Not sure why this behaves oddly, but something seems off...
Something related to reading from a chn channel in two simultaneous
instances of the same instr, .. and it is only a problem if the instr
has an indefinite duration.

Will report an issue once I figure out what the issue is.
Could some of you test to see if you have sound in both channels with this one?






sr = 44100
ksmps = 128
nchnls = 2
0dbfs = 1


instr 1
a1      rnd31 1, 1
        chnset a1, "a1"
endin

instr 30
Schn    strget p4
iout    = p5
iamp    = ampdbfs(p6)
a1      chnget Schn
        outch iout, a1*iamp
    endin




; ** problem: sound only in output channel 2
i1 0 -1
i30 0 -1  "a1" 1 -1
i30 0 -1  "a1" 2 -1
f0 10

; ** works ok
;i1 0 10
;i30 0 10  "a1" 1 -1
;i30 0 10  "a1" 2 -1

; ** also works ok
;i1 0 -1
;i30.1 0 -1  "a1" 1 -1
;i30.2 0 -1  "a1" 2 -1
;f0 10





-- 

Oeyvind Brandtsegg
Professor of Music Technology
NTNU
7491 Trondheim
Norway
Cell: +47 92 203 205

http://www.partikkelaudio.com/
http://soundcloud.com/brandtsegg
http://flyndresang.no/

I think the second instance is replacing the first. 

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

> On 7 Mar 2016, at 14:15, Oeyvind Brandtsegg  wrote:
> 
> Not sure why this behaves oddly, but something seems off...
> Something related to reading from a chn channel in two simultaneous
> instances of the same instr, .. and it is only a problem if the instr
> has an indefinite duration.
> 
> Will report an issue once I figure out what the issue is.
> Could some of you test to see if you have sound in both channels with this one?
> 
> 
> 
> 
> 
> 
> sr = 44100
> ksmps = 128
> nchnls = 2
> 0dbfs = 1
> 
> 
> instr 1
> a1      rnd31 1, 1
>        chnset a1, "a1"
> endin
> 
> instr 30
> Schn    strget p4
> iout    = p5
> iamp    = ampdbfs(p6)
> a1      chnget Schn
>        outch iout, a1*iamp
>    endin
> 
> 
> 
> 
> ; ** problem: sound only in output channel 2
> i1 0 -1
> i30 0 -1  "a1" 1 -1
> i30 0 -1  "a1" 2 -1
> f0 10
> 
> ; ** works ok
> ;i1 0 10
> ;i30 0 10  "a1" 1 -1
> ;i30 0 10  "a1" 2 -1
> 
> ; ** also works ok
> ;i1 0 -1
> ;i30.1 0 -1  "a1" 1 -1
> ;i30.2 0 -1  "a1" 2 -1
> ;f0 10
> 
> 
> 
> 
> 
> -- 
> 
> Oeyvind Brandtsegg
> Professor of Music Technology
> NTNU
> 7491 Trondheim
> Norway
> Cell: +47 92 203 205
> 
> http://www.partikkelaudio.com/
> http://soundcloud.com/brandtsegg
> http://flyndresang.no/

I think the issue is that the negative p3 denotes tied notes, which
means the previous instance of the note is re-used with the next note.
So for the first example, the two i30 notes actually share the same
state and only one real instance is in memory.  The latter example
that uses fractional p1 ties notes too but there are no previous
fractional p1 instances to tie to, so it ends up being two real
instances of notes.

