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Question about reloading instruments

Date2016-03-20 01:28
FromJimmy Manone
SubjectQuestion about reloading instruments
Hello all. I'm trying to figure out a workaround to the pvsdemix problem I mentioned a while back.

Basically, is there a way to reload an instrument as if it is playing for the first time?

For example, in instrument 1, I let it run indefinitely and then 'turnon' instrument 2- which processes the signal. If there is a zero crossing in either direction, I'd like to reload instrument 2 - basically resetting the effect.


To simplify the question,

If instrument 1 is running indefinitely and I call instrument 2 using the 'turnon' command or something similar, is there a way to somehow re-run the csound script as if it were the first time it was running?



Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

Date2016-03-20 01:34
FromJason Timm
SubjectRe: Question about reloading instruments

Are you looking for reinit?

http://www.csounds.com/manual/html/reinit.html

On Sat, Mar 19, 2016 at 6:28 PM, Jimmy Manone <jimmanone@GMAIL.COM> wrote:

Hello all. I'm trying to figure out a workaround to the pvsdemix problem I mentioned a while back.

Basically, is there a way to reload an instrument as if it is playing for the first time?

For example, in instrument 1, I let it run indefinitely and then 'turnon' instrument 2- which processes the signal. If there is a zero crossing in either direction, I'd like to reload instrument 2 - basically resetting the effect.


To simplify the question,

If instrument 1 is running indefinitely and I call instrument 2 using the 'turnon' command or something similar, is there a way to somehow re-run the csound script as if it were the first time it was running?



Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here
Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

Date2016-03-20 01:47
FromJimmy Manone
SubjectRe: Question about reloading instruments
It is kind of like that, but instead of waiting for a timeout period, just sort of flush everything and restart as if the script were running for the first time.

I'll play around with this one a bit and see if I can get anything to work with. Thanks for your response!




On Sat, Mar 19, 2016 at 6:34 PM, Jason Timm <jasontimm@me.com> wrote:

Are you looking for reinit?

http://www.csounds.com/manual/html/reinit.html

On Sat, Mar 19, 2016 at 6:28 PM, Jimmy Manone <jimmanone@GMAIL.COM> wrote:

Hello all. I'm trying to figure out a workaround to the pvsdemix problem I mentioned a while back.

Basically, is there a way to reload an instrument as if it is playing for the first time?

For example, in instrument 1, I let it run indefinitely and then 'turnon' instrument 2- which processes the signal. If there is a zero crossing in either direction, I'd like to reload instrument 2 - basically resetting the effect.


To simplify the question,

If instrument 1 is running indefinitely and I call instrument 2 using the 'turnon' command or something similar, is there a way to somehow re-run the csound script as if it were the first time it was running?



Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here
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Date2016-03-20 13:38
Fromjpff
SubjectRe: Question about reloading instruments
Are you saying thatpvsdemix retains some state after finishing so the 
standard csound reuse of memory is giving wrong answers?  If so that is a 
bug.
==John ff


On Sat, 19 Mar 2016, Jimmy Manone wrote:

> It is kind of like that, but instead of waiting for a timeout period, just
> sort of flush everything and restart as if the script were running for the
> first time.
> 
> I'll play around with this one a bit and see if I can get anything to work
> with. Thanks for your response!
> 
> 
> 
> 
> On Sat, Mar 19, 2016 at 6:34 PM, Jason Timm  wrote:
>
>       Are you looking for reinit?
>
>       http://www.csounds.com/manual/html/reinit.html
>
>       On Sat, Mar 19, 2016 at 6:28 PM, Jimmy Manone
>        wrote:
>
>       Hello all. I'm trying to figure out a workaround to the
>       pvsdemix problem I mentioned a while back.
> 
> Basically, is there a way to reload an instrument as if it is
> playing for the first time?
> 
> For example, in instrument 1, I let it run indefinitely and then
> 'turnon' instrument 2- which processes the signal. If there is a
> zero crossing in either direction, I'd like to reload instrument
> 2 - basically resetting the effect.
> 
> 
> To simplify the question,
> 
> If instrument 1 is running indefinitely and I call instrument 2
> using the 'turnon' command or something similar, is there a way
> to somehow re-run the csound script as if it were the first time
> it was running?
> 
> 
> 
> Csound mailing list Csound@listserv.heanet.ie
> https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs
> reports to https://github.com/csound/csound/issues Discussions
> of bugs and features can be posted here
> 
> Csound mailing list Csound@listserv.heanet.ie
> https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to
> https://github.com/csound/csound/issues Discussions of bugs and
> features can be posted here
> 
> 
> Csound mailing list Csound@listserv.heanet.ie
> https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to
> https://github.com/csound/csound/issues Discussions of bugs and features can
> be posted here
>

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Date2016-03-20 13:51
FromRory Walsh
SubjectRe: Question about reloading instruments

reinit can be called at any time and be immediate.

