Hi there,

SPARTA/Compass and IEM already share a common format to store decoder matrices 
and loudspeaker positions using JSON files. I am happy to extend this 
’standard’ to hold more information and to be more future proof.
At ICSA 2019 there was also a nice contribution regarding a new file format for 
those decoding matrices: 
https://www.researchgate.net/publication/336134928_ADD_-_Developing_a_new_file_format_for_ambisonic_decoding_matrices
 
<https://www.researchgate.net/publication/336134928_ADD_-_Developing_a_new_file_format_for_ambisonic_decoding_matrices>

Best
Daniel

> Am 10.12.2019 um 10:30 schrieb Trond Lossius <tr...@trondlossius.no>:
> 
> Would it be an idea for the community of ambisonic developers to agree on a 
> shared file format for describing loudspeaker setups as imported to or 
> exported from various decoders?
> 
> I currently want to compare various decoders, such as Blue Ripple Rapture 3D, 
> IEM AllRAD, Compass, Spat, etc.. It would be really useful to be able to 
> describe loudspeaker setup once only, and afterwards be able to import to all 
> of these decoders.
> 
> If so, it believe that it would be useful if the decoder file can contain 
> both polar and Cartesian coordinates, gain adjustments for individual 
> channels, and possibly also consider support for virtual speakers (decoders 
> that do not deal with virtual speakers could just ignore these).
> 
> 
> Thanks,
> Trond
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