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 Forum index » DIY Hardware and Software » Supercollider
What about multi-diffusion under SC ?
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PopCode



Joined: Dec 13, 2008
Posts: 17
Location: france

PostPosted: Fri Jan 09, 2009 4:28 am    Post subject: What about multi-diffusion under SC ? Reply with quote  Mark this post and the followings unread

Hi,

Happy new year to everybody!

So maybe somebody work on multidiffusion on SuperCollider ?
Which librairies are you using to do that work ?
i have found something like this :
http://www.dewdrop-world.net/sc3/tutorials/forums.html?id=4
and this :
http://sonenvir.at/downloads/sc3/ambiem/

what do you think about this?

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PopCode



Joined: Dec 13, 2008
Posts: 17
Location: france

PostPosted: Tue Jan 13, 2009 7:16 am    Post subject: Reply with quote  Mark this post and the followings unread

Hi,

Maybe it's not enough clear in my bad english Rolling Eyes ...
I just want to know if somebody work on sound' s spatialization ...

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dewdrop_world



Joined: Aug 28, 2006
Posts: 858
Location: Guangzhou, China
Audio files: 4

PostPosted: Tue Jan 13, 2009 2:37 pm    Post subject: Reply with quote  Mark this post and the followings unread

Unfortunately, the SC area of this forum is not very popular. Basically I'm the only one who answers questions here, and if I'm busy, it may take several days, a week, two weeks, who knows?

I haven't done any serious multichannel work. My suggestion is to get familiar with the panning UGens first.

Non-ambisonic:
Pan4 (four channels)
PanAz (azimuth panner, arbitrary number of channels)
SplayZ (spread an array of channels at equal angles around a ring of channels)

Ambisonic B-format:
PanB
PanB2
BiPanB2
DecodeB2
Rotate2

"Ambisonics" is a special kind of encoding that facilitates moving signals around in space. I haven't used it so my understanding is limited, but what I know of it is that the signal is encoded with position information, and then it can be mixed with other encoded signals. At the end of the signal chain, a decoder generates the actual signals to play on the speaker array. If the speakers are positioned properly, the decoded sound gives the impression of spatial positioning -- but this is not the same as putting a sound on a specific speaker.

I think the sc3-plugins project at Sourceforge has a different version of ambisonics - go here http://supercollider.sourceforge.net/ and click the "plugins and extensions" link.

MixerChannel is my creation. In itself it's not a multichannel diffusion system -- it's really a framework to manage signal routing and mixing. I designed it to be open-ended so you can put any kind of panning or specialization mechanism into it. Once you do that, then MixerChannel can be used as part of a multichannel diffusion system.

James

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PopCode



Joined: Dec 13, 2008
Posts: 17
Location: france

PostPosted: Fri Jan 16, 2009 3:17 pm    Post subject: Reply with quote  Mark this post and the followings unread

Ok James, thank you so much .

i'm really sad about the desert on this forum...So ok for your tips, i'm going to work on panning UGen first.
maybe you know a real active forum about this incredible but difficult programming language ? Confused

so i want to try your MixerChannel in next week...

thanks and see you.

Tom
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dewdrop_world



Joined: Aug 28, 2006
Posts: 858
Location: Guangzhou, China
Audio files: 4

PostPosted: Tue Jan 20, 2009 6:29 am    Post subject: Reply with quote  Mark this post and the followings unread

PopCode wrote:

maybe you know a real active forum about this incredible but difficult programming language ? Confused


The SC portal has a "community" page listing some good resources. The best is the very active mailing list. There have been a couple of tries to get a web forum going, but because the list is so established, they never took off. Nabble is a decent web-forum style interface for the mailing list. (To post questions etc. using Nabble, you do need to subscribe to the ML but there is a no-delivery option if you prefer not to get emails.)

James

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Maks



Joined: Jan 14, 2009
Posts: 8
Location: United States
Audio files: 1

PostPosted: Wed Jan 21, 2009 1:07 pm    Post subject: Hello World Reply with quote  Mark this post and the followings unread

Well, I am an absolute newcomer to SC, but with hopes of creating some more water (posts) in the desert that is this forum...Hello World!

I attached my first SC sequence! I've only been working with SC for a little under a week but I love it. I have to say the help/documentation is pretty lame in the sense that you can only (to my knowledge) get immediate help with UGens. What if I want help/examples on one of the many methods/messages (like rrand, count, etc.). For now I am just relegated to searching manualy through the help files that are not even in alphabetical order.

Well, enjoy the generative synth pop.


Karrow.mp3
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 Filename:  Karrow.mp3
 Filesize:  5.9 MB
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dewdrop_world



Joined: Aug 28, 2006
Posts: 858
Location: Guangzhou, China
Audio files: 4

PostPosted: Wed Jan 21, 2009 7:18 pm    Post subject: Re: Hello World Reply with quote  Mark this post and the followings unread

Maks wrote:
I have to say the help/documentation is pretty lame in the sense that you can only (to my knowledge) get immediate help with UGens.


Get the 3.3 alpha 2 package built yesterday (downloads page from the sc portal). It has a help gui with a search feature - cmd-shift-D on mac, or Help.gui programmatically.

Will listen to your track later Smile

James

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