The high-end version supports sample rates of up to 192 kHz and bit depths of 16 and 24 bit , opens WAV , AIFF , mp3 , SDII audio files . It also supports QuickTime video files . It supports 24-bit audio at sample rates of up to 192 kHz , and can handle WAV , AIFF , mp3 , SDII audio files and QuickTime video files .