On 20 Mar 2016 01:28, "Jimmy Manone" <jimmanone@gmail.com> wrote:
Hello all. I'm trying to figure out a workaround to the pvsdemix problem I mentioned a while back.

Basically, is there a way to reload an instrument as if it is playing for the first time?

For example, in instrument 1, I let it run indefinitely and then 'turnon' instrument 2- which processes the signal. If there is a zero crossing in either direction, I'd like to reload instrument 2 - basically resetting the effect.


To simplify the question,

If instrument 1 is running indefinitely and I call instrument 2 using the 'turnon' command or something similar, is there a way to somehow re-run the csound script as if it were the first time it was running?



Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here
Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here

Date2016-03-20 17:08
FromJimmy Manone
SubjectRe: Question about reloading instruments
Something like that. Its weird, because it only happens once the azimuth crosses zero in either direction. As long as you stay in either the positive hemisphere (0 to 1), or the negative hemisphere (-1 to zero) the sound quality is excellent. Once you cross zero, the fidelity drops and the sound has a bit of a 'doubling' effect. This will carry on until you restart the .csd. This is why I was thinking that I could set up some sort of check for a zero crossing, then have it automatically relaunch or re-load the instrument. I know this may cause some sort of dropout, but I'd rather that than the mentioned problem. 

On Sunday, March 20, 2016, jpff <jpff@codemist.co.uk> wrote:
Are you saying thatpvsdemix retains some state after finishing so the standard csound reuse of memory is giving wrong answers?  If so that is a bug.
==John ff


On Sat, 19 Mar 2016, Jimmy Manone wrote:

It is kind of like that, but instead of waiting for a timeout period, just
sort of flush everything and restart as if the script were running for the
first time.

I'll play around with this one a bit and see if I can get anything to work
with. Thanks for your response!




On Sat, Mar 19, 2016 at 6:34 PM, Jason Timm <jasontimm@me.com> wrote:

      Are you looking for reinit?

      http://www.csounds.com/manual/html/reinit.html

      On Sat, Mar 19, 2016 at 6:28 PM, Jimmy Manone
      <jimmanone@GMAIL.COM> wrote:

      Hello all. I'm trying to figure out a workaround to the
      pvsdemix problem I mentioned a while back.

Basically, is there a way to reload an instrument as if it is
playing for the first time?

For example, in instrument 1, I let it run indefinitely and then
'turnon' instrument 2- which processes the signal. If there is a
zero crossing in either direction, I'd like to reload instrument
2 - basically resetting the effect.


To simplify the question,

If instrument 1 is running indefinitely and I call instrument 2
using the 'turnon' command or something similar, is there a way
to somehow re-run the csound script as if it were the first time
it was running?



Csound mailing list Csound@listserv.heanet.ie
https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs
reports to https://github.com/csound/csound/issues Discussions
of bugs and features can be posted here

Csound mailing list Csound@listserv.heanet.ie
https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to
https://github.com/csound/csound/issues Discussions of bugs and
features can be posted here


Csound mailing list Csound@listserv.heanet.ie
https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to
https://github.com/csound/csound/issues Discussions of bugs and features can
be posted here


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Send bugs reports to
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Date2016-03-20 17:12
FromJimmy Manone
SubjectRe: Question about reloading instruments
I'm sorry as I'm a bit of a noob. Can this work during k passes as well, or only during performance passes? I'm running the score indefinitely. 

On Sunday, March 20, 2016, Rory Walsh <rorywalsh@ear.ie> wrote:

reinit can be called at any time and be immediate.

On 20 Mar 2016 01:28, "Jimmy Manone" <jimmanone@gmail.com> wrote:
Hello all. I'm trying to figure out a workaround to the pvsdemix problem I mentioned a while back.

