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AC3 audio volume
I noticed that when I encode audio to AC3 Pro in Vegas the level in the resulting file goes down considerably. I’m using the settings as they are, the only parameter I change is the bitrate to 448 kbps. Does anybody know why this happens?
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2 Replies
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I can’t explain the technical reason as to why this happens but here’s the workaround.
Encode set to AC3 Pro;
Click on Custom tab;
On the first tab, set diag. norm to “-31”;
On the last tab marked Preprocessing, set the Line Mode Profile and RF Mode Profile mode to “none”;
Save this as a preset. -
Excellent. That worked. I wonder why they would set the default to parameters that produce such a level loss.
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