[PD] Sigmund~ and tracks.

[William Brent]

Ok, a Windows binary of [pitchEnv~] is up on my site:

http://williambrent.conflations.com/pages/research.html#pitchEnv

I hadn't put up Windows or the source yet because I was still in the
middle of working on it, but I think it's fine so that's all up now.
Let me know off list if you have issues with it.



On Wed, Feb 16, 2011 at 4:03 PM, J bz <jbeezez at gmail.com> wrote:
> Hey William,
>
> Appreciate the involvement...
>
> Unfortunately I'm on W7 atm.  My main patch uses the MSD lib and after what
> I thought was a trivial problem with using it in Puredyne (my regular
> distro), last Nov, MSD is still not working for me.  Fortunately I bought a
> 2nd hand lappy with W7 on it early Dec, so have been working in that since.
> The instrumentalist is a Mac guy but that doesn't help me prepare the piece.
>
> So yeah, a long way round of asking do you have a windows version?
>
> Funnily enough I was nosy'ing around your site a couple of months ago and
> d/l'd the timbre ID lib for further research.  Looks well good:)
>
> Best wishes,
>
> Julian
>
>
> On 16 February 2011 19:02, William Brent <william.brent at gmail.com> wrote:
>>
>> Good to know about the reason for the 1Mhz maxfreq...
>>
>> > Not really sure what to do with the viola d'amore source sounds if they
>> > are
>> > just not going to be stable.
>>
>> I think if you can settle for fewer harmonics and work out the flag
>> logic there's hope yet.  Another thing that occurred to me is that
>> since the scratchy noise part of the viol sound is likely what's
>> making the tracking jumpy, you could try to remove the noise.  I've
>> been working on an external that lets you rescale the amplitudes of
>> harmonics in a pitched signal.  There's an early draft on my website -
>> it's called [pitchEnv~].  Using that, I scaled all the harmonics of
>> your sample to 0, so that all the pitch related components are erased
>> from the signal.  The attached wav file is what's left...basically all
>> the scratchy noise.
>>
>> Then I tried subtracting that noise from the original signal (delayed
>> slightly based on the time it takes to do this analysis), and it did
>> clean up the noise some.  It wasn't perfect, but with some work this
>> could produce a signal you send to [sigmund~] that would be more
>> easily tracked out.  I might have time to fiddle with that later, but
>> if you download [pitchEnv~] you can give it a shot too.
>>
>> William
>
>



-- 
William Brent
www.williambrent.com

“Great minds flock together”
Conflations: conversational idiom for the 21st century

www.conflations.com