From the original SynthMaker forum (2004–2014), with its members’ names and dates.
oddson ·
I've been looking at the all-pass in the reverb module.
It looks to me like the same stream addition is getting done twice between the feed-forward and delay lines...
(top portion of image below)
So I thought I could add them once for both the output and the feedback (lower portion of image above)...
...but it doesn't work (feedback is not constrained).
It reminded me of this very old thread where I was a complete newbie and utterly ignorant about DSP (still ignorant, just not a newbie) but I can't say for sure there's any connection.
Anyone have any ideas what I'm not understanding 😕
gregh ·
hi oddson, i'm not getting any problem with this - you are talking about the freeverb, and changing both the 4xAllpass Left moldules?
oddson ·
Well... that's where I got the module from but I'm not using it in the stock freeverb... but even there it does not work properly if you make the above change (it's not an all-pass any more).
gregh ·
I just altered it here, looks exactly the same as your diagram. i have keyboard >karplus>freeverb and it sounds fine
oddson ·
Under certain conditions you can clearly detect a difference in A/B comparison and the analyzer backs me up so I've posted as a bug.
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