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Old 25 Jul 2003, 09:26 AM   #1
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Default Audio Control Problems

Of the movies I have downloaded five have a problem of the audio surging, like going real high then fading real low, they all are Ac3 audio. I have the Ac3 filter installed. Is there a setting that needs to be made in the Ac3 filter to cure this problem?
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Old 25 Jul 2003, 04:38 PM   #2
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hope you use ac3filter, you can apply realtime dynamic compression/normalisation.
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Old 25 Jul 2003, 10:23 PM   #3
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Iam using Ac3 filter. What is (realtime dynamic compression/normalisation.) Is that a setting in Ac3 filter??
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Old 25 Jul 2003, 10:55 PM   #4
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picture taken from ac3filter.sourceforge.net
check normalize and set master gain to 100%
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Old 25 Jul 2003, 11:12 PM   #5
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I will try that. You have file running in ac3 in your picture How do you load a file into ac3 ??
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Old 26 Jul 2003, 12:59 AM   #6
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you don't load a file into a filter:
when you use an application like media player, it detects what kinds of codecs it needs to render each stream of your file..
so: play a movie with an ac3 stream under media player (classic), go to ac3filter properties and you 'll see ac3filter "in use".
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Old 26 Jul 2003, 02:25 AM   #7
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I understand. I set all of the settings in ac3 to default except the gain and it works perfect. THANK YOU KINDLY!!
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Old 19 Aug 2003, 12:48 AM   #8
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Question-2 Surging problem with AC3 filter

Just a quickie... I too have had this surging problem with the ac3 codec. I tried to do as suggested and alter the settings, but I noticed that in your screen grab something actually appears to be happening in the properties screen! I am using Media Player 9 and even when there is a video playing and there is audio being decoded, nothing appears to be happening in the ac3 filter properties dialogue.
Is there something I am doing wrong?
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Old 19 Aug 2003, 05:47 AM   #9
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I've never used such a player (wmp9) but I'm pretty sure you can't go to the filter properties from wmp9.
play your video-ac3 file with WMP6.4 (Start->Run->"mplayer2.exe") then go to File->Properties...
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Old 8 Jun 2004, 10:52 AM   #10
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i think im havint the same exact problem but for some reason only divx can play the audio at all, but in the beginning it plays fine but when i start skipping between parts in the movie i hear a loud CLICK then the volume lowers dramaticly...

ive had the AC3Filter for a while already, and its still happening...

i noticed in the pic BoF posted that there were things changing and it knew all the info in the bitstream information section part... why is it that when i open mine the levels and cpu usage arent changing and the chennels says 1+1 - Dual mono, sample rate, bitrate, freq, frames/errors are all set to 0... its like that even when im playing a movie with ac3 audio in divx...

i tried reinstalling ac3filter and still same problem... im kinda stuck with nothing to do... can anyone help me???

im on windows xp pro, intel 3gh 800fsb, 512mb pc3200 memory, and I NEED HELP!!
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