How To Know If Your Track Is Ready For Mastering?

Check this Info

RMS (Root Mean Square)

If your track have less than -5 rms, when you push it to 0 Db, is because something is wrong.

RMS is the average amplitude level ove certain preriod of time.

Basically it shows you how much dynamics you have.

TRUE PEAK

True Peak is the highes point an audio signal reaches on an analog system. In contrast the regular peak meters we see in our DAW calculate the same thin on a digital system.

If your true peak is higher than 0dB, it could cause clippiing in any amplifier/player.