Audio in Camtasia .AVI files OK, very quiet after converting to .FLV

One client of mine is experiencing a strange problem with Camtasia. He records a presentation with audio and saves it as .AVI. The avi files have good sound quality - I heard it. However, when he wants to put the file online and converts the .AVI to .FLV, the sound is *very* quiet. Is there a common reason for this problem? Bad codecs perhaps?
tomfraAsked:
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MereteCommented:
flv only supports 16 bit resampling I believe.
What you using to convert from avi to flv?
try using a different converter.
http://www.videohelp.com/tools/SUPER
you may need a direct show filter to properly decode it like ffdshow
http://www.videohelp.com/tools?toolsearch=ffdshow
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tomfraAuthor Commented:
Merete: Thank you for your suggestions, I have forwarded them to the client. Unfortunately, I cannot try it myself. If your suggestions lead the client to a solution or help him find it, I will accept it.
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MereteCommented:
Thank you, if your client decides to try Super have him install the ffdshow then in Super select the codec to use ffdshow instead of Mencoder, Super may automatically recomend the right audio settings.
But now your client has options.
Using the ffdhsow tab
snaps included
The first shows ffdhsow as the codec of choice


Super-1.jpg
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MereteCommented:
And the ffdshow options
Super-options-for-flash.jpg
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tomfraAuthor Commented:
Merete: I did not get much feedback from the client yet. However, I will accept your solution as I believe it is something that will eventually get him on the right track.

Thank you for your time!
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