Ambisonic objects

[Alexandre Quessy]

Hello!
I am considering porting my Ambisonic abstractions for Pure Data to
Pyo.
They are currently part of the rather deprecated PdMtlAbstractions:

http://wiki.dataflow.ws/PdMtlAbstractions

I just wanted to ask this: would it be much better if they were
written in C, or would it make not much difference.?(performance-
wise)

Typically, an Ambisonic decoder accepts from N channels as input,
(where N is from 3 to about 7) and outputs a single channel. An
encoder accepts one input and has N output channels. (the other way
around) An object that would rotate a whole scene would accept N
channel.

Thanks,
Alexandre Quessy
http://alexandre.quessy.net

[Olivier Bélanger]

Hi Alexandre,

You can probably sktech all the processes directly in pyo but I think it will significantly increases CPU usage... A single object written in C will be more effective.
I can help you with the guidelines of the PyoObject design.

Are you comming to UdeM finally? I heard you've seen Jean recently...

Olivier

2011/4/21 Alexandre Quessy <que...@gmail.com>

[Andres Cabrera]

Hi Olivier,

Have you considered an easier sdk for pyo object creation? The process
is currently quite convoluted...

Cheers,
Andres

2011/4/21 Olivier Bélanger <bela...@gmail.com>:

[Olivier Bélanger]

Well, we have to deal with the Python object structure but it's not very complicated. It's always in my plan to write a tutorial an a SDK with examples and an empty framework to start writing pyo objects. I'll have more time this summer, I'll be on it!

Olivier

2011/4/21 Andres Cabrera <manta...@gmail.com>

[Alexandre Quessy]

Hello Olivier,

Le 21 avril 2011 10:45, Olivier Bélanger <bela...@gmail.com> a écrit :
> You can probably sktech all the processes directly in pyo but I think it
> will significantly increases CPU usage... A single object written in C will
> be more effective.
> I can help you with the guidelines of the PyoObject design.
>

I'd be interested in doing it in C. I have good C and DSP skills, so
it should be pretty fast.
Would you like to meet for a beer or skotch? Otherwise, we can do this
over email/chat/phone.

> Are you comming to UdeM finally? I heard you've seen Jean recently...
>

I will take a few more months to get my master thesis done, so I'm not
going to join your research group next fall, unfortunately. Maybe in a
year? We'll see.

Later,
--
Alexandre Quessy
http://alexandre.quessy.net/

[Alexandre Quessy]

Hello again,

Le 21 avril 2011 11:18, Olivier Bélanger <bela...@gmail.com> a écrit :
> Well, we have to deal with the Python object structure but it's not very
> complicated. It's always in my plan to write a tutorial an a SDK with
> examples and an empty framework to start writing pyo objects. I'll have more
> time this summer, I'll be on it!

I can help with a quick tutorial if you help me a little. :)

Cheers,

[Olivier Bélanger]

Nice! I want to start my summer class and after that, I'm starting on this... I'll keep you in touch!

Olivier

2011/4/26 Alexandre Quessy <alex...@quessy.net>