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improve resampler and/or gaussian? #11

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nyanpasu64 opened this issue Oct 26, 2018 · 1 comment
Open

improve resampler and/or gaussian? #11

nyanpasu64 opened this issue Oct 26, 2018 · 1 comment

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@nyanpasu64
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samples are a bit more muffled than they should be even with -g.

  • cymbal playing at near-exactly 32000khz (spc700 steps by 1 sample) is muffled compared to 44100khz (step by >1)
    • unsure how much can be done, considering the snes gaussian changes frequency response depending on phase,
  • wavetable sweep sounds quite muffled at 192 samples long, despite fine on n163
@nyanpasu64
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The resampler is pretty bad.

  • when downsampling in bandlimited mode, audio significantly above the output's Nyquist rate is folded instead of silenced.
  • On some samples, resampling a properly looped (but possibly non-multiple-of-16) sample leads to a loud pop when the .brr loops (the sample is not looped properly).

@aitchFactor aitchFactor mentioned this issue Jun 25, 2022
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@nyanpasu64