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FamiTracker
The hiss emulation is inconsistent across different sampling rates.
This is a problem, since my soundcard runs at 48khz. FT seems to generate an A#3 tone when 8 N163 channels are on and the sampling rate is set to 48khz.
I can confirm that this happens in both 0.4.2 and 0.4.3.
I've checked it but cannot find any obvious problems. There might be some audible differences due to the filtering when switching between sample rates, that's hard to avoid.
A multiple of A#3 is close to the 15kHz signal that appears when using 8 channels, but that's the case for both 44,1kHz and 48kHz.
The high frequency switching leaks through the downsampling filter and appears as an unrelated aliased frequency in the audible range. The exact frequency heard depends on the samplerate and the nature of the filter.
It's pretty difficult to create a filter that can get rid of this entirely. Strong high frequency tones like the one produced by the N163 are a difficult problem.
