52 VIDEO EDITORWorking with tracksThe Timeline consists of two types of tracks - video and audio. There is oneprimary video track, while the others are overlay tracks. (For details on overlaytracks, see “Overlay” on page 109).Single-track editingSingle-track editing means that clips and transitions share the same video track.When you insert and overlap two video clips on a video track, a default transition(as defined in the Preferences dialog box) will automatically be applied to theoverlapping section. If you want to apply your own transition, you can overlapvideo clips, then drag a transition from the Production Library and drop it onto theoverlapping segment of the clips.Adding or deleting tracksDepending on the scale of your project, you can add or remove tracks in theTimeline. To do so, right-click on the leftmost area of a track to open a menu. Youcan then choose whether to add or remove the current track, or to add or removemultiple tracks.The Track buttonsTrack name buttonWhen this button is pressed down, all the clips on the trackare selected.Lock or Unlock track buttonWhen a track is locked, the clips cannot be moved or edited. You can lockindividual clips by first selecting a clip and then select Edit: Lock.When you have more tracks available that can fit on the screen at one time,you can use the scroll bars to move up and down through the tracks. To lockboth the video and audio tracks when scrolling, click the Scroll Lock buttonat the top of the vertical scroll bar or the View: Scroll Lock command. Thenext time you scroll, both tracks move in unison.Track name button