On Mon, Mar 7, 2016 at 9:40 AM, Victor Lazzarini
 wrote:
> I think the second instance is replacing the first.
>
> Victor Lazzarini
> Dean of Arts, Celtic Studies, and Philosophy
> Maynooth University
> Ireland
>
>> On 7 Mar 2016, at 14:15, Oeyvind Brandtsegg  wrote:
>>
>> Not sure why this behaves oddly, but something seems off...
>> Something related to reading from a chn channel in two simultaneous
>> instances of the same instr, .. and it is only a problem if the instr
>> has an indefinite duration.
>>
>> Will report an issue once I figure out what the issue is.
>> Could some of you test to see if you have sound in both channels with this one?
>>
>> 
>> 
>> 
>> 
>>
>> sr = 44100
>> ksmps = 128
>> nchnls = 2
>> 0dbfs = 1
>>
>>
>> instr 1
>> a1      rnd31 1, 1
>>        chnset a1, "a1"
>> endin
>>
>> instr 30
>> Schn    strget p4
>> iout    = p5
>> iamp    = ampdbfs(p6)
>> a1      chnget Schn
>>        outch iout, a1*iamp
>>    endin
>>
>> 
>> 
>>
>> ; ** problem: sound only in output channel 2
>> i1 0 -1
>> i30 0 -1  "a1" 1 -1
>> i30 0 -1  "a1" 2 -1
>> f0 10
>>
>> ; ** works ok
>> ;i1 0 10
>> ;i30 0 10  "a1" 1 -1
>> ;i30 0 10  "a1" 2 -1
>>
>> ; ** also works ok
>> ;i1 0 -1
>> ;i30.1 0 -1  "a1" 1 -1
>> ;i30.2 0 -1  "a1" 2 -1
>> ;f0 10
>>
>> 
>> 
>>
>>
>> --
>>
>> Oeyvind Brandtsegg
>> Professor of Music Technology
>> NTNU
>> 7491 Trondheim
>> Norway
>> Cell: +47 92 203 205
>>
>> http://www.partikkelaudio.com/
>> http://soundcloud.com/brandtsegg
>> http://flyndresang.no/

That makes sense,
thank you so much.

I discovered this when I recompiled Csound on a computer used for
sound installation. The previous build was approx 2 years old, and did
not show the same behaviour.
Still, it seems the current way it works makes sense. So we just leave
it like this then (?)

2016-03-07 16:18 GMT+01:00 Steven Yi :
> I think the issue is that the negative p3 denotes tied notes, which
> means the previous instance of the note is re-used with the next note.
> So for the first example, the two i30 notes actually share the same
> state and only one real instance is in memory.  The latter example
> that uses fractional p1 ties notes too but there are no previous
> fractional p1 instances to tie to, so it ends up being two real
> instances of notes.
>
> On Mon, Mar 7, 2016 at 9:40 AM, Victor Lazzarini
>  wrote:
>> I think the second instance is replacing the first.
>>
>> Victor Lazzarini
>> Dean of Arts, Celtic Studies, and Philosophy
>> Maynooth University
>> Ireland
>>
>>> On 7 Mar 2016, at 14:15, Oeyvind Brandtsegg  wrote:
>>>
>>> Not sure why this behaves oddly, but something seems off...
>>> Something related to reading from a chn channel in two simultaneous
>>> instances of the same instr, .. and it is only a problem if the instr
>>> has an indefinite duration.
>>>
>>> Will report an issue once I figure out what the issue is.
>>> Could some of you test to see if you have sound in both channels with this one?
>>>
>>> 
>>> 
>>> 
>>> 
>>>
>>> sr = 44100
>>> ksmps = 128
>>> nchnls = 2
>>> 0dbfs = 1
>>>
>>>
>>> instr 1
>>> a1      rnd31 1, 1
>>>        chnset a1, "a1"
>>> endin
>>>
>>> instr 30
>>> Schn    strget p4
>>> iout    = p5
>>> iamp    = ampdbfs(p6)
>>> a1      chnget Schn
>>>        outch iout, a1*iamp
>>>    endin
>>>
>>> 
>>> 
>>>
>>> ; ** problem: sound only in output channel 2
>>> i1 0 -1
>>> i30 0 -1  "a1" 1 -1
>>> i30 0 -1  "a1" 2 -1
>>> f0 10
>>>
>>> ; ** works ok
>>> ;i1 0 10
>>> ;i30 0 10  "a1" 1 -1
>>> ;i30 0 10  "a1" 2 -1
>>>
>>> ; ** also works ok
>>> ;i1 0 -1
>>> ;i30.1 0 -1  "a1" 1 -1
>>> ;i30.2 0 -1  "a1" 2 -1
>>> ;f0 10
>>>
>>> 
>>> 
>>>
>>>
>>> --
>>>
>>> Oeyvind Brandtsegg
>>> Professor of Music Technology
>>> NTNU
>>> 7491 Trondheim
>>> Norway
>>> Cell: +47 92 203 205
>>>
>>> http://www.partikkelaudio.com/
>>> http://soundcloud.com/brandtsegg
>>> http://flyndresang.no/
>>> http://soundcloud.com/t-emp



