1:1 Input to Output without Quality Loss
Prof. DRM can guarantee 1:1 input to output; in other words, it can convert DRM protected iTunes M4V video to common MP4 video with original quality reserved (audio quality, video quality, and image quality).
Audio Tracks and Subtitles Selectable
Prof. DRM enables people to output multiple audio tracks and subtitles, and even freely choose audio track(s) and subtitle(s) for keeping in output MP4 video file according to personal preference.
Support for Dolby 5.1 Surround Sound Output
With advanced tech planted, Prof. DRM keeps all audio channels in MP4 output from source iTunes files, like Dolby 5.1 surround sound, providing extremely excellent surround sound experience on any devices.
Audio & Video / Video Tools
Price: USD 19.95