Preset/Instrument level
attenuation attenuates 0.4 dB for every 1 dB that you specify
(according to the values reported by Vienna Soundfont Studio 2.xx).
The reason for this behavior is compatibility... this is how
Creative/E-MU designed their synth engines, and the thousands of
SoundFonts out there expect this behavior. You can read more details
about this in this
PDF file, which was my proposed list of
changes for FluidSynth 1.0.9.
-~Chris
On 07/19/2010 11:28 AM, Edenyard wrote:
I'd
be grateful if someone here could kindly unravel a bit of a mystery in
Fluid Synth for me regarding instrument attenuation.
I've been making a new organ soundfont using samples from the excellent
new Silver Octopus romantic set and I'm now tryingto get the right
balance between the various ranks by adjusting the instrument
attenuation for each instrument. I've found quite a bit of conflicting
information in different places about the relationship between what the
attenuation setting is set at and what actual attenuation Fluid Synth
(and others) actually apply to the instrument.
Also, it seems as though the relationship has changed sometime over the
last few releases. I've tried googling and get presented with quite a
lot of programming type stuff that unfortunately leaves me rather in
the dark as a non-programmer.
So - in a nutshell, is 10dB of attenuation as set going to give me 10dB
of actual attenuation for my instrument, or is it something else? Also,
which version of FS should I be using to get the right answers?
In case it matters, I'm using Jorgan in conjunction with FS 1.0.6 on a
Linux Slackware system running a 2.4 kernel - although this may get
updated as part of the mods I'm doing.
Sorry if this question is really trivial, but it's stumping me at
present! Thanks in anticipation for any help.
Cheers,
Gerald.
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