Specifications

Chapter 11: Sessions 177
When you save a copy of the session to a lower bit
depth, Dither (and Noise Shaping) are applied. See
the following table:
The dither setting used for any conversion is the
Dither plug-in with
Noise Shaping enabled.
Save Copy In Options
When saving a copy of a session, the Save Copy In
command provides options.
Session Format
When saving a copy of a session with the Save
Copy In
command, you can save the session copy
in the following formats, depending on your plat-
form:
Mac:
Latest; supports Pro Tools 10.x sessions (.ptx)
Pro Tools 7.x -> 9.x Session (.ptf)
Pro Tools 5.1 -> 6.9 Session
Pro Tools 5.0 Session
Pro Tools 4 24-Bit Session
Pro Tools 4 16-Bit Session
Pro Tools 3.2 Session
Windows:
Latest; supports Pro Tools 10.0 and higher
sessions (.ptx)
Pro Tools 7.x -> 9.x Session (.ptf)
Pro Tools 5.1 -> 6.9 Session
Pro Tools 5.0 Session
Dither and Noise Shaping with Save Copy In
Bit Depth Dither
Noise
Shaping
32-bit float to 32-bit float Yes Yes
32-bit float to 24-bit Yes Yes
32-bit float to 16-bit Yes Yes
32-bit float to 8-bit Yes No
24-bit to 32-bit float No No
24-bit to 24-bit No No
24-bit to 16-bit Yes Yes
24-bit to 8-bit Yes No
16-bit to 32-bit float No No
16-bit to 24-bit No No
16-bit to 16-bit No No
16-bit to 8-bit Yes No
For more information about using Dither,
see “Dither” on page 979.
When saving sessions to versions lower than
Pro Tools 5.1, multichannel tracks (includ-
ing stereo) and multi-mono plug-ins are lost.
In this case, separate the tracks and plug-ins
to individual mono tracks before saving as a
Pro Tools 5.0 session or lower.