Is it possible to control via Sonic Pi an instrument in Ableton?

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So, it would seem that the jitter I’ve been experiencing in Windows is a result of the limitations of Erlang + Windows

The resolution on windows is even worse than that. The source is GetTickCount()/GetTickCount64() which have a resolution of 16ms if I remember correct.

My own tests corroborate this:

0> lists:foreach(fun(X) ->
  First = erlang:system_time(nanosecond)/1000000000,
  timer:sleep(X),
  Second = erlang:system_time(nanosecond)/1000000000,
  TimeDiff = Second - First,
  io:format("~p called\n~p slept\n\n", [X, trunc(TimeDiff * 1000)])
end, lists:seq(1,50)).

1 called
16 slept

2 called
16 slept

3 called
14 slept

4 called
16 slept

5 called
16 slept

6 called
15 slept

7 called
16 slept

8 called
15 slept

9 called
15 slept

10 called
16 slept

11 called
15 slept

12 called
16 slept

13 called
16 slept

14 called
14 slept

15 called
16 slept

16 called
30 slept

17 called
31 slept

30 called
32 slept

31 called
31 slept

32 called
46 slept

33 called
47 slept

34 called
45 slept

35 called
47 slept

36 called
46 slept

37 called
46 slept

38 called
46 slept

39 called
47 slept

40 called
46 slept

41 called
47 slept

42 called
45 slept

43 called
47 slept

44 called
46 slept

45 called
47 slept

46 called
47 slept

47 called
46 slept

48 called
61 slept

49 called
63 slept

50 called
61 slept

Bummer.