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Undescribed Horrific Abuse, One Victim & Survivor of Many gmkarl at gmail.com
Thu Nov 10 11:17:49 PST 2022


maybe i can write formula for the two different sides, and their equivalence

indices * frequencies = indices * frequencies

the sampling indices are arange(N)
the recording indices are (arange(N) * (N * 2 - 1) / (N - 1)) % N

since everything is exp(2 pi i * index * freq), indices * frequencies
is taken % 1, because sinusoids are % 2pi. only the fractional
component of indices * frequencies matters. ...


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