View Full Version : HybridGain, what is that ?
ookzDVD
28th October 2002, 05:52
@DSPGuru,
If you don't mind could you explain me in short about HybridGain ?
Thank you.
JohnMK
28th October 2002, 06:19
I believe it's fundamentally similar to post-gain. That should tide you over until he can provide a more in-depth answer.
Also, DSPGuru, now that I know the rehuffed files work when inside of the ogg container, I have another question. Will these files eventually also be playable in Winamp? Is the seek problem in the rehuffing, or in the decoders? What needs to be fixed, in other words. Are the files screwed up forever, or just until Xiph implement a better decoder. Sorry for phrasing the question so many different ways, I just don't like to be misinterpreted. :) But, I trust you to get my drift at least now. I know either way that segher is working with Monty to get this issue ironed out long-term.
Also, can we be absolutely certain that ogg-ifying our AC3 soundtracks through OggMachine+Hybridgain will never, ever produce a max volume > 32767? IOW, clipping.
JohnMK
28th October 2002, 10:34
A suggestion, DSPGuru. Make BeSweet by default choose idle priority. Or at least allow for an option in OggMachine. Please?
DSPguru
28th October 2002, 19:59
Originally posted by ookzDVD
If you don't mind could you explain me in short about HybridGain ?
for 3/2 ac3 streams, this is a shortage for the command :
-azid( -g 10db -n1 ) -ota( -G max ) -lame( --scale 1 )
for all others it's :
-azid( -n0 ) -ota( -G max ) -lame( --scale 1 )
and in case you wonder, -lame( --scale 1 ) has no effect when encoding to ogg ;). same goes for -azid( -n0 ) for non-ac3 streams.
Originally posted by JohnMK
Are the files screwed up forever, or just until Xiph implement a better decoder.i believe a new decoder should already be available.
could be wrong..
Originally posted by JohnMK
Also, can we be absolutely certain that ogg-ifying our AC3 soundtracks through OggMachine+Hybridgain will never, ever produce a max volume > 32767? IOW, clipping. only death is guranteed in life ;).
i believe the probabilty for clipping in this mode is VERY low, and therefore it's advised to always use this switch. worst case scenario :
you openned the logfile and found out there were overflow(s) -
so you'll need to re-do the audio transcoding in this *particular* movie.
Originally posted by JohnMK
A suggestion, DSPGuru. Make BeSweet by default choose idle priority. Or at least allow for an option in OggMachine. Please? it's already possible to set the thread priority in OggMachine :o.
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