Record 3 audio inputs to a single 3channel audio file - Is this possible

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As far as I can tell, it's only possible in even steps, so two or four channels, etc, only. >

that is why my method works very well, you see the track 1 had 4 channels, so let's say you need to send that track to another as a send ( master/parent disabled)? Well the track receiving the send would also have to have 4 channels in order for the 1,2,3 to pass through My suggestion is : Record to a track that has 4 channels on the I/O screen click Master/parent UNCHECKED. Send that track to track 2 Track 2 has to have 4 channels. Make sure the Channel Router Mixer plugin from the link is first on the fx list. Now on the channel router connect the channels to the outputs LEAVE the 4rth channel alone. the 4rth channel is now defunct. Add the Rea surround plugin on the master track and make sure to set Reasurround to STEREO . Then you now place the channel balls on the stereo field.

Well I was stuck like you wondering what if we wanted only to route individual channels or I only want a track with 3 channels, well only pairs are available There is also another way you can do this. You can send the track with 3 sends to the 2nd track and each send would have only one channel being sent. However my method with the CHannel Router mixer ( no need for Reasurround) is the easiest option.