Why cannot we play ACT recording on Windows Media player? How to transcode ACT to a more compatible audio format, such as ACT to MP3, ACT to WAV? The ACT audio, a lossy ADPCM 8 kbits audio format, is recorded by some MP3, MP4 players, mobile phones or voice recorders. br In this video guide, we will introduce a powerful ACT Converter -Bigasoft Total Video Converter and a detailed guide on how to convert ACT to WAV, MP3 or any audio format for your media device.