Hi there
I was wondering if it’s possible to set up a wfs.config for a WFS rectangular array, not just a line array. Is it just a matter of giving to the array the XY coordinates of each 100+ speakers?
Btw, Spat 5 looks incredibly amazing! I believe it will also sound so good, can’t wait to test it properly!
PS: can you increment the number of outputs from Panoramix to, for example, 200?
Thanks
Axel
Hi Axel,
spat5.wfs.config is currently restricted to linear (uniform) arrays along the X-axis.
Maybe this will be extended to rectangular or circular arrays, but I cant give any agenda for that.
That said, you could handle a rectangular layout by generating four linear arrays.
It is then your responsibility to route the sources to the appropriate sub-array (i.e. to the four spat5.wfs~).
Panoramix, when shipped as a standalone application, is limited to 64 output channels as that’s suitable for most use cases.
If you need more, you could use the spat5.panoramix~ external, and build your own patch (adapt the Panoramix-Ircam.maxpat file).
The external is restricted to 250 outputs.
T.
Hi T
Thanks for the explanation.
Do I still have to use wfs.config to configure the 4 line arrays? Do I just have to give a /speakers/xy message to the wfs.config with the coordinates for all the arrays?
I suppose it’s not possible to exchange the line array X coordinates to Y, right? To make the line array vertical, and not horizontal.
Axel
Hi,
Basically, you need to use 4 wfs.config to generate 4 sdif files. You’ll load these files to 4 wfs~ objects.
This (unfortunately) requires a bit of patching, in order to route the messages/signals to the appropriate sub-arrays.
Attached a crude patch to show you how to handle one sub-array.
And no, it’s not possible to exchange the x/y coordinates.
And you dont give /speakers/xy message directly to the wfs.config. Instead you use the /spacing message; this is a “precaution” to enforce that the array is uniformly spaced.
Best,
T.
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Hi T
Thanks for the patch. I get what you are doing here, but what about the sound sources? In theory, I would have the 4 wfs~ having the same 4 audio inputs for, for example, sound source 1, with this being mirrored and translated for each wfs, so when I move the sound source around they follow the same position in the actual rectangle of loudspeakers. Does this makes sense? Is this the right approach? I tried this approach on a system, and it was sounding super phasy.
Let me know if you prefer checking out my patch, it will take me a bit to tidy it up as I did it super in a hurry.
Regards
Axel
Well, in the approach I proposed, the idea rather is that one source is sent to only one of the four sub-arrays (at a given time).
If the source moves in the scene, it is up to you to “pan” or crossfade the source signal towards the appropriate sub-array.
Having multiple wfs arrays simultaneously fed with the same source would certainly result in phasy mess.
That’s the way we proceed most of the time.
T.