I have googled this but not getting a clear answer. As far as i understand FLV container format currently support the following audio formats MP3, ADPCM, Linear
asynctest
awtrobot
precompile-assets
performselector
object-composition
item-decoration
peephole-optimization
junos-automation
dotnet-publish
python-moderngl
microphone
void
bootstrap-tabs
markup-extensions
time-t
cyipopt
netbeans6.8
chromium
webhooks
sitecore7.2
rating
symfony-3.1
multiprecision
actframework
assemblyinfo
mutablelist
pushprovisioning
netflix-photon
comparator
map-projections