-- 

Oeyvind Brandtsegg
Professor of Music Technology
NTNU
7491 Trondheim
Norway
Cell: +47 92 203 205

http://www.partikkelaudio.com/
http://soundcloud.com/brandtsegg
http://flyndresang.no/

This is how the manual says it works as far as I know (tied notes).
========================
Dr Victor Lazzarini
Dean of Arts, Celtic Studies and Philosophy,
Maynooth University,
Maynooth, Co Kildare, Ireland
Tel: 00 353 7086936
Fax: 00 353 1 7086952 

> On 7 Mar 2016, at 15:40, Oeyvind Brandtsegg  wrote:
> 
> That makes sense,
> thank you so much.
> 
> I discovered this when I recompiled Csound on a computer used for
> sound installation. The previous build was approx 2 years old, and did
> not show the same behaviour.
> Still, it seems the current way it works makes sense. So we just leave
> it like this then (?)
> 
> 2016-03-07 16:18 GMT+01:00 Steven Yi :
>> I think the issue is that the negative p3 denotes tied notes, which
>> means the previous instance of the note is re-used with the next note.
>> So for the first example, the two i30 notes actually share the same
>> state and only one real instance is in memory.  The latter example
>> that uses fractional p1 ties notes too but there are no previous
>> fractional p1 instances to tie to, so it ends up being two real
>> instances of notes.
>> 
>> On Mon, Mar 7, 2016 at 9:40 AM, Victor Lazzarini
>>  wrote:
>>> I think the second instance is replacing the first.
>>> 
>>> Victor Lazzarini
>>> Dean of Arts, Celtic Studies, and Philosophy
>>> Maynooth University
>>> Ireland
>>> 
>>>> On 7 Mar 2016, at 14:15, Oeyvind Brandtsegg  wrote:
>>>> 
>>>> Not sure why this behaves oddly, but something seems off...
>>>> Something related to reading from a chn channel in two simultaneous
>>>> instances of the same instr, .. and it is only a problem if the instr
>>>> has an indefinite duration.
>>>> 
>>>> Will report an issue once I figure out what the issue is.
>>>> Could some of you test to see if you have sound in both channels with this one?
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> sr = 44100
>>>> ksmps = 128
>>>> nchnls = 2
>>>> 0dbfs = 1
>>>> 
>>>> 
>>>> instr 1
>>>> a1      rnd31 1, 1
>>>>       chnset a1, "a1"
>>>> endin
>>>> 
>>>> instr 30
>>>> Schn    strget p4
>>>> iout    = p5
>>>> iamp    = ampdbfs(p6)
>>>> a1      chnget Schn
>>>>       outch iout, a1*iamp
>>>>   endin
>>>> 
>>>> 
>>>> 
>>>> 
>>>> ; ** problem: sound only in output channel 2
>>>> i1 0 -1
>>>> i30 0 -1  "a1" 1 -1
>>>> i30 0 -1  "a1" 2 -1
>>>> f0 10
>>>> 
>>>> ; ** works ok
>>>> ;i1 0 10
>>>> ;i30 0 10  "a1" 1 -1
>>>> ;i30 0 10  "a1" 2 -1
>>>> 
>>>> ; ** also works ok
>>>> ;i1 0 -1
>>>> ;i30.1 0 -1  "a1" 1 -1
>>>> ;i30.2 0 -1  "a1" 2 -1
>>>> ;f0 10
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> --
>>>> 
>>>> Oeyvind Brandtsegg
>>>> Professor of Music Technology
>>>> NTNU
>>>> 7491 Trondheim
>>>> Norway
>>>> Cell: +47 92 203 205
>>>> 
>>>> http://www.partikkelaudio.com/
>>>> http://soundcloud.com/brandtsegg
>>>> http://flyndresang.no/
>>>> http://soundcloud.com/t-emp
> 
> 
> 
> -- 
> 
> Oeyvind Brandtsegg
> Professor of Music Technology
> NTNU
> 7491 Trondheim
> Norway
> Cell: +47 92 203 205
> 
> http://www.partikkelaudio.com/
> http://soundcloud.com/brandtsegg
> http://flyndresang.no/

All good then.

