Alignment tool should give audio output

[iandobbie]

Mantas suggests that we add a beep with increasing frequency depending upon the quality of the alignment. Smaller differences between the current centroid and the alignment centroid should produce a higher note.

[juliomateoslangerak]

Do you mean a continuous sound with higher pitch or a sound that increases the rate of a beeping sound, like the car parking aid. I'd like more the second one as it is maybe less subjective and it fives you the possibility to implement a continuous beep as a sign of 'good enough'.

I like the idea.