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The most important parameter and at the same time a characteristic that describes the reverb effect in the best way is the reverberation time. It is the time that passes between the sound has been made till its volume lowers by 60dB. Basically it’s the time after which we can only hear faint traces of the sound after the source stopped making this sound.

This effect can, depending on its version, have many parameters, such as reverberation time (described above), a pre-delay (a parameter useful in making the effect more believable, described below), dispersion and tonality (to set, appropriately, how well the walls absorb the sound and which frequencies are better absorbed by them). Apart from these parameters we can also set the standard parameters like dry and wet (they determine how much of the original signal gets through and how much signal with reverb gets through).

No reverb

With reverb

It is worth describing what pre-delay actually is. It corresponds to the time between the original (dry) sound and the beginnings of early reflections and the reverb’s tail. Setting the parameter carefully can greatly increase the clarity of the mix by moving the reverb’s tail and making space for the vocals, greatly increasing their presence and making them easier to understand.