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Old 27th April 2014, 14:37   #9  |  Link
Richard1485
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Quote:
Originally Posted by zee944 View Post
Now the question is: is my first script "right"? Should I handle a DTS track the very same way as an AC3 track? Will my stereo mix be good?
The script looks right. The downmix is fine, but I prefer this.

Code:
flr = GetChannel(a, 1, 2)
fcc = GetChannel(a, 3, 3)
lrc = MixAudio(flr, fcc, 0.3694, 0.2612)
blr = GetChannel(a, 5, 6)
MixAudio(lrc, blr, 1.0, 0.3694)
I normalize after downmixing to stereo. If you're concerned about dynamic range simply because you want to listen in a home environment, you can recompress to AC-3 at a bitrate that is high enough to be transparent (e.g. 384 kbps) and apply a DRC profile and dialnorm value e.g. film standard and -27. You can do this with WAV to AC3 encoder. I do this quite often for friends who dislike high dynamic range. Give it a try.
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