2/4 beat: 2/4 beat is a quarter note, with 2 beats per measure, and there can be two quarter notes. Strong, weak.

3/4 beat: 3/4 beat is a quarter note, with 3 beats per measure, and there can be three quarter notes. Strong, weak, weak.

2/4 time icon:

3/4 time icon:

Extended information:

Time refers to the calculation of musical duration The unit of length. In the beat, many notes are based on one beat. Various notes are used, such as half notes, quarter notes, eighth notes, etc., as the basic beat, which has strong and unique characteristics. Weak step by step.

The tempo of music is determined according to the requirements of the music. For example, if the required speed of the music is 60 beats per minute, then each beat will occupy one-sixtieth of the time per minute, that is, One second, when the time value of the beat is determined, for example, when a quarter note is one beat, an eighth note is equivalent to half a beat, a whole note is equivalent to 4 beats, and a half note is equivalent to two beats.

Common music beats include: 1/4, 2/4, 3/4, 4/4, 3/8, 6/8, 7/8, 9/8, 12/8, etc. , the length of each section is fixed. The tempo of a piece of music is fixed at the time of composition and will not change. A piece of music can be composed of a combination of several beats.

Baidu Encyclopedia-Paizi