Example 1.1 Assume that three sounds of different frequencies (or three incoherent noise sources) are to be combined to obtain a total sound pressure level. Let the three sound pressure levels be (a) 90 dB, (b) 88 dB and (c) 85 dB. Find the total sound pressure.

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Example 1.1
Assume that three sounds of different frequencies (or three incoherent noise sources) are to be combined to obtain
a total sound pressure level. Let the three sound pressure levels be (a) 90 dB, (b) 88 dB and (c) 85 dB. Find the
total sound pressure.
Transcribed Image Text:Example 1.1 Assume that three sounds of different frequencies (or three incoherent noise sources) are to be combined to obtain a total sound pressure level. Let the three sound pressure levels be (a) 90 dB, (b) 88 dB and (c) 85 dB. Find the total sound pressure.
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