Until you get a correct and working workflow together I always always recommend only building DVDs of a couple of minute of footage and use re-writables.

Oh, and for the record, you cannot shoot "standard HD" on a Sony Z1. It's is an HDV camera shooting at 1440x1080i and not standard HD which would be 1920x1080. A nuisance that often costs me a lot of extra time because I tend to have to 'convert' to 1920 to get certain effects working.

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I'm not young enough to know everything!