The ffdshow audio decoder configuration shortcut should be in the start menu and it's a good idea to open it and uncheck all the filters before you start encoding but only do it while ffdshow is not currently running otherwise it mightn't keep the setting (if it's running with an icon near the clock whichever settings it's using when the last instance is closed are the settings it'll remember). I sometimes use the DirectShow method of decoding when all else fails or I want to process the audio in some way while encoding, but of course it's fairly important to uncheck all of ffdshow's filters when encoding unless you know you want to use one as you probably won't be encoding it "as-is" with any of them enabled. however there's always a chance the DirectShow decoder may be altering the audio in some way as it's decoding, and in the case of ffdshow it has all sorts of filters which can do anything from mixing multichannel audio down to stereo to adjusting the volume to adding delays etc. well there's nothing wrong with doing it that way as such. well those two are a good place to start. If you have no luck with ffcoder there's a few convert anything to anything programs out there which are easy to use and free. Is it just that particular audio or is it encoding audio using MeGUI in general which is a disaster? Maybe it's a DirectShow decoder problem. It's as though the audio level has been raised by a ridiculous amount and it's distorting. I've got an AAC encoded version of that movie (well the audio part) and I definitely would have remembered if it sounded like that. Checking "show all files" will fix that, and the current version number of each should be displayed. Normally when the update window opens it probably only displays the tools for which there are updates. You can see which version of the various tools MeGUI uses (or most of them) by using the Options/Update menu. Once again, ffcoder use NeroAAC to do the AAC encoding. If you set the video encoder to "disable" you should be able to encode just the audio. I quite like it actually, it kind of feels like a more compact version of MeGUI in some ways. If you want to try another GUI for encoding the audio, ffcoder comes to mind. If so is it's volume filter (or anyother filter) enabled. If you have something like ffdshow installed it'll probably be decoding. I can't tell you why you're having audio problems, but I'd use the other decoders in preference to DirectShow to see if you luck improves. It's called HD Streams Extractor and it's under the Tools menu. I guess it went through a stagnant period a few years ago, but what software hasn't? MeGUI includes a GUI for running eac3to. Currently it's updated regularly enough to be annoying at times. Not that I think I've seen a lot of devices which don't support AC3, but I think I met a TV with a built in media player not so long ago. AAC is pretty much universally supported by media players. If I'm encoding audio, I always encode using Nero AAC with a quality setting of 0.50 (which is the default).
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