You can declare them in the instrument too. And you don't even need to
explicitly declare them;
- the first time you use chnget the channel will be implicitly
declared (read mode)
- the first time you use chnset the channel will be implicitly
declared (write mode)
This means that you can just start using them without any declaration.
If you feel it is more clear, and feel more safe by explicitly
declaring the channels, that will work well too.

best
Oeyvind

2008/6/19, Joseph Sanger <joseph.sanger@virgin.net>:
> Hello there list,
>
> Just a quick question... I've never used chn before. I intend to use it
> purely within csound, not using the API.
>
> Do chn channels need to be declared in the orchestra header, or is it
> possible to declare them within instruments? I'd like to (for instance) pass
> a string to an instrument from the score, and use that as a channel's name.
>
> Thanks!
>
> Joe
>
> PS Many thanks to Mr. Sateler for the Debian package, works very nicely on
> DebianPPC!
>
>
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>