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
amplitude-analytics
bazel-rules-nodejs
range-partitions
in-memory-cache
isometric
jira
minimist
pdf2htmlex
mongodb-csfle
wai-aria
pgadmin-5
google-api-js-client
variable-assignment
polygon
webdev.webserver
css-backgrounds
react-native-video
intersystems-cache
recursive-cte
staticresource
mobile-config
simulator
terraform-loop
lineargradientbrush
turbine
regex-group
upsetr
application-settings
foundry-slate
file-locking