GX::Transcoder的前身是GermaniXEncoder，它可以转换以下格式音频和视频文件：MP3, MP2, AVI (MPEG 1,4 DivX, Cinepak, uncompressed + Audio MP3, ALF2CD PCM, ADPCM), RM, WMV, Ogg Vorbis, ALF2CD, DSP, U-LAW, G.721, G.723, G.726, WMA, RAW, ADPCM supports VBR for MP3 and OGG。也可以用来抓CD音轨。