Basically, is there a way to reload an instrument as if it is playing for the first time?

For example, in instrument 1, I let it run indefinitely and then 'turnon' instrument 2- which processes the signal. If there is a zero crossing in either direction, I'd like to reload instrument 2 - basically resetting the effect.


To simplify the question,

If instrument 1 is running indefinitely and I call instrument 2 using the 'turnon' command or something similar, is there a way to somehow re-run the csound script as if it were the first time it was running?



Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here
Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here
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Date2016-03-20 17:19
FromVictor Lazzarini
SubjectRe: Question about reloading instruments
Performance pass and k-pass are the same things, what do you mean?

Victor Lazzarini
Dean of Arts, Celtic Studies, and Philosophy
Maynooth University
Ireland

On 20 Mar 2016, at 17:12, Jimmy Manone <jimmanone@GMAIL.COM> wrote:

I'm sorry as I'm a bit of a noob. Can this work during k passes as well, or only during performance passes? I'm running the score indefinitely. 

On Sunday, March 20, 2016, Rory Walsh <rorywalsh@ear.ie> wrote:

reinit can be called at any time and be immediate.

On 20 Mar 2016 01:28, "Jimmy Manone" <jimmanone@gmail.com> wrote:
Hello all. I'm trying to figure out a workaround to the pvsdemix problem I mentioned a while back.

Basically, is there a way to reload an instrument as if it is playing for the first time?

For example, in instrument 1, I let it run indefinitely and then 'turnon' instrument 2- which processes the signal. If there is a zero crossing in either direction, I'd like to reload instrument 2 - basically resetting the effect.


To simplify the question,

If instrument 1 is running indefinitely and I call instrument 2 using the 'turnon' command or something similar, is there a way to somehow re-run the csound script as if it were the first time it was running?



Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here
Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here
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Date2016-03-20 17:31
Fromjpff
SubjectRe: Question about reloading instruments
When we tried pvsdemix we could ot ear any problem.  I think we need an 
examle and annotated output to further this.
==jon ffy

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Date2016-03-20 17:38
FromJimmy Manone
SubjectRe: Question about reloading instruments
I had it totally backward - I thought performance pass was the time it took for the score to compete. Now it makes sense! Thanks,

On Sun, Mar 20, 2016 at 10:19 AM, Victor Lazzarini <Victor.Lazzarini@nuim.ie> wrote:
Performance pass and k-pass are the same things, what do you mean?

Victor Lazzarini
Dean of Arts, Celtic Studies, and Philosophy
Maynooth University
Ireland

On 20 Mar 2016, at 17:12, Jimmy Manone <jimmanone@GMAIL.COM> wrote:

I'm sorry as I'm a bit of a noob. Can this work during k passes as well, or only during performance passes? I'm running the score indefinitely. 

On Sunday, March 20, 2016, Rory Walsh <rorywalsh@ear.ie> wrote:

reinit can be called at any time and be immediate.

On 20 Mar 2016 01:28, "Jimmy Manone" <jimmanone@gmail.com> wrote:
Hello all. I'm trying to figure out a workaround to the pvsdemix problem I mentioned a while back.

Basically, is there a way to reload an instrument as if it is playing for the first time?

For example, in instrument 1, I let it run indefinitely and then 'turnon' instrument 2- which processes the signal. If there is a zero crossing in either direction, I'd like to reload instrument 2 - basically resetting the effect.


To simplify the question,

If instrument 1 is running indefinitely and I call instrument 2 using the 'turnon' command or something similar, is there a way to somehow re-run the csound script as if it were the first time it was running?



