If I understand your explanation correctly, then the need for hysteresis is removed too... Nice!


That got simplified out in the discussion, but would still a good idea, and would be handled by the GPSapp algorithm... Following on from the hypothetical scenario earlier, the transitions should occur:

mph.
(0) - set 'base' volume to -10dB
30 +1 step
40 +1 step
50 +1 step
60 +1 step
(65) 'base' volume changed.
50 -1 step
40 -1 step
30 -1 step
20 -1 step.

This would allow us to cruise within a 10mph band without the volume constantly changing.
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