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My Pro Audio 9 Files Sound Louder/Softer When I
Open Them in SONAR
Pro Audio 9 has a setting in the Audio Options dialog box called MIDI Volume Mapping. This
setting determines how many dB that a movement of a volume fader produces. This setting is not
stored in each project file, so SONAR can’t tell precisely what dB scale was used to produce the file
you’re opening. If the volume sounds incorrect:
1. Open SONAR’s Aud.ini file (find it in your SONAR folder and double-click it).
2. Change the line that says VolMethod=n. If n=1, change n to 0; if n=0, change n to 1.
3. Save the file and close it.
4. Reopen the Pro Audio file in SONAR. If the volume sounds correct, save the file in SONAR.
If other Pro Audio 9 files were opening correctly in SONAR, change the VoMethod=n line in
SONAR’s Aud.ini file back to what it originally was, and re-save the file.
SONAR Can’t Find the Wavetable Synth or MPU401
Follow this procedure:
1. Open the Audio Options dialog (Options > Audio command), and on the Advanced tab, check
the Always Use MME Interface, Even When WDM Drivers Are Available option.
2. Click OK to close the dialog.
3. Close SONAR and reopen it.
4. Use the Options > MIDI Devices command to open the MIDI Devices dialog.
5. Highlight the Wavetable synth and/or the MPU401 (or whatever synth your sound card contains).
6. Click OK to close the dialog.
Now your sound card synth and/or the MPU401 should appear in the drop-down menus of the
Output fields of your MIDI tracks.
I Get an Error Message When I Change a Project to
24-bit Audio
Some audio devices, especially USB devices that use WDM drivers, can not operate in 24-bit mode
unless a variable in SONAR’s Aud.ini file is set to 1. The variable is Use24BitExtensible=<0 or 1>,
which goes in the [name of your audio device (‘n’ in, ‘n’ out)] section.
For more information, see the Initialization File topics in the online help.
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