Martin Audio ENGINEER Betriebsanweisung PDF herunterladen (Seite 58)

Engineer 418 & 818 User Manual Page 58

But when should the algorithm start to correct the input level? In some cases you might not mind small

variations in the level, or will want to allow for short periods of loudness. This can be set by the reaction time

and tolerance.

These parameters do just what their name suggests: The reaction time is the time in seconds a louder or softer

level will be allowed, after this your engineer will kick in and correct the signal. The tolerance is the maximum

amount of variation (either boost or cut) in dB’s you want to allow for.

A problem that could arise while the engineer is at work, is a sudden pause or unusually soft passage in the

music. We wouldn’t expect a human engineer to turn up the level in this case either, so we need a certain

threshold for the engineer to start working. This is set in dBFS.

Peak limiters

Sudden level changes are countered by the three peak limiters, so you won’t have to account for this when

setting the reaction time and tolerance. The peak limiters can be separately set for the low, mid and high

tones. They work like any normal limiter you’re used to.

Each limiter allows for an amount of “headroom”, which – again – allows you to tolerate peaks up to a

predefined level. The attack is set as a factor of the release time.

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Martin Audio ENGINEER Betriebsanweisung Seite 58