You have to take dt into account when calculating the samples from
your trig function. In the PCM domain your samples are always spaced
at a uniform and time normalized step size of unity. IOW, sin() has no
way of knowing your dt if you don't include it when calculating the
argument.
His point is that he's taking dt into account with his calculation of
t. That is, at 1 second through the sound, t==1, but to get there in
44100 steps, it goes through 0/44100, 1/44100, etc in 44100 steps.
--
Reality is what, when you stop believing in it, doesn't go away.
Failure is not an option. It is a privilege reserved for those who try.
David Duncan
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