Yeah, I've used mencoder to make an ac3 after the fact; but what I'm looking for is something that can encode to ac3 in realtime, because I need to mix and monitor as I'm mixing.  Can mencoder do realtime?

On Tue, Jun 17, 2008 at 12:58 PM, Justin Smith <noisesmith@gmail.com> wrote:
On Tue, Jun 17, 2008 at 12:43 PM, Eric Steinberg
<eric.steinberg@gmail.com> wrote:
> I'm unable to build ac3jack on my Hardy system; stuck in dependency hell.
> Is there another way to output an AC3 stream so that I can mix audio for
> DVD?  Or is there a .deb somewhere for ac3jack?
>
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>

mencoder will convert just about any audio to ac3. I have heard of
trouble using mencoder to make mpeg for dvd burning, but you should be
able to at least convert the audio from pcm to ac3 using mencoder (I
think your command line options would end up being something like
"mencoder <foo.wav> -ovc null -oac lavc -lavcopts acodec=ac3". I am
not totally sure how to handle not having a video stream for the
conversion (perhaps mplayer is needed with the -dumpaudio option?).
The command line is a bit hairy for mencoder but I am sure there is a
way to make it do what you want here).
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