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Undescribed Horrific Abuse, One Victim & Survivor of Many gmkarl at gmail.com
Thu Nov 10 10:39:57 PST 2022


ok, given that linspace, then it looks like
waveform_idx = recording_idx * (N * 2 - 1) / (N - 1)

so
recording_idx = waveform_idx * (N - 1) / (N * 2 - 1)

and the max_period is 4 * (4 - 1) / (4 * 2 - 1) = 12 / 7 = N * (N - 1)
/ (N * 2 - 1)
draft saved at 1:34 pm

--
i tried using the above to construct index offsets and pass them to
sample_sinusoids_funny and then micro_*ft, upsample=True .

the first and last sample are correct, but the middle two differ.

i now have a system that should be closed, where the sinusoids in
question are being directly reprocess. so, i should be able to examine
them to find where the discontinuity is, that they aren't.

i'm thinking the max_period parameter to micro_*ft could be being
interpreted in a way different from how i am using it here. failing
that, i can in theory always step through the parts and take notes.


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