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The mystery of the silent AC3 files
I’ve made several DVDs no problem. This current project consists of 30 chapters which I work up individually in Vegas 6.0b and then render to mpg2 and AC3 to import to DVDA 3.0c. Everything works fine in Vegas.
Now the mystery: the AC3 files that I’ve rendered in Vegas using the Default Template and imported to DVDA do not play. And no wave forms appear in the Media Properties window. Yet Windows Explorer shows a size for the files of 3Mb and greater.
When playing the .mpg files in WMP the audio is missing as well.
However, AC3 files from previous projects play fine in both DVDA and WMP.
Any ideas of what might be going on? Thanks.
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1 Reply
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Well, I did figure out some things.
When the Vegas File/Properties/MasterBusMode is set to “5.1 Surround” the rendered AC3 audio files imported to DVDA will play fine, but when the setting in Vegas is “Stereo” the imported files will not show a waveform and the audio will not play.
1. Does anyone know what might be causing the “Stereo” setting to produce non-viable files (the files do show “mass” in Windows Explorer, i.e. they have a size of 3Mb and greater, but when imported to DVDA the “flatline” on the timeline and appear empty).
2. Are there any potential problems I should be aware of when rendering audio using 5.1 Surround (I’m leaving the “joystick” controller on the audio tracks in Vegas in the middle default, untouched). (Also, I am rendering using an audio Custom Template based on the -31 dialog parameters discussed elswhere that has worked fine for me with Master bus setting on Stereo for several previous DVD projects).
Thanks for any feedback and suggestions.
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