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[]
[null,"Niveaux estimés pour une écoute domestique"]
[]
[null,null,null,null,null,"HP1",null,null,null,null,null,"HP2"]
[null,null,null,null,null,null,null,"D3"]
[null,"Vos données"]
[]
[null,"Distance D1 en mètre",2,null,null,null,null,null,"L'idéal"]
[null,"Distance D2 en mètre",4,null,null,null,null,"D1 = D2 = D3"]
[null,"Puissance RMS de l'amplificateur en watts ( par canal)",150]
[]
[null,"Rendement ou sensibilité d'une enceinte pour 1Watt à 1m",93]
[]
[null,"Température de la pièce",22]
[]
[null,"Résultats"]
[null,{"$f":"C10","v":150},{"$f":"IF($C$12=\"\",\"\",C12+(10*LOG(C10)))","v":114.76091259055681}]
[null,{"$f":"CONCATENATE(\"Niveau pour \",C10,\"W\",\" à \",\"D1 soit \",C8,\"m\")","v":"Niveau pour 150W à D1 soit 2m"},{"$f":"IF($C$12=\"\",\"\",C17-20*LOG(C8))","v":108.74031267727719},null,null,null,"D1",null,null,null,"D2"]
[null,{"$f":"CONCATENATE(\"Niveau pour \",C10,\"W\",\" à \",\"D2 soit \",C9,\"m\")","v":"Niveau pour 150W à D2 soit 4m"},{"$f":"IF($C$12=\"\",\"\",C17-20*LOG(C9))","v":102.71971276399756}]
[null,"Niveau D1 + D2 pour des signaux parfaitement identiques",{"$f":"IF(C8=C9,IF($C$12=\"\",\"\",10*LOG(10^(C18/10)+10^(C19/10))),\"D1≠D2\")","v":"D1≠D2"}]
[null,"Célérité du son ( métres par seconde )",{"$f":"20.06*SQRT(C14+273)","v":344.54181458859239}]
[null,"Temps de propagation D1 en milliseconde",{"$f":"IF($C$12=\"\",\"\",(C8/$C$21)*1000)","v":5.8048106653996214}]
[null,"Temps de propagation D2 en milliseconde",{"$f":"IF($C$12=\"\",\"\",(C9/$C$21)*1000)","v":11.609621330799243},null,null,null,"Point d'écoute idéal"]
[null,"Soit une différence de",{"$f":"IF($C$12=\"\",\"\",ABS(C22-C23))","v":5.8048106653996214}]