I assume you searched for AS3 AAC Encoder?
https://www.google.com/search?q=AS3+ACC+Codec&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a&channel=sb
Here is a commercial codec:
http://www.mainconcept.com/products/plug-ins/plug-ins-for-adobe/aac-encoder-fmle.html
Although it sounds like you need Flash Media Live Encoder.
You may also try looking at "Alchemy" options to get a C library into
your app.
On 8/15/2014 3:06 PM, Matthew Weir wrote:
Hey All,
I spent last night creating a module to publish video to YouTube Live, only to
find out that it only supports the AAC codec for audio. From what I can find,
Flash/Flex do not currently offer this codec to the microphone. Is this
something that is dependent on Flashplayer itself? Can we do anything about it
now that Apache has code access? Or is it even worth the effort? Does anyone
know a work around besides bouncing it off of a Wowza server (w/ audio
transcoding) to YouTube?
Here's a couple of posts about it, as something developers are looking for:
https://forums.adobe.com/thread/1114599
https://bugbase.adobe.com/index.cfm?event=bug&id=3694393
Thanks,
Matthew
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Jeffry Houser
Technical Entrepreneur
http://www.jeffryhouser.com
203-379-0773