Yes, our ActiveTTS object supports it. http://www.guangmingsoft.net/activetts

it has the method to convert mp3 to swf

LONG Mp3ToSWF(String MP3File, String SWFFile, BOOL bLoop)
Description: convert mp3 to streaming flash movie

Mp3File: the input mp3 file,whose sample frequency should be 11, 22, or 44kHZ

SWFFile: the output flash movie

bLoop: indicate if the flash movie will be played repeatedly