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ASTM F963
; s: A. N( w9 B& G8.19.2.4 (2) Measurements of Continuous Sounds—If the toy under test has a clearly defined operating cycle, measure the equivalent sound pressure level in each microphone position during at
# m7 h/ x% }& Z% _least one whole cycle. 6 h& c4 a0 X% G2 R' V" m- T& F
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8.28.2.4.1
' R0 o. C# h' o, W+ f( BIf the toy has a clearly defined operating cycle, measure the time average (the equivalent continuous) sound pressure level in each microphone position during at least one whole cycle.
4 r2 P8 c2 b5 I/ C0 ?" |4 a8 ~8 n如果被测玩具有明显的运行周期,至少在一个完整周期内测得每个麦克风的按时平均(均等连续)声压水平。9 u7 m2 n v. z: \: O& y+ j
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" O6 m7 n- A2 bQ:一般的声音函数貌似无法得知,怎样求出等效声压级(L[sub]Aeq[/sub])?
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