Digi XPress Specifications download pdf (Page 108)

DigiRack Plug-ins Guide102

Selecting Audio Delay Processing

Because AudioSuite Delay adds additional mate-

rial (a delay tap) to the end of selected audio,

make a selection that is longer than the original

source material to allow the delay tap to be writ-

ten into the end of the audio file.

Selecting only the original material, without

leaving additional space at the end, will cause

delay taps that occur after the end of the region

to be cut off.

Normalize

The Normalize plug-in optimizes the volume

level of an audio selection. Use it on material re-

corded with too little amplitude, or on material

whose volume levels are inconsistent (as in a

poorly recorded narration).

Unlike compression and limiting, which modify

the dynamics of audio material, normalization

preserves dynamics by uniformly increasing (or

decreasing) amplitude.

Max Peak At Specifies how close to maximum

level (clipping threshold) the peak level of a se-

lection is boosted. Set this value by adjusting the

Max Peak At slider, by entering a numeric deci-

bel value below the clipping threshold, or by en-

tering a percentage of the clipping threshold.

You can normalize stereo pairs together so that

two sides of a stereo signal are processed relative

to each other.

RMS/Peak Toggle Switches the calibration of

normalizing between Peak or RMS modes. Peak

normalizes the input signal at the maximum

possible level without clipping. RMS normalizes

the input signal at a level consistent with the

RMS (Root-Mean-Square) value, or the effective

average level of the selected region.

Normalizing Multiple Regions Across Tracks

When multiple regions are selected across mul-

tiple tracks, the Normalize plug-in can search

for peaks in two different modes:

Peak On Each Chan/Track Searches for the peak

level on a channel-by-channel or track-by-track

basis.

Peak On All Chans/Tracks Searches for the peak

level of the entire selection. If ten tracks are se-

lected, for example, the Normalize function will

ﬁnd the peak value from all ten.

To prevent clipping during sample rate con-

version, Normalize to no greater than the

range between –2 dB to –0.5 dB. Optimum

settings will vary with your program mate-

rial and your Conversion Quality setting (in

the Editing tab of the Preferences dialog).

Normalize plug-in

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