Hi Thibaut,
I’ve run into a strange issue when trying to decode an omnidirectional b-format file (i.e. one that only contains audio on the W channel). My goal is to use this as a quick and dirty way to play a sound equally from every direction in the dome.
When I try and decode such a signal using [spat5.hoa.decoder~ @order 3 @dimension 3D @outputs 37 @mc 1]
, the signal is only the same for all channel with the same elevation, but the documentation says that the hoa.decoder~ only uses az/el and that the user is responsible for compensating for the delay (e.g. using spat5.align~), so that would mean it should be the same for all channels, no?
I can verify that this method works as expected when I use the ICST externals in Max or VST in Reaper. I’m also able to playback real b-format files (with actual spatialization) using this decoder setup, so perhaps I’m just missing some nuance of setting up Spat properly?
Thanks for your help!
-eric
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