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Re: split multi-channel bus to multiple mono buses
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Re: split multi-channel bus to multiple mono buses


  • Subject: Re: split multi-channel bus to multiple mono buses
  • From: William Stewart <email@hidden>
  • Date: Mon, 10 Jul 2006 19:26:20 -0700


On 10/07/2006, at 7:21 PM, Daniel Heckenberg wrote:


Hi Bill,

Thanks -- that's a good start.

So can I do the whole lot with an MM somehow,
yes - a matrix mixer enables you to control the exact volumes (and thus channel distributions) to each of your outputs - have a look at the MM test code in /Developer/Examples/CoreAudio

or must I use a 1 x Nchannel bus to N x Nchannel busses
you could do that... It doesn't really matter, a MM can handle any number of channels on any number of inputs or outputs

duplication followed by N x AUConverters with channel maps to go from Nchannels to 1channel?

No - an AUConverter does not do mixing - I'm not sure I understand this part.


Bill


Cheers, Daniel

William Stewart wrote:

The Splitter and Merger AUs do this by internally using a Matrix Mixer AU - you could easily do this by using a MM

On 07/07/2006, at 9:27 PM, Daniel Heckenberg wrote:


Hi List,

I'm trying to work out the best way (using audio units) to split a multi-channel bus to multiple mono buses, e.g. a stereo bus to two mono buses, etc.

I can see that channel maps can accomplish the channel routing bus how to efficient increase the number of buses? Can I do all of this with a single AUConverter or do I need to chain one AUSplitter and then an AUConverter per output bus?

Thanks!
Daniel
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