Hello everyone,i try to make a simple vectorial Gui with Fltk where i can
vary the tone by moving the cartesian coordinates,how to do for avoid
noise?i try with poscil3 and oscili and also varying sr/kr but is the same
problem,some idea?many thanks to all community!

Ciao

Giorgio

http://csound.1045644.n5.nabble.com/file/n4361671/Vectorial_Fljoy.csd
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add a LP filter to the control signals, like port

ksig port kctl, 0.01

Victor


On 30 Apr 2011, at 21:16, Giorgio77 wrote:

> Hello everyone,i try to make a simple vectorial Gui with Fltk where  
> i can
> vary the tone by moving the cartesian coordinates,how to do for avoid
> noise?i try with poscil3 and oscili and also varying sr/kr but is  
> the same
> problem,some idea?many thanks to all community!
>
> Ciao
>
> Giorgio
>
> http://csound.1045644.n5.nabble.com/file/n4361671/Vectorial_Fljoy.csd
> Vectorial_Fljoy.csd --
> View this message in context: http://csound.1045644.n5.nabble.com/Fljoy-and-oscili-tp4361671p4361671.html
> Sent from the Csound - General mailing list archive at Nabble.com.
>
>
> Send bugs reports to the Sourceforge bug tracker
>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
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> "unsubscribe csound"
>

Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie





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many thanks Victor,but I noticed that it works much better mixing four sound
files (instead of synthesis)
 ,and is perhaps the most interesting thing for this instrument, thanks

Ciao

Giorgio
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Not sure I understand what you mean. My suggestion is to add a lowpass  
filter to the control signal, which can be used
for anything, including say a mixing gain for soundfiles. It's very  
likely that the noise you are experiencing is zipping noise
caused by non-smooth control transitions. The lowpass filter will  
smooth it out.

Victor
On 1 May 2011, at 14:23, Giorgio77 wrote:

> many thanks Victor,but I noticed that it works much better mixing  
> four sound
> files (instead of synthesis)
> ,and is perhaps the most interesting thing for this instrument, thanks
>
> Ciao
>
> Giorgio
> --
> View this message in context: http://csound.1045644.n5.nabble.com/Fljoy-and-oscili-tp4361671p4362755.html
> Sent from the Csound - General mailing list archive at Nabble.com.
>
>
> Send bugs reports to the Sourceforge bug tracker
>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body  
> "unsubscribe csound"
>

Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie





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Ok (the real problem is my bad english,sorry),now i understand,I fixed my
instrument with portk and it works :

instr 2
iamp = 12000

;portamento 
kpitch1 portk gkpitch1,1
kpitch2 portk gkpitch1,1.2
kpitch3 portk gkpitch1,1.5
kpitch4 portk gkpitch1,1.7

;asig flooper2 kamp, kpitch, kloopstart, kloopend, kcrossfade, ifn
ain1 flooper2 5000,kpitch1,gkstart1,gkend1,.0005,10,0,i(gk13)
ain2 flooper2 5000,kpitch2,gkstart2,gkend2,.0005,11,0,i(gk14)
ain3 flooper2 5000,kpitch3,gkstart3,gkend3,.0005,12,0,i(gk15)
ain4 flooper2 5000,kpitch4,gkstart4,gkend4,.0005,13,0,i(gk16)

;kx  =   (gkx) ;asse x per FLjoy
;ky  =   (gky) ;asse y per FLjoy

kx portk gkx,0.1 ;smooth signal to avoid noise
ky portk gky,0.1

k1  =   (1-kx)*(1-ky) ;ampiezze di ogni sorgente (da Bianchini-Cipriani"il
suono virtuale")
k2  =   kx*(1-ky)
k3  =   (1-kx)*ky
k4  =   kx*ky

aout    =  ain1*k1 + ain2*k2 + ain3*k3 + ain4*k4;uscita globale

outs aout,aout
endin
 

http://csound.1045644.n5.nabble.com/file/n4362801/Vectorial_Fljoy.csd
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your portamento times seem very long... is that what you want?
On 1 May 2011, at 15:09, Giorgio77 wrote:

> Ok (the real problem is my bad english,sorry),now i understand,I  
> fixed my
> instrument with portk and it works :
>
> instr 2
> iamp = 12000
>
> ;portamento
> kpitch1 portk gkpitch1,1
> kpitch2 portk gkpitch1,1.2
> kpitch3 portk gkpitch1,1.5
> kpitch4 portk gkpitch1,1.7
>
> ;asig flooper2 kamp, kpitch, kloopstart, kloopend, kcrossfade, ifn
> ain1 flooper2 5000,kpitch1,gkstart1,gkend1,.0005,10,0,i(gk13)
> ain2 flooper2 5000,kpitch2,gkstart2,gkend2,.0005,11,0,i(gk14)
> ain3 flooper2 5000,kpitch3,gkstart3,gkend3,.0005,12,0,i(gk15)
> ain4 flooper2 5000,kpitch4,gkstart4,gkend4,.0005,13,0,i(gk16)
>
> ;kx  =   (gkx) ;asse x per FLjoy
> ;ky  =   (gky) ;asse y per FLjoy
>
> kx portk gkx,0.1 ;smooth signal to avoid noise
> ky portk gky,0.1
>
> k1  =   (1-kx)*(1-ky) ;ampiezze di ogni sorgente (da Bianchini- 
> Cipriani"il
> suono virtuale")
> k2  =   kx*(1-ky)
> k3  =   (1-kx)*ky
> k4  =   kx*ky
>
> aout    =  ain1*k1 + ain2*k2 + ain3*k3 + ain4*k4;uscita globale
>
> outs aout,aout
> endin
>
>
> http://csound.1045644.n5.nabble.com/file/n4362801/Vectorial_Fljoy.csd
> Vectorial_Fljoy.csd --
> View this message in context: http://csound.1045644.n5.nabble.com/Fljoy-and-oscili-tp4361671p4362801.html
> Sent from the Csound - General mailing list archive at Nabble.com.
>
>
> Send bugs reports to the Sourceforge bug tracker
>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body  
> "unsubscribe csound"
>

Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie





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right,is only a simple test,yes perhaps is long but with some sample (with
slow attack) i like,thanks

Giorgio--
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