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There is a major difference between a MIDI clip and a WAV clip. A WAV clip's duration is uniquely determined by the content of the source file. However, the duration of a MIDI file depends on the tempo used. The tempo used is determined upon the creation of the clip, via the Tempo Source property.
MIDI files normally contain the tempo information for playback at the right speed. This tempo information enters in conflict with the tempo information found in the Interactive Music objects (Segment and parents). You have the choice of selecting the tempo of the source MIDI files, or use the tempo of the Interactive Music Hierarchy.
The following table lists the possible tempo sources:
|
Tempo Source |
Definition |
|---|---|
|
File |
The tempo contained in the MIDI file is used. |
|
Hierarchy |
The tempo specified by the MIDI clip's Interactive Music ancestry is used. |
To set the MIDI tempo source:
Select a Music object.
In the Property Editor, go to the MIDI tab.
In the MIDI Clip Tempo group, select the Source to use.
A MIDI clip's tempo can be changed after creation, but the duration is not affected. The duration may be changed via the clip handles. For more information, refer to Working with Clips.
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