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[Csnd] gbuzz with kmul = 1

Date2008-11-05 03:34
From"Carlos Pita"
Subject[Csnd] gbuzz with kmul = 1
AttachmentsNone  dac:plug:dmix.pdf  

Date2008-11-05 09:59
Fromluis jure
Subject[Csnd] Re: gbuzz with kmul = 1
on 2008-11-05 at 01:34 Carlos Pita wrote:

>i've been experiencing some strange outputs for the gbuzz opcode when
>kmul ~ 1. 

no problems whatsoever with gbuzz here. i tested your orchestra on two
different linux boxes, running floats and doubles versions of
csound5.09 

there _are_ some problems with dispfft, though. it's not very accurate
and shows a distorted spectrum. did you try to visualize and analyze
the audio output using external tools like wavesurfer, or are you
relying solely on the output of dispfft?

best,

lj

Date2008-11-05 12:58
FromCarlosJP
Subject[Csnd] Re: gbuzz with kmul = 1


luis jure wrote:
> 
> there _are_ some problems with dispfft, though. it's not very accurate
> 

It does sound like it looks like. I don't think it's a plotting issue.

My system is gentoo linux compiled with flags -O2 -march=pentium4.

I'm using a custom csound build. The scons parameters for the build were:

customCXXFLAGS="-O2 -march=pentium4" usePortAudio=0 usePortMIDI=1
buildCsound5GUI=1 useOSC=1 buildPythonOpcodes=1 dynamicCsoundLibrary=1
buildInterfaces=1 buildVirtual=1

csound version is: Csound version 5.09 beta (float samples)

I'll try the example with a different csound version in order to see what
happens.

Regards
-Carlos
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Date2008-11-05 13:34
FromCarlosJP
Subject[Csnd] Re: gbuzz with kmul = 1


CarlosJP wrote:
> 
> I'll try the example with a different csound version in order to see what
> happens.
> 

Same for 5.09 beta (double samples), but works for 5.08 beta (float
samples).

Any ideas?

Regards
-Carlos

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Date2008-11-05 13:59
FromCarlosJP
Subject[Csnd] Re: gbuzz with kmul = 1
(I'm moving the discussion to the dev list).
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