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Old 2005-12-21, 05:48   Link #1
anim8td_fan
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Join Date: Dec 2005
Voice trouble

I was trying to catch up on some of the newer eps of an anime and I noticed that vocals in the opening song can hardly be heard and the voices in the show were real quiet and background music was unaffected.

I have followed the guides to unregistereing all the codecs and installing the newest ffdshow and it has not fixed my situation. Is there some kind of new audio codec that I dl to fix my problem?
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Old 2005-12-21, 06:10   Link #2
NoSanninWa
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Let me get this straight: Only the voices were muted, while the background music is at full volume?

Since both voices and background music are on the same audio track, it seems unlikely that this could be a codec problem. It is more likely that the equalizer settings for your video player or audio card were messed with so that the audio range containing most of the vocals were lowered.
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Old 2005-12-21, 09:02   Link #3
TheFluff
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If the anime in question has 5.1 audio (unlikely, but possible, even for a fansub), you should turn on downmixing to stereo (unless you really have a 5.1 speaker system).
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17:43:13 <~deculture> Also, TheFluff, you are so fucking slowpoke.jpg that people think we dropped the DVD's.
17:43:16 <~deculture> nice job, fag!

01:04:41 < Plorkyeran> it was annoying to typeset so it should be annoying to read
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Old 2005-12-21, 12:09   Link #4
Sylf
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Very unlikely, but make sure you don't have some plug-in for your media player that simulates the karaoke machine - mutes the "center channel" (it guesses by tones that has equal voumes on left and right channels) to create such effect.
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Old 2005-12-21, 15:24   Link #5
anim8td_fan
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I solved my problem by again un-registering my codecs and downloading the Combined Community Codec Pack and resetting the registered codecs using the filterreset.bat file from another thread.
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Old 2006-01-10, 04:50   Link #6
k1i8l7lu
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You don't have to do that. All you have to do is get windows media player classic. Goto options ----->Filters ----->Audio Decoders and check Normilize, and your problem is fixed.
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Old 2006-01-10, 19:34   Link #7
Nicholi
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Not really...that isn't a solution for anything he described. CCCP doesn't use normalizing at all, it probably was multichannel audio and he was not downmixing to 2ch. Most properly edited 5.1 audio keeps the vocals in the center channel which he probably was not getting any of.
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Old 2006-01-11, 02:42   Link #8
k1i8l7lu
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No. the problem is the ffdshow codec, it still has allot of bugs. one of them being screwing with the audio on divx encoded video. My solution will work because i had the same exact problem. It's the best way to fix the problem.
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Old 2006-01-11, 07:09   Link #9
TheFluff
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Quote:
Originally Posted by k1i8l7lu
No. the problem is the ffdshow codec, it still has allot of bugs. one of them being screwing with the audio on divx encoded video. My solution will work because i had the same exact problem. It's the best way to fix the problem.
Great that you managed to discover a bug that none of the CCCP betatesters have experienced yet. Now, this would normally be a good thing... but noone of them, including myself, can reproduce this. My conclusion: you don't know what you're talking about, or are using an ANCIENT ffdshow version.

Additionally, normalization is a good way to make the audio randomly sound like crap, due to bad implementation of it (normalization is inherently a two-pass process, and trying to do it one-pass is a really ugly hack).
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17:43:13 <~deculture> Also, TheFluff, you are so fucking slowpoke.jpg that people think we dropped the DVD's.
17:43:16 <~deculture> nice job, fag!

01:04:41 < Plorkyeran> it was annoying to typeset so it should be annoying to read
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Old 2006-01-11, 20:11   Link #10
Nicholi
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Well if the problem was the "ffdshow codec" how did he get it to work by using the CCCP? The CCCP uses ffdshow to decode nearly every audio format anime encoders put in their files (MPEG Audio, AC3, DTS, Vorbis, AAC major ones) and with the CCCP settings it is not using any Normalization at all. Your sense is unmaking, and I've also never noticed this Normalization suddenly bringing back the vocals either. I have however found that on a 2 speaker system, correctly demuxing the 5.1 (6 channel) audio to 2 channels will bring back the vocals as well as all the Surround L/R, and LFE channels.
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Old 2006-01-11, 21:41   Link #11
k1i8l7lu
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You just don't get it, its not up for debate. this is what it is, and this is how you fix it. I'm not telling you what i think, i'm telling you what is. It has nothing with demuxing the 5.1 or 7.1 audio. normalization fixes the problem and its sounds perfect. mabey this might be the problem in another situation, but its not with this one.

And on a side note lets be honest. Do betatesters ever catch everything?
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Old 2006-01-12, 00:03   Link #12
Nicholi
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Quote:
Originally Posted by k1i8l7lu
You just don't get it, its not up for debate. this is what it is, and this is how you fix it. I'm not telling you what i think, i'm telling you what is. It has nothing with demuxing the 5.1 or 7.1 audio. normalization fixes the problem and its sounds perfect. mabey this might be the problem in another situation, but its not with this one.

And on a side note lets be honest. Do betatesters ever catch everything?
That doesn't make any sense at all. This is how you fix it...but not in this situation? So how do you fix it in this situation?

I think you should only recommend answers when you actually know what the situation is and how to rectify it. Otherwise you are just misleading people with the wrong information. Especially since the problem was already solved without using any Normalization before you posted. So I see no reason why you even posted in the first place that Normalization was required, nor why you even continue to state that is the answer when the problem was fixed without any use of Normalization. Which is about the only reason I am still posting here.

It is called downmixing by the way, not demuxing (demultiplexing) which is something totally different. When you have 2 speakers but the audio is 6 channels guess what you don't get 4 of those channels unless you downmix (with software or hardware) to 2 channels. As I said before most properly authored multichannel audio keeps the vocals (people speaking and such) in the Center channel. If you didn't downmix a multichannel file as such you wouldn't be hearing any vocals or you would only hear the very little that is part of the FL and FR channels. I don't know how you believe exactly that an audio file was specifically encoded with extremely low vocals, nor how Normalization specifically picks up only vocals in an audio file and increases their gain value. But in this case you are running into a brick wall and you are just wrong.

Last edited by Nicholi; 2006-01-12 at 00:14.
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