Alterer and Limiter

Limiter and alterer are semantically related. In some cases you can use "Limiter" instead a noun "Alterer".

Limiter noun - Electronics) a nonlinear electronic circuit whose output is limited in amplitude; used to limit the instantaneous amplitude of a waveform (to clip off the peaks of a waveform.

Alterer and limiter are semantically related. You can use "Alterer" instead a noun "Limiter".