On Montag, 9. Dezember 2019 22:24:49 CET Ivan Maguidhir wrote:
> Hi Christian
> 
> I made multiple copies of a commercial gig instrument with gigedit
> setting the gain option to -3dB, 0dB, +3dB, +6dB, +12dB. I've attached
> the audio output of GSt3 when the same MIDI note is played on each
> instrument in succession.

Not really the result I would expect. Looking at your audio file 1st note is 
-3dB (ok), 2nd note is 0dB (ok), but then 3rd is also 0dB (instead of +3dB, 
maybe ok because its not allowed by GSt), then 4th is -3dB instead of +6dB 
which is definitely wrong because that's a setting supported by GSt, and well 
5th note is again 0dB instead of +12dB (but that's again an unsupported option 
in GSt).

Just to make this clear about deciBels in general: 0dB means "neutral" / no 
volume change, +6dB means increasing volume by factor 2, -6dB means half 
volume, +12dB means volume increase by factor 4, -12dB means volume reduced to 
1/4th. So you can easily see those volume relations already with a wave 
editor.

Did you check "Apply to:" ... "All regions" checkbox and "All Dimension 
Regions" checkbox in Gigedit before you did these gain changes?

> I only realised after doing this that the
> instrument I used is a version 1.0 gig. I'm not sure if this would make
> a difference? I can redo it with a v3 instrument if necessary.

Not sure either, but this gain setting is fairly old and already existed 
including that +6dB option when I wrote the first line of libgig code in 2003.

CU
Christian




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