Directivités
Merge branch 'master' of github.com:Matael/cours_fac

Conflicts:
	acou3d/tp1/direct_di.m
	acou3d/tp1/direct_di.png
	acou3d/tp1/direct_mono.m
	acou3d/tp1/direct_mono.png
	acou3d/tp1/direct_quadri.m
	acou3d/tp1/direct_quadri.png
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