Specifications

Chapter 11: POW-r Dither 61
chapter 11
POW-r Dither
(TDM and RTAS, Pro Tools HD and Pro Tools LE Only)
The POW-r Dither plug-in is an advanced type
of dither that provides optimized bit depth re-
duction. It is designed for final-stage critical
mixdown and mastering tasks where the highest
possible fidelity is desired when reducing bit
depth. For more information on dithering, see
Chapter 4, “Dither.”
POW-r Dither Controls
Bit Resolution
Use this pop-up menu to choose either 16- or
20-bit resolutions for POW-r Dither processing.
Set this control to the maximum bit resolution
of your destination.
16-bit Recommended for output to digital de-
vices with a maximum resolution of 16 bits,
such as DAT and CD recorders.
20-bit Recommended for output to devices that
support a full 20-bit recording data path.
Noise Shaping
Noise shaping can further improve audio perfor-
mance and reduce perceived noise inherent in
dithered audio. Noise shaping uses filtering to
shift noise away from frequencies in the middle
of the audio spectrum (around 4 kHz), where
the human ear is most sensitive.
POW-r Dither plug-in
The POW-r Dither plug-in does not run on
third party applications that use DAE.
The multichannel TDM version of the
POW-r Dither plug-in is not supported at
192 kHz. Use the multi-mono TDM or
RTAS version instead.
The POW-r Dither plug-in is not appropri-
ate for truncation stages that are likely to be
further processed. It is recommended that
POW-r Dither be used only as the last insert
in the signal chain (especially when using
Type 1 Noise Shaping).