a program which, when executed by at least one processor, causes the at least one processor to:

• obtain performance information including:
• sound pitch information indicating a sound pitch;
• and
• sound volume information indicating a sound volume detected as a continuous quantity;
• determining a note start and a note end based on a comparison between the sound volume and a sound-volume threshold and based on a change in the sound pitch;
• and
• when it is determined that there is a predetermined way of change in the sound volume, determining a time of the change as the note end and determining the time as the note start, irrespective of the comparison between the sound volume and the sound-volume threshold.

A computer-implemented method of controlling a sound control device, the method comprising:

• obtaining performance information including:
• sound pitch information indicating a sound pitch;
• and
• sound volume information indicating a sound volume detected as a continuous quantity;
• determining a note start and a note end based on a comparison between the sound volume and a sound-volume threshold and based on a change in the sound pitch;
• and
• when it is determined that there is a predetermined way of change in the sound volume, determining a time of the change as the note end and determining the time as the note start, irrespective of the comparison between the sound volume and the sound-volume threshold.