And we discussed on some methods to do it. My approach originally , and I 've already hacked on it a little bit  it was too slow because I was trying to display all the waveforms. But he pointed out that you don't really have to. I think that 's a good point.
Mm - hmm.
Mm - hmm.
That if you just display the mix waveform and then have a user interface for editing the different channels , that 's perfectly sufficient.