[yoshimi-user] Different sound in Yoshimi and ZynAddSubFX.

  • From: David Adler <david.jo.adler@xxxxxxxxx>
  • To: yoshimi-user <yoshimi-user@xxxxxxxxxxxxxxxxxxxxx>
  • Date: Tue, 15 Oct 2013 23:45:10 +0200

On 10/15/13, Andreas Pierrou <pierrou.andreas@xxxxxxxxx> wrote:

On 10/15/2013 08:33 PM, Andreas Pierrou wrote:
...
When I compare the sound generated by ZynAddSubFX and Yoshimi for the
xiz-file attached to this mail (after opening the attached xmz-file), it
sounds noticably different even though Yoshimi is said to generate the
same sound as ZynAddSubFX. Even when I compare instruments in the
default instrument bank, the sound differs. It is possible for any of
you to reproduce this? :'( Are the synthesizing algorithms slightly
different in Yoshimi and ZynAddSubFX?
...
Btw, I forgot: I'm using ZynAddSubFX v2.4.3 and Yoshimi v1.1.0 with a
linux-rt kernel.

https://image.bayimg.com/344efbe1a0ee4d330895f185b7ca3152243807e5.jpg

These are 30 cycles of a C5 note, displayed in Jaaa with peak hold.
Yoshimi on the left, Zyn on the right. Master volume is turned to
the lowest possible setting in both synths.
Same versions as used by Andreas.

So yes, they look and sound different. Yoshimi sounds a bit brighter.
Judging from sound and spectrograms (and peak values), the
generating algorithms aren't identical; though I don't recall any
such changes being intended or announced here on the list.


regards,
david


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