Csound mailing list Csound@listserv.heanet.ie https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to https://github.com/csound/csound/issues Discussions of bugs and features can be posted here
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Date2016-03-20 17:44
FromJimmy Manone
SubjectRe: Question about reloading instruments
I've tried it on both windows and Linux. I'm currently running it on a beaglebone and getting the same problem. It is a small difference in the sound. In this code, you should be able to hear it as the sound changes:

<CsoundSynthesizer>
<CsOptions>
-i adc -o dac
</CsOptions>
<CsInstruments>


sr = 44100
ksmps = 441
kr = 100
nchnls = 2


gifftsiz  =         1024
giwintyp  =         1


instr 1
kexpr  linseg 1, 5,.5,5,0.25,5,0,5,-.25,5,-.5,5,-1,5,-.5,5,-.25,5,0,5,.25,5,.5,5,1,5,0 ;Move panning position between positive and negative values

ain, ain2 soundin "stereo.wav"

fsig      pvsanal   ain, gifftsiz, gifftsiz/2, gifftsiz*2, giwintyp
fsig2     pvsanal   ain2, gifftsiz, gifftsiz/2, gifftsiz*2, giwintyp
fdm       pvsdemix  fsig, fsig2, kexpr, 15, 15
alisten1   pvsynth   fdm

          outs      alisten1, alisten1
  
endin

</CsInstruments>
<CsScore>

i 1 0 100

</CsScore>
</CsoundSynthesizer>

On Sun, Mar 20, 2016 at 10:31 AM, jpff <jpff@codemist.co.uk> wrote:
When we tried pvsdemix we could ot ear any problem.  I think we need an examle and annotated output to further this.
==jon ffy


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Date2016-03-20 17:56
Fromjpff
SubjectRe: Question about reloading instruments
And stereo.wav is?  Or does it always happen?  When does the sound change? 
I did not hear anything odd before.

On Sun, 20 Mar 2016, Jimmy Manone wrote:

> I've tried it on both windows and Linux. I'm currently running it on a
> beaglebone and getting the same problem. It is a small difference in the
> sound. In this code, you should be able to hear it as the sound changes:
> 
> 
> 
> -i adc -o dac
> 
> 
> 
> 
> sr = 44100
> ksmps = 441
> kr = 100
> nchnls = 2
> 
> 
> gifftsiz  =         1024
> giwintyp  =         1
> 
> 
> instr 1
> kexpr  linseg 1,
> 5,.5,5,0.25,5,0,5,-.25,5,-.5,5,-1,5,-.5,5,-.25,5,0,5,.25,5,.5,5,1,5,0 ;Move
> panning position between positive and negative values
> 
> ain, ain2 soundin "stereo.wav"
> 
> fsig      pvsanal   ain, gifftsiz, gifftsiz/2, gifftsiz*2, giwintyp
> fsig2     pvsanal   ain2, gifftsiz, gifftsiz/2, gifftsiz*2, giwintyp
> fdm       pvsdemix  fsig, fsig2, kexpr, 15, 15
> alisten1   pvsynth   fdm
> 
>           outs      alisten1, alisten1
>   
> endin
> 
> 
> 
> 
> i 1 0 100
> 
> 
> 
> 
> On Sun, Mar 20, 2016 at 10:31 AM, jpff  wrote:
>       When we tried pvsdemix we could ot ear any problem.  I think we
>       need an examle and annotated output to further this.
>       ==jon ffy
>
>       Csound mailing list
>       Csound@listserv.heanet.ie
>       https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND
>       Send bugs reports to
>              https://github.com/csound/csound/issues
>       Discussions of bugs and features can be posted here
> 
> 
> Csound mailing list Csound@listserv.heanet.ie
> https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to
> https://github.com/csound/csound/issues Discussions of bugs and features can
> be posted here
>

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Date2016-03-20 17:56
FromJimmy Manone
SubjectRe: Question about reloading instruments
Also, are you using Csound v6 or 5 to test it out? I'm using 5, (doubles). I don't know if that makes any difference.

On Sun, Mar 20, 2016 at 10:31 AM, jpff <jpff@codemist.co.uk> wrote:
When we tried pvsdemix we could ot ear any problem.  I think we need an examle and annotated output to further this.
==jon ffy


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Date2016-03-20 18:02
Fromjpff
SubjectRe: Question about reloading instruments
csound5 is so long ago.  I am using 6.07 draft.  No idea what may have 
changed since 5

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Date2016-03-20 18:47
FromJimmy Manone
SubjectRe: Question about reloading instruments
I think I will give that a shot and build with pvsdemix. That could be the problem.

