Sound unit and Unit of measurement

Sound unit noun - Any acoustic unit of measurement.

Unit of measurement and sound unit are semantically related. In some cases you can use "Unit of measurement" instead a noun phrase "Sound unit".

Unit of measurement noun - Any division of quantity accepted as a standard of measurement or exchange.

Sound unit and unit of measurement are semantically related. Sometimes you can replace phrase "Sound unit" with "Unit of measurement", this phrases are similar.