[PD] centered vibrato question

[Derek Holzer]

[mtof] should do it, if you use microtonal MIDI notes.

best,
d.

Libero Mureddu wrote:
> Hi all,
> 
> In the attached patch, I´d like to have a vibrato that is the same (in 
> pitch) both above and below the carrier frequency.
> I don´t know how to do it in pd.
> So far I found a solution at the csound mailing list.
> in csound a solution is to use  "cent" that calculates a factor to 
> raise/lower a frequency by a given amount of cents.
> 
> ---- csound example -----
> kvib      oscil     1200, 1, 1
>   a1        oscili    30000, 440 * cent(kvib), 1
> ----- end csound example ----
> here is the link from the csound mailing list.
> 
> http://www.nabble.com/Simple-vibrato-question-%28was%3A-Not-a-Number-ierror-in-pow-operator%29-tf21490.html#a58740 
> <http://www.nabble.com/Simple-vibrato-question-%28was%3A-Not-a-Number-ierror-in-pow-operator%29-tf21490.html#a58740>
> 
> thanks a lot
> libero
> -- 
> Libero Mureddu
> Vanha Viertotie, 21 as 417
> 00350 Helsinki
> Finland
> http://webusers.siba.fi/~limuredd/
> http://www.myspace.com/liberomureddu
> 
> 
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-- 
derek holzer ::: http://www.umatic.nl ::: http://blog.myspace.com/macumbista
---Oblique Strategy # 131:
"Question the heroic approach"