Broadcast Products
Technical Bulletin 20-2013-168


SUBJECT:  DISCONTINUOUS VIDEO OR AUDIO WITH XDCAM PLAYBACK

DESCRIPTION

When a clip created with a non-linear editor (NLE) is played back, video or audio may be discontinuous.

The symptom occurs:

  With clips edited by an NLE

  When playing back multiple clips in succession or playing back a single clip repeatedly

  With the second or later clip/playback

The symptom does not occur with single clip playback.

COUNTERMEASURE

Using Unit

Play back clips one at a time with the SINGLE CLIP PB function (Setup menu 154) instead of with continuous playback.

Using NLE

Gather all clips necessary for continuous playback into a single clip, render the clip, then write the clip back to the disc.


NOTE:

The symptom is an effect of the sequence end code attached to the MXF file created by the NLE and is NOT a malfunction of the unit or disc. The sequence end code is defined with MPEG and is not a violation. Clusters of clips edited with an NLE are typically used to generate a single clip with no function to play back multiple clips in succession.


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