Specifications

DigiRack Plug-Ins Guide58
4 Choose MIDI > Click Options and set the
Click and Countoff options as desired.
5 Begin playback. A click is generated according
to the tempo and meter of the current session
and the settings in the Click Options dialog.
Dither
The Dither plug-in is designed for reducing
quantization noise when mixing or fading low-
level audio signals during word size reduction to
16-, 18-, or 20-bits.
Dither is a form of randomized noise used to
minimize quantization artifacts in digital audio
systems. Quantization artifacts are most audible
when the audio signal is near the low end of its
dynamic range, such as during a quiet passage or
fade-out.
The introduction of dithering can reduce these
quantization artifacts with very low-level noise,
minimizing artifacts as audio reaches low level.
With dithering there is a trade-off between sig-
nal-to-noise performance and less-apparent arti-
facts. Proper use of dithering squeezes better
subjective performance out of 16-bits (or what-
ever the destination bit-depth).
The most common application of dithering is to
use it on a master output mix as the last proces-
sor in the signal path when preparing a 24-bit
session for CD mastering. In this case, you
The Note, Velocity, Duration, and Output
options in this dialog are for use with MIDI
instrument-based clicks and do not affect
the Click plug-in.
Click Options dialog
Refer to the Pro Tools Reference Guide for
more
information on configuring Click op-
tions.
For more advanced dithering, use the Digi-
Rack POW-r Dither plug-in. See “POW-r
Dither” on page 60.
Dither plug-in