Thank you for your answer. I did also try the provided geometric TF without success but the room I am testing has unconventionnal acoustics as I’m under a roof and the ceiling has this shape :
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So I’m trying to generate my TF. The first try did not work but I suspect I didnt use a good enough speaker. I will try today with a better quality speaker for the tsp source.
Any tips regarding the volume/power I should play the tsp at ?