Final Cut Pro 3: FireWire Output Disabled While Voice Over Set to DV Audio Input

The Voice Over audio input source cannot be set to DV Audio while external video is output through FireWire. Before DV Audio input can be used with the Voice Over tool, External Video (available from the View menu) must be set to off.

Symptom

An alert box with this message appears: "No sound recording devices are available" when you select the Voice Over tool.
DV Audio is not an available audio source selection when the Voice Over tool is open.

Solution

Turn External Video off from the View menu before recording audio from a DV source using the Voice Over tool.

Published Date: Feb 20, 2012