Editing Clips with Multiple Audio ChannelsFinal Cut Express 2 introduced official support for merged clips a type of clip created in FCE by permanently linking up to 24 audio clips with a single video clip. Earlier versions of the program used workarounds to support clips composed of audio and video linked inside Final Cut Express, but "official" merged clips make it possible to reliably sync video with production audio recorded separately, while preserving separate audio timecode. Open the Item Properties window on any audio+video clip, and you'll see that each audio channel has its own data column (Figure 12.21 ). Figure 12.21. The Item Properties window displays separate tracking data for each audio channel.
Merged clips appear in the Viewer with multiple Audio tabs sufficient to accommodate the number of audio channels in the clip (Figure 12.22 ). When you open a merged clip in the Viewer, additional source track-targeting controls automatically appear in the Timelineone for each audio channel in the merged clip (Figure 12.23 ). Figure 12.22. This merged clip contains four channels of stereo audio, so two Audio tabs appear in the clip's Viewerone tab for each of the two stereo audio pairs.
Figure 12.23. When a clip with multiple audio channels is opened in the Viewer, additional source track-targeting controls automatically appear in the Timeline.
You can set separate source In and Out points for video and audio (Figure 12.24 ), but you can mark only a single set of audio edit points. Those audio edit points will be used on all audio channels when you perform the edit (Figure 12.25 ). Figure 12.24. You can mark split video and audio edit points in a merged clip, but you can mark only a single set of audio edit points.
Figure 12.25. When you perform the edit, the same audio edit points will be used on all audio channels.
You can trim edit points on individual tracks in the Timeline by overriding linked selection (Figure 12.26 ). You can also exclude selected audio channels from an edit by disconnecting source track-targeting controls on the tracks you wish to exclude before you perform the edit (Figure 12.27 ). Figure 12.26. Once the merged clip has been edited into the Timeline, you're free to trim the individual audio channels.
Figure 12.27. Disconnect the source targeting controls on tracks you want to exclude from a multichannel audio edit.
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