手册里的说明，自己看吧！唉。。。
Patch Names
(Pro Tools 6.0 Only)
Pro Tools supports XML (Extensible Markup
Language) for storing and importing patch
names for you external MIDI devices. Pro Tools
installs MIDI patch name files (.midnam) for the
factory default patch names of many common
MIDI devices. These files reside in directories,
sorted by manufacturer, in Root/Library/Audio/
MIDI Patch Names.
To import MIDI patch names into Pro Tools:
1 Verify the MIDI Device name in Audio MIDI
Setup (Setups > Edit MIDI Studio Setup).
2 Verify the MIDI track’s output is correctly assigned
to the MIDI device.
3 Click the MIDI track’s Program button.
4 In the Program Change dialog, click the
Change button.
5 In the resulting Open dialog, navigate to
/Library/Audio/MIDI Devices/MIDI Patch
Names, and select the MIDI Patch Name file
(.midnam) for the MIDI device.
6 Click Open.
7 The Program Change dialog will be populated
with patch names and the Patch Name Bank
pop-up menu will appear in the upper left hand
corner of the window.
Once patch names have been imported into
Pro Tools, they will be available for that MIDI
device in all sessions.