The massign opcode allows you to assign one instrument to one MIDI channel.
That's a one to one relationship.

What if you need to assign multiple instruments to one MIDI channel (one to
many relationship)?

It's a frequent situation when playing a keyboard live -- the need to
activate more than one instrument. How do you do that?

Thanks in advance.

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You might like to check out this thread in the list archive:

http://csound.1045644.n5.nabble.com/Activating-instruments-with-midi-td2265590.html#a2266534

On 15 June 2011 22:35, Samuel Sagan  wrote:
> The massign opcode allows you to assign one instrument to one MIDI channel.
> That's a one to one relationship.
>
> What if you need to assign multiple instruments to one MIDI channel (one to
> many relationship)?
>
> It's a frequent situation when playing a keyboard live -- the need to
> activate more than one instrument. How do you do that?
>
> Thanks in advance.
>
> --
> View this message in context: http://csound.1045644.n5.nabble.com/Playing-multiple-instruments-from-a-single-MIDI-channel-tp4492560p4492560.html
> Sent from the Csound - General mailing list archive at Nabble.com.
>
>
> Send bugs reports to the Sourceforge bug tracker
>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe csound"
>
>


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you can call your other instruments from the one that is triggered by  
the MIDI note:


instr 1
i1 cpsmidi
a1 oscils 0.1, i1, 0
a2 subinstr 21,i1*1.5
out a1+a2
endin

instr 21
i1 cpsmidi
a1 oscils 0.1, p4, 0
out a1
endin


On 15 Jun 2011, at 21:35, Samuel Sagan wrote:

> The massign opcode allows you to assign one instrument to one MIDI  
> channel.
> That's a one to one relationship.
>
> What if you need to assign multiple instruments to one MIDI channel  
> (one to
> many relationship)?
>
> It's a frequent situation when playing a keyboard live -- the need to
> activate more than one instrument. How do you do that?
>
> Thanks in advance.
>
> --
> View this message in context: http://csound.1045644.n5.nabble.com/Playing-multiple-instruments-from-a-single-MIDI-channel-tp4492560p4492560.html
> Sent from the Csound - General mailing list archive at Nabble.com.
>
>
> Send bugs reports to the Sourceforge bug tracker
>            https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body  
> "unsubscribe csound"
>

Dr Victor Lazzarini
Senior Lecturer
Dept. of Music
NUI Maynooth Ireland
tel.: +353 1 708 3545
Victor dot Lazzarini AT nuim dot ie





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Thanks very much.

Working fine!

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Here's a simple Python way to do this:

def mmasign(*args):
  buffer = '' # return value
  for i in range(1, len(args)):
    buffer += "massign {}, {}".format(args[0], args[i])
  return buffer
# end

This can be used like this:

orc += mmasign(1, 1,24,28,37,99)

(This code requires Python 3; 3.2 recommended!)

Hope this helps somewhat.

Adam

On 6/16/11, Richard Boulanger  wrote:
> Victor,
>
> Thanks for this reminder and solution.  I use it myself,
> but we really really really do need a "simple" massign way of mapping
> MIDI input from one input channel to multiple Csound MIDI instruments
> (to play them back in a layered orchestration - something so common and
> standard)
>
> Something like:
>
> mmassign  1,  1,2,28,49
> mmassign  2,  1,28,49,122
>
> A multi MIDI assign
>
> MIDI messages from channel 1 are mapped to instruments  1, 2, 28 and 49
> MIDI messages from channel 2 are mapped to instruments  1, 28, 49 and 122
>
> Could someone write this code or add this (standard commercial) feature to
> Csound?
> It would be great.
>
> Dr. B.
>
>
> Richard Boulanger, Ph.D.
> Professor of Electronic Production and Design
> Music Technology Division
> Berklee College of Music
> 1140 Boylston Street
> Boston, MA 02215
> 617-747-2485 (office)
> 774-488-9166 (cell)
> rboulanger@berklee.edu
> http://csounds.com/boulanger
>
> On Jun 15, 2011, at 4:48 PM, Victor Lazzarini wrote:
>
>> you can call your other instruments from the one that is triggered by the
>> MIDI note:
>>
>>
>> instr 1
>> i1 cpsmidi
>> a1 oscils 0.1, i1, 0
>> a2 subinstr 21,i1*1.5
>> out a1+a2
>> endin
>>
>> instr 21
>> i1 cpsmidi
>> a1 oscils 0.1, p4, 0
>> out a1
>> endin
>>
>>
>> On 15 Jun 2011, at 21:35, Samuel Sagan wrote:
>>
>>> The massign opcode allows you to assign one instrument to one MIDI
>>> channel.
>>> That's a one to one relationship.
>>>
>>> What if you need to assign multiple instruments to one MIDI channel (one
>>> to
>>> many relationship)?
>>>
>>> It's a frequent situation when playing a keyboard live -- the need to
>>> activate more than one instrument. How do you do that?
>>>
>>> Thanks in advance.
>>>
>>> --
>>> View this message in context:
>>> http://csound.1045644.n5.nabble.com/Playing-multiple-instruments-from-a-single-MIDI-channel-tp4492560p4492560.html
>>> Sent from the Csound - General mailing list archive at Nabble.com.
>>>
>>>
>>> Send bugs reports to the Sourceforge bug tracker
>>>           https://sourceforge.net/tracker/?group_id=81968&atid=564599
>>> Discussions of bugs and features can be posted here
>>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
>>> csound"
>>>
>>
>> Dr Victor Lazzarini
>> Senior Lecturer
>> Dept. of Music
>> NUI Maynooth Ireland
>> tel.: +353 1 708 3545
>> Victor dot Lazzarini AT nuim dot ie
>>
>>
>>
>>
>>
>> Send bugs reports to the Sourceforge bug tracker
>>           https://sourceforge.net/tracker/?group_id=81968&atid=564599
>> Discussions of bugs and features can be posted here
>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
>> csound"
>>
>
>
> Send bugs reports to the Sourceforge bug tracker
>             https://sourceforge.net/tracker/?group_id=81968&atid=564599
> Discussions of bugs and features can be posted here
> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
> csound"
>
>


