SigmaTel has launched its Software Development Kit (SDK) 4.201 for its fourth-generation System on Chip portable multimedia player solution, the STMP3600. The SigmaTel SDK 4.201 provides customers with a more robust software development environment offering Microsoft PlaysForSure version 1.2 support for Windows Media (WM) DRM10. SigmaTel's portable multimedia SoC solutions, including the STMP3600, provide high quality audio playback for portable devices such as MP3 players, language learners, and jukeboxes. Through patented semiconductor and software solutions, SigmaTel's product integration and support allows customers to develop multimedia devices with the longest battery life, smallest form factors and lowest system design costs in the market.