On Sun, Mar 20, 2016 at 11:02 AM, jpff <jpff@codemist.co.uk> wrote:
csound5 is so long ago.  I am using 6.07 draft.  No idea what may have changed since 5


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Date2016-03-20 20:05
Fromjpff
SubjectRe: Question about reloading instruments
Do you  mean to have 0dbfs set to 1?  Currently I hear nowt


On Sun, 20 Mar 2016, Jimmy Manone wrote:

> I've tried it on both windows and Linux. I'm currently running it on a
> beaglebone and getting the same problem. It is a small difference in the
> sound. In this code, you should be able to hear it as the sound changes:
> 
> 
> 
> -i adc -o dac
> 
> 
> 
> 
> sr = 44100
> ksmps = 441
> kr = 100
> nchnls = 2
> 
> 
> gifftsiz  =         1024
> giwintyp  =         1
> 
> 
> instr 1
> kexpr  linseg 1,
> 5,.5,5,0.25,5,0,5,-.25,5,-.5,5,-1,5,-.5,5,-.25,5,0,5,.25,5,.5,5,1,5,0 ;Move
> panning position between positive and negative values
> 
> ain, ain2 soundin "stereo.wav"
> 
> fsig      pvsanal   ain, gifftsiz, gifftsiz/2, gifftsiz*2, giwintyp
> fsig2     pvsanal   ain2, gifftsiz, gifftsiz/2, gifftsiz*2, giwintyp
> fdm       pvsdemix  fsig, fsig2, kexpr, 15, 15
> alisten1   pvsynth   fdm
> 
>           outs      alisten1, alisten1
>   
> endin
> 
> 
> 
> 
> i 1 0 100
> 
> 
> 
> 
> On Sun, Mar 20, 2016 at 10:31 AM, jpff  wrote:
>       When we tried pvsdemix we could ot ear any problem.  I think we
>       need an examle and annotated output to further this.
>       ==jon ffy
>
>       Csound mailing list
>       Csound@listserv.heanet.ie
>       https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND
>       Send bugs reports to
>              https://github.com/csound/csound/issues
>       Discussions of bugs and features can be posted here
> 
> 
> Csound mailing list Csound@listserv.heanet.ie
> https://listserv.heanet.ie/cgi-bin/wa?A0=CSOUND Send bugs reports to
> https://github.com/csound/csound/issues Discussions of bugs and features can
> be posted here
>

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Date2016-03-20 20:22
FromJimmy Manone
SubjectRe: Question about reloading instruments
Strangely enough - it still does the same thing! The effect (in either version) is subtle, but it is there. v6 seems to run a bit snappier, though.

On Sun, Mar 20, 2016 at 11:02 AM, jpff <jpff@codemist.co.uk> wrote:
csound5 is so long ago.  I am using 6.07 draft.  No idea what may have changed since 5


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Date2016-03-20 20:36
Fromjpff
SubjectRe: Question about reloading instruments
I still cannot hear anything odd; I looked hard at aroud 15s and all is OK
Did you make the changes Victor suggested?  hopsize and the like?

Unless you can proviide an eample we will have to ignore tis

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Date2016-03-21 11:59
FromJimmy Manone
SubjectRe: Question about reloading instruments
As for the hopsize suggestions, I'm looking but cannot find any of Victor's suggestions in this thread. As for stereo.wav, for me it is generalized for any stereo wav file laying around.

The sound difference should occur from 25s onward, as that is where it crosses the threshold between positive and negative values. From that point, it should continue to sound that way. 



On Sunday, March 20, 2016, jpff <jpff@codemist.co.uk> wrote:
I still cannot hear anything odd; I looked hard at aroud 15s and all is OK
Did you make the changes Victor suggested?  hopsize and the like?

Unless you can proviide an eample we will have to ignore tis

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Date2016-03-21 12:14
FromJimmy Manone
SubjectRe: Question about reloading instruments
Also, the effect I am mentioning is especially apparent when processing speech segments. I have a stereo file that has 3 different speakers speaking at the same time panned across the stereo spectrum for testing. If you like I can zip and give a dropbox link to either the actual file or the sound I am getting from the processing - whatever the protocol for sharing links is, I'll follow it.

(Also, yes 0dbfs = 1 - I forgot to put that in)

On Sun, Mar 20, 2016 at 1:36 PM, jpff <jpff@codemist.co.uk> wrote:
I still cannot hear anything odd; I looked hard at aroud 15s and all is OK
Did you make the changes Victor suggested?  hopsize and the like?

Unless you can proviide an eample we will have to ignore tis


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