Hello all,
 
Can somebody tell me what formula is used in PD to convert MIDI to frequency?  (i.e. how does [mtof] REALLY work?)
 
Is it a table? or a formula?
 
By the same token, I'd like the formulae for [ftom], [dbtorms], [rmstodb], [dbtopow], and [powtodb] as well.
 
Regards,
Dave Sabine