I want to upload a  csound program Im working on for support. Pops are
occuring i believe because of a build up of samples within the zak patching
opcode? Im not completely sure its only happening when I send mulitple
percussive sounds to a mixer which have less than 0.30 of a beat between
each other and 89bpm. I have used envelopes which suggests the pops arent
occurring from the sound source? 

i've linked the file uncase someone is happy to have a look; 

LINK: https://we.tl/t-glU8icaetR

on download there is a zip file called forcsoundforum. Inside that there 
are two folders is one called intruments (which is where I define the
instruments) and in the other folder called Score_AudioforForum is
chimeAbi.orc and chimeAbi.sco (amonsgt other folders) which will reveal what
the sound is doing. 

am I using zak in a way that is creating these pops? 

Many many thanks, 

J



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I do use zacl at the end of each of the call to the mixer instead of the
instr 9999 you see. But perhaps theres something going own as there are
multiple i statements (be it short) before  zacl?

Thanks I'll take a look at your link too.





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its a bit confusing what he's done because his score says :

; Mixer
;     Sta  Dur  Ch1  Gain  Pan  Ch2  Gain  Pan
i100  0    2   1    2     .5   3    0     0

; Clear Channels
;     Sta  Dur
i110  0    2

The clearance is happening at the same time as the sound is using the
channel?

I placed my instrument 9999 making sure its included the control channels
(which it didnt before). But I get silence ? How does his example work?

           instr 9999

          zacl  0, 30          ; Clear audio channels 0 to 30
          zkcl  0, 30          ; Clear control channels 0 to 30

          endin



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Its a tough one because:
My Mixer equivalent to his instr 100 is also the only instrument that
outputs audio and is now instantiated at the end of the signal path.

my clearance instrument like 110 is also the last in the orc (and the
score). So, the audio should reach the output before the clearance. Which
means its still odd that theres silence when use:
          zkcl  0, 30.

I doing get a high pitchness when I don't use :
 zacl  0, 30   

And as you say about the whining there is none, just pops...not solved yet.
So it might be something else i guess?







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which versin was giving the pops?  Locally built of 6.11 or what?


On Sat, 8 Sep 2018, fauveboy wrote:

> Its a tough one because:
> My Mixer equivalent to his instr 100 is also the only instrument that
> outputs audio and is now instantiated at the end of the signal path.
>
> my clearance instrument like 110 is also the last in the orc (and the
> score). So, the audio should reach the output before the clearance. Which
> means its still odd that theres silence when use:
>          zkcl  0, 30.
>
> I doing get a high pitchness when I don't use :
> zacl  0, 30
>
> And as you say about the whining there is none, just pops...not solved yet.
> So it might be something else i guess?
>
>
>
>
>
>
>
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I used sudo apt-get on raspbian lite have version 6.08



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OK,so my theory is wrong.

I took a copy of your code but I am not sure I will have time to adjust it wrt the file names in the includes.  Would be easier with relative paths and/or use of INCDIR

⁣Sent from TypeApp ​

On Sep 9, 2018, 11:28, at 11:28, fauveboy  wrote:
>I used sudo apt-get on raspbian lite have version 6.08
>
>
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Okay I'll rearrange the program and upload another link if thats okay :)



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the program is now a csd file that doesnt't need any adjusting and so should
run as is. This csd file is inside the OneChma.zip file which also includes
the sco/txt files which are included in the csd file.

the audio plays back with quick percussive hits

LINK>> https://we.tl/t-5VczxUBYYp

I now believe that the pop is due to the "metallicReverb" which you may see
included in the score? do avoid it i've been adjust its parameters and maybe
have to add an envelope after the reverb.

However when i include zkcl along side zacl at the end of the insturment
Mixer4TrackNosend1 there is still silence i havent worked out why that is
the case yet, so for now zkcl is commented out which maybe be a problem
later in the score??



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I tried to get that file but it was a zip file containung one empty 
directory.

On Mon, 10 Sep 2018, fauveboy wrote:

> the program is now a csd file that doesnt't need any adjusting and so should
> run as is. This csd file is inside the OneChma.zip file which also includes
> the sco/txt files which are included in the csd file.
>
> the audio plays back with quick percussive hits
>
> LINK>> https://we.tl/t-5VczxUBYYp
>
> I now believe that the pop is due to the "metallicReverb" which you may see
> included in the score? do avoid it i've been adjust its parameters and maybe
> have to add an envelope after the reverb.
>
> However when i include zkcl along side zacl at the end of the insturment
> Mixer4TrackNosend1 there is still silence i havent worked out why that is
> the case yet, so for now zkcl is commented out which maybe be a problem
> later in the score??
>
>
>
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Very sorry about that i left out the -r flag in my zip command.
This will be a full directory:
heres the new LINK>> https://we.tl/t-7WKhp0qMRw



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OK I can run chma.csd to generate sounds.  I did not find and score 
statement after the first 0.27s so the silence was not unexpected.  What 
have I missed?

On Tue, 11 Sep 2018, fauveboy wrote:

> Very sorry about that i left out the -r flag in my zip command.
> This will be a full directory:
> heres the new LINK>> https://we.tl/t-7WKhp0qMRw
>
>
>
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thats great thanks. So, inside the file Mixer4TrackNoSend1.csd

 You'll see that zkcl is commented. If you uncomment zkcl thats when you
should  get a silent output? 



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Removing the comment symbol I get lots of out-of-range samples with still 
silence after.

Is that the complaint?

On Tue, 11 Sep 2018, fauveboy wrote:

> thats great thanks. So, inside the file Mixer4TrackNoSend1.csd
>
> You'll see that zkcl is commented. If you uncomment zkcl thats when you
> should  get a silent output?
>
>
>
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hmm i dont get samples out of range mine says:

 overall samples out of range:    0    0

it seems to perform fine its just theres no overall amps?




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The doesnt seem to be implications for not including zkcl?



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