2016-03-07 16:58 GMT+01:00 Victor Lazzarini :
> This is how the manual says it works as far as I know (tied notes).
> ========================
> Dr Victor Lazzarini
> Dean of Arts, Celtic Studies and Philosophy,
> Maynooth University,
> Maynooth, Co Kildare, Ireland
> Tel: 00 353 7086936
> Fax: 00 353 1 7086952
>
>> On 7 Mar 2016, at 15:40, Oeyvind Brandtsegg  wrote:
>>
>> That makes sense,
>> thank you so much.
>>
>> I discovered this when I recompiled Csound on a computer used for
>> sound installation. The previous build was approx 2 years old, and did
>> not show the same behaviour.
>> Still, it seems the current way it works makes sense. So we just leave
>> it like this then (?)
>>
>> 2016-03-07 16:18 GMT+01:00 Steven Yi :
>>> I think the issue is that the negative p3 denotes tied notes, which
>>> means the previous instance of the note is re-used with the next note.
>>> So for the first example, the two i30 notes actually share the same
>>> state and only one real instance is in memory.  The latter example
>>> that uses fractional p1 ties notes too but there are no previous
>>> fractional p1 instances to tie to, so it ends up being two real
>>> instances of notes.
>>>
>>> On Mon, Mar 7, 2016 at 9:40 AM, Victor Lazzarini
>>>  wrote:
>>>> I think the second instance is replacing the first.
>>>>
>>>> Victor Lazzarini
>>>> Dean of Arts, Celtic Studies, and Philosophy
>>>> Maynooth University
>>>> Ireland
>>>>
>>>>> On 7 Mar 2016, at 14:15, Oeyvind Brandtsegg  wrote:
>>>>>
>>>>> Not sure why this behaves oddly, but something seems off...
>>>>> Something related to reading from a chn channel in two simultaneous
>>>>> instances of the same instr, .. and it is only a problem if the instr
>>>>> has an indefinite duration.
>>>>>
>>>>> Will report an issue once I figure out what the issue is.
>>>>> Could some of you test to see if you have sound in both channels with this one?
>>>>>
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>>
>>>>> sr = 44100
>>>>> ksmps = 128
>>>>> nchnls = 2
>>>>> 0dbfs = 1
>>>>>
>>>>>
>>>>> instr 1
>>>>> a1      rnd31 1, 1
>>>>>       chnset a1, "a1"
>>>>> endin
>>>>>
>>>>> instr 30
>>>>> Schn    strget p4
>>>>> iout    = p5
>>>>> iamp    = ampdbfs(p6)
>>>>> a1      chnget Schn
>>>>>       outch iout, a1*iamp
>>>>>   endin
>>>>>
>>>>> 
>>>>> 
>>>>>
>>>>> ; ** problem: sound only in output channel 2
>>>>> i1 0 -1
>>>>> i30 0 -1  "a1" 1 -1
>>>>> i30 0 -1  "a1" 2 -1
>>>>> f0 10
>>>>>
>>>>> ; ** works ok
>>>>> ;i1 0 10
>>>>> ;i30 0 10  "a1" 1 -1
>>>>> ;i30 0 10  "a1" 2 -1
>>>>>
>>>>> ; ** also works ok
>>>>> ;i1 0 -1
>>>>> ;i30.1 0 -1  "a1" 1 -1
>>>>> ;i30.2 0 -1  "a1" 2 -1
>>>>> ;f0 10
>>>>>
>>>>> 
>>>>> 
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> Oeyvind Brandtsegg
>>>>> Professor of Music Technology
>>>>> NTNU
>>>>> 7491 Trondheim
>>>>> Norway
>>>>> Cell: +47 92 203 205
>>>>>
>>>>> http://www.partikkelaudio.com/
>>>>> http://soundcloud.com/brandtsegg
>>>>> http://flyndresang.no/
>>>>> http://soundcloud.com/t-emp
>>
>>
>>
>> --
>>
>> Oeyvind Brandtsegg
>> Professor of Music Technology
>> NTNU
>> 7491 Trondheim
>> Norway
>> Cell: +47 92 203 205
>>
>> http://www.partikkelaudio.com/
>> http://soundcloud.com/brandtsegg
>> http://flyndresang.no/
>> http://soundcloud.com/t-emp



-- 

Oeyvind Brandtsegg
Professor of Music Technology
NTNU
7491 Trondheim
Norway
Cell: +47 92 203 205

http://www.partikkelaudio.com/
http://soundcloud.com/brandtsegg
http://flyndresang.no/