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Sorry, there is a bug in the above code! It should be:

buffer += "massign {}, {}\n".format(args[0], args[i])

On 6/16/11, Adam Puckett  wrote:
> Here's a simple Python way to do this:
>
> def mmasign(*args):
>   buffer = '' # return value
>   for i in range(1, len(args)):
>     buffer += "massign {}, {}".format(args[0], args[i])
>   return buffer
> # end
>
> This can be used like this:
>
> orc += mmasign(1, 1,24,28,37,99)
>
> (This code requires Python 3; 3.2 recommended!)
>
> Hope this helps somewhat.
>
> Adam
>
> On 6/16/11, Richard Boulanger  wrote:
>> Victor,
>>
>> Thanks for this reminder and solution.  I use it myself,
>> but we really really really do need a "simple" massign way of mapping
>> MIDI input from one input channel to multiple Csound MIDI instruments
>> (to play them back in a layered orchestration - something so common and
>> standard)
>>
>> Something like:
>>
>> mmassign  1,  1,2,28,49
>> mmassign  2,  1,28,49,122
>>
>> A multi MIDI assign
>>
>> MIDI messages from channel 1 are mapped to instruments  1, 2, 28 and 49
>> MIDI messages from channel 2 are mapped to instruments  1, 28, 49 and 122
>>
>> Could someone write this code or add this (standard commercial) feature
>> to
>> Csound?
>> It would be great.
>>
>> Dr. B.
>>
>>
>> Richard Boulanger, Ph.D.
>> Professor of Electronic Production and Design
>> Music Technology Division
>> Berklee College of Music
>> 1140 Boylston Street
>> Boston, MA 02215
>> 617-747-2485 (office)
>> 774-488-9166 (cell)
>> rboulanger@berklee.edu
>> http://csounds.com/boulanger
>>
>> On Jun 15, 2011, at 4:48 PM, Victor Lazzarini wrote:
>>
>>> you can call your other instruments from the one that is triggered by
>>> the
>>> MIDI note:
>>>
>>>
>>> instr 1
>>> i1 cpsmidi
>>> a1 oscils 0.1, i1, 0
>>> a2 subinstr 21,i1*1.5
>>> out a1+a2
>>> endin
>>>
>>> instr 21
>>> i1 cpsmidi
>>> a1 oscils 0.1, p4, 0
>>> out a1
>>> endin
>>>
>>>
>>> On 15 Jun 2011, at 21:35, Samuel Sagan wrote:
>>>
>>>> The massign opcode allows you to assign one instrument to one MIDI
>>>> channel.
>>>> That's a one to one relationship.
>>>>
>>>> What if you need to assign multiple instruments to one MIDI channel
>>>> (one
>>>> to
>>>> many relationship)?
>>>>
>>>> It's a frequent situation when playing a keyboard live -- the need to
>>>> activate more than one instrument. How do you do that?
>>>>
>>>> Thanks in advance.
>>>>
>>>> --
>>>> View this message in context:
>>>> http://csound.1045644.n5.nabble.com/Playing-multiple-instruments-from-a-single-MIDI-channel-tp4492560p4492560.html
>>>> Sent from the Csound - General mailing list archive at Nabble.com.
>>>>
>>>>
>>>> Send bugs reports to the Sourceforge bug tracker
>>>>           https://sourceforge.net/tracker/?group_id=81968&atid=564599
>>>> Discussions of bugs and features can be posted here
>>>> To unsubscribe, send email sympa@lists.bath.ac.uk with body
>>>> "unsubscribe
>>>> csound"
>>>>
>>>
>>> Dr Victor Lazzarini
>>> Senior Lecturer
>>> Dept. of Music
>>> NUI Maynooth Ireland
>>> tel.: +353 1 708 3545
>>> Victor dot Lazzarini AT nuim dot ie
>>>
>>>
>>>
>>>
>>>
>>> Send bugs reports to the Sourceforge bug tracker
>>>           https://sourceforge.net/tracker/?group_id=81968&atid=564599
>>> Discussions of bugs and features can be posted here
>>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
>>> csound"
>>>
>>
>>
>> Send bugs reports to the Sourceforge bug tracker
>>             https://sourceforge.net/tracker/?group_id=81968&atid=564599
>> Discussions of bugs and features can be posted here
>> To unsubscribe, send email sympa@lists.bath.ac.uk with body "unsubscribe
>> csound"
>>
>>
>


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