[chuck-users] Converting dB to chuck .gain

Perry R Cook prc at CS.Princeton.EDU
Wed Mar 8 23:43:22 EST 2006


I think gain is just linear amplitude multiplication,
like 0.0 is nothing, and 1.0 is nominal amplitude,
and 0.5 is halfway between in amplitude space, thus
-3dB from 1.0.

PRc

On Wed, 8 Mar 2006, Graham Percival wrote:

> What is chuck's .gain measured in?  Neither std.dbtorms() nor std.dbtopow() 
> seem to work...
>
> I have a bunch of data about a sound, (frequency, dB):
> 86.132812, 9.996495,
> 172.265625,  6.996109,
> 258.398438,  -0.955794,
> 344.531250,  -11.900859,
> ...
>
> and I'd like to try some additive synthesis in chuck.  The first value 
> (frequency) is obvious, but I'm at a loss as to what to do with the second 
> value (dB).  What's the conversion factor between dB and .gain ?
>
> Cheers,
> - Graham
>
> _______________________________________________
> chuck-users mailing list
> chuck-users at lists.cs.princeton.edu
> https://lists.cs.princeton.edu/mailman/listinfo/chuck-users
>


More information about the chuck-users mailing list