converting file using ffmpeg (ogg->mp3)

outline converting mp3 files to ogg files using Windows Powel Shell. script $files = Get-ChildItem -Path -Filter *.ogg -Recurse foreach ($f in $files) { "" $f.fullname & "\ffmpeg.exe" -i "$($f.Fullname)" "$($f.Directory)$($f.baseName).mp3" }