The empty half beat is represented by an eighth rest.

The use of rests can create different emotional expressions in musical phrases. Rests are mainly named according to the length of the pause. They can be divided into double rests, full rests, half rests, quarter rests, Rests in eighths, rests in sixteenths, rests in thirty-seconds, and rests in sixty-fourths.

Extended information

Other writing methods

When it is impossible to abide by the above rules due to the narrow spectrum and other reasons, it is appropriate to shorten or extend the length of the stem. That's totally fine. Dots are written in the space to the right of the note head and the rest, not on the line. Rests are always recorded on the third line or close to the third line in Dan Fugan notation.

The dichotomous rest is written above the third line, and the full rest is written below the fourth line. In double-Fuqian notation, when each voice has the same rest, the notation of the rest is the same as that of single-Fuqian notation.

When individual voices rest, rests are written on the edge of the staff, or outside the staff. At this time, add lines should be used for full rests and dichotomous rests. Full rests are written below the additive line, and dichotomous rests are written above the additive line.

Baidu Encyclopedia - Rest