libmad as MP3 / 320k converter possible?

[fbee]

libmad did not bring up any results with this search function.
How could I make use of libmad as converter for MP3/320k in dbpoweramp?

[Spoon]

libmad is a decoder, mp3 is actually easy to decode as far as quality as everything is based off reference decoders and everything decodes pretty much identically.