Berichte, Volume 1; Volume 5Elsevier Publishing Company, 1965 - Sound |
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... formula . It is therefore suggested that more accurate decay formulas , within the limitations of the ray approximation , can be obtained by using more re- alistic distribution functions adapted to the geometry of each case . For ...
... formula . It is therefore suggested that more accurate decay formulas , within the limitations of the ray approximation , can be obtained by using more re- alistic distribution functions adapted to the geometry of each case . For ...
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... formula for a in the wellknown book by Kinsler and Frey [ 2 ] , ale without a derivation : " open tube - end K2 ... formula ( 13 ) for K = 1 differs about 3 % in a positive sense from the exact value , and the IR from formula ( 14 ) ...
... formula for a in the wellknown book by Kinsler and Frey [ 2 ] , ale without a derivation : " open tube - end K2 ... formula ( 13 ) for K = 1 differs about 3 % in a positive sense from the exact value , and the IR from formula ( 14 ) ...
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... formula ( 9 ) has been used for the calculation of a for values of K 1.3 , and formula ( 14 ) for values of K > 1.3 . The completely reproducible absorption coefficient for this " sample " is found to increase monotonically in the ...
... formula ( 9 ) has been used for the calculation of a for values of K 1.3 , and formula ( 14 ) for values of K > 1.3 . The completely reproducible absorption coefficient for this " sample " is found to increase monotonically in the ...
Contents
La radiodiffusion stéréophonique Etudes de lUnion Européenne de Radiodiffusion | |
A Technique for the Measurement of Local Turbulent Properties in Supersonic Shear | |
J Fisher F R Krause | |
Copyright | |
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absorption coefficient acoustic acoustique Acustica akustische amplitude approximately architectural acoustics avons band bestimmt Bild bruit burst calculated circuit component constant correlation corresponding courbe cross-correlation curve d'une damping decay density deux direction displacement distribution effect energy equation été être experimental Figure filter fluctuations formula Frequenzen function hall impedance integral INTERNATIONAL 7-14 SEPTEMBRE können Kurve Lautsprecher linear loudspeaker Mach wave measurements Messung Messungen method microphone Modell modes Nachhallzeit niveau noise normal obtained octave panel parameters peut phase phase velocity plane plane wave plate problem propagation radiation range ratio Raum region résultats reverberation room salle sample Schallfeld shown signal solution sonore sound field sound power level sound pressure level spectrum surface temperature temps theory tion transducer valeurs values velocity vibration wave Wert Widerstand wurde wurden zeigt