Mix Audio tracks with offset in SOX

Question

From ASP.Net, I am using FFMPEG to convert flv files on a Flash Media Server to wavs that I need to mix into a single MP3 file. I originally attempted this entirely with FFMPEG

Answer 1

mixing can be pretty simple: how to mix two audio channels?

Answer 2

For what it's worth, this should be possible with a combination of -itsoffset and the amix filter, but a bug with -itsoffset prevents it. If it worked, the command would look something like this:

ffmpeg -i student.flv -itsoffset 3.3 -i teacher.flv -vn -filter_complex amix out.mp3

Answer 3

well i suggest you should use flash. it may sounds weird, correct me if im wrong but with Flash's new multimedia abilities you can mix a couple tracks.

im not sure, but i'm just trying to help you, theese 2 link can help you for your aim (specially second link i guess);

http://3d2f.com/programs/25-187-swf-to-mp3-converter-download.shtml

http://blog.debit.nl/2009/02/mp3-to-swf-converter-in-actionscript-3/