Converting 16/8-bit samples to 4-bit

From: Robin Harbron (
Date: 1999-10-01 14:21:10

This kind of follows along with the mp3 discussion, and has to do
with a project I'm working on now:

Is the best way to convert a 16 or 8 bit sample to 4-bit (to play
on the SID) just to take the most significant (nibble?) nybble?  I
guess I'm just wondering if there's some sort of algorithm that would
take into account what's going on in the LSN and sort of "dither" it,
or something or other :)  I apologize - this may be a really stupid
question, and I don't really know what I'm talking about :)

Anyway, thanks for any answers!
Robin Harbron
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