| Sounds like an event duration issue. If ksmps is reduced to, say, 10,
the extra click is not there. Maybe csound is
adding one extra ksmps block of duration at the end of each note(a
bug) .
Victor
On 2 Feb 2011, at 11:52, Erik de Castro Lopo wrote:
> Hi all,
>
> I'm looking at come example compositions from Dr Boulanger's
> Csound Catalogue, in particular a composition called "The
> Heartbeat" by Julie Friedman.
>
> When playing the CSD file using Csound 5.13 the heartbeat
> instrument has an extra click that isn't present in the
> MP3 file included in the Catalogue.
>
> I've extracted just the instrument and a subset of the
> score and included it below.
>
> Debugging a bit further the click occurs be cause of
> this line:
>
> a2 oscili iamp, 1/idur, 72
>
> changing that to
>
> a2 oscili iamp, 0.99/idur, 72
>
> fixes the problem but I'm curious about the fact that an older
> version of csound rendered this file without clicks.
>
> Cheers,
> Erik
>
>
>
> ;JULIE FRIEDMAN MS107CSOUND BERKLEE COLLEGE OF MUSIC
>
> ;THE HEARTBEAT
> sr = 44100
> kr = 441
> ksmps = 100
> nchnls = 2
>
> instr 2 ;HEARTBEAT
> idur = p3
> iamp = p4/2
> ifq = 4
> if1 = 13
> if2 = 13
> a2 oscili iamp, 1/idur, 72
> a2 oscili a2, ifq, if2
> a1 oscili iamp, 1/idur, 71
> a1 oscili a1, ifq, if1
> outs (a1+a2) * 4.5, (a1+a2) * 4.5
> endin
>
>
>
> ;JULIE FRIEDMAN MS107CSOUND BERKLEE COLLEGE OF MUSIC
> ;THE HEARTBEAT
> f1 0 4096 10 1 ; SINE WAVE
>
> f2 0 8192 10 1 .5 .3 .25 .2 .167 .14 .111 ; SAWTOOTH
>
> f3 0 2048 10 1 0 .3 0 .2 0 .14 0 .111 ; SQUARE
>
> f4 0 2048 10 1 1 1 1 .7 .5 .3 .1 ; PULSE
>
> f9 0 4096 10 .28 1 .74 .66 .78 .48 .05 .33 .12 .08 .01 .54 .19 .
> 08 .05 .16 .01 .11 .3 .02 .2
>
> f19 0 1024 19 .5 .5 270 .5
>
> f11 0 512 9 1 1 0f12 0 512 9 10 1 0 16 1.5 0 22 2.
> 0 23 1.5 0
>
> f13 0 512 9 25 1 0 29 .5 0 32 .2 0
>
> f14 0 512 9 16 1 0 20 1. 0 22 1 0 34 2 0 38 1 0 47
> 1 0
>
> f15 0 512 9 50 2 0 53 1 0 65 1 0 70 1 0 77 1 0 100
> 1 0
>
> f71 0 513 5 4096 512 1 ; equals '1 512 .0024'
>
> f72 0 513 5 128 512 1 ; equals '1 512 .0078'
>
>
> ;HEARTBEAT
>
> ; start idur iamp
> i2 0 .2 6000
> i2 .25 .4 8000
> i2 2 .2 6000
> i2 2.25 .4 8000
> i2 4 .2 6000
> i2 4.25 .4 8000
> i2 6 .2 6000
> i2 6.25 .4 8000
> i2 8 .2 6000
> i2 8.25 .4 8000
> i2 10 .2 6000
> i2 10.25 .4 8000
>
> e
>
>
>
>
>
>
> --
> ----------------------------------------------------------------------
> Erik de Castro Lopo
> http://www.mega-nerd.com/
>
> ------------------------------------------------------------------------------
> Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)!
> Finally, a world-class log management solution at an even better
> price-free!
> Download using promo code Free_Logger_4_Dev2Dev. Offer expires
> February 28th, so secure your free ArcSight Logger TODAY!
> http://p.sf.net/sfu/arcsight-sfd2d
> _______________________________________________
> Csound-devel mailing list
> Csound-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/csound-devel
------------------------------------------------------------------------------
Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)!
Finally, a world-class log management solution at an even better price-free!
Download using promo code Free_Logger_4_Dev2Dev. Offer expires
February 28th, so secure your free ArcSight Logger TODAY!
http://p.sf.net/sfu/arcsight-sfd2d
_______________________________________________
Csound-devel mailing list
Csound-devel@lists.sourceforge.net |