In
the Player Settings pane of the Preferences dialog box, you can
select the default player. Adobe Premiere Pro
uses the player to play media from clips and sequences for the following:
Source Monitor
Program Monitor
the preview area at the top of the Project panel
Trim Monitor
Multi-Camera
Monitor
the video transition preview in the Effect Controls panel.
You
can choose the default player for your computer, or a third-party
plug-in player for Adobe Premiere Pro. Third-party
players are installed with some capture cards.