Marker regions can be rendered as separate audio files. New spectrum editor with high quality linear phase filters that you can either process with surgically or by selected regions.Ī rename function that can automatically update all file references in other documents such as Audio Montages, Files, clips and markers can be batch renamed. The main view and overview can independently be set to display one of three modes Standard waveform, loudness envelope or as a spectrogram Here's the 'What's new' listed in the manual: I got Wavelab 6 with the student discount and it's just incredible for the cost. I've never used Wavelab 4 so I don't know if the upgrade is worthwhile for you.