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Re: AUGraph and connecting many of them together.
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Re: AUGraph and connecting many of them together.


  • Subject: Re: AUGraph and connecting many of them together.
  • From: William Stewart <email@hidden>
  • Date: Fri, 24 Oct 2008 12:05:42 -0700


On Oct 24, 2008, at 5:24 AM, John Clayton wrote:

Hi All,

I'm looking at AUGraph and thinking: hmm... I can construct many independent number of AUGraphs and then string them together to form one final mother-graph.

you can - there is a sub graph notion, however, when we looked at AULab (which uses AUGraph) it turned out to really not provide any additional value for us, so we just used the one graph and built up an object around that that encapsulated all of the knowledge of the topology of the underlying graph. To get some notion of how this is assembled you can:
Use AULab to build a document,
Do a show on the document (there's a print command in the debug) menu


That shows you the graph, and then the collection of objects that we created to abstract the various signal flows in an AULab session

I think it has some education value that is worth spending some time with

Bill



But what I don't 'get' so far is how I connect AUGraphs together. I had *assumed* that this was possible because of:
(a) the documentation says that we can do this (Audio Processing Graph API - Core Audio Overview).
(b) the AUGraph API handles sub-graphs


Specifically; how do I connect an existing AUGraph that has a generlc output into another graph? Assume that my input graph consists of :
QT -> Pitch -> Generic
and that my output graph is:
Mixer -> HAL Output


how would I connect the generic output bus to one of the input busses of the mixer?

Thanks
--
John Clayton
Skype: johncclayton




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References: 
 >AUGraph and connecting many of them together. (From: John Clayton <email@hidden>)

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