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8 What is the A-weighted level for the following sound levels/frequency spectrum? Octave Band Centre Frequency (Hz): 63 125 250 500 1000 2000 4000 8000 Sound Pressure Level (dB): 83 85 83 85 81 76 72 65 a. 65 dBA b. 86 dBA C. 81 dBA d. 91 dBA

8 What is the A-weighted level for the following sound levels/frequency spectrum? Octave Band Centre Frequency (Hz): 63 125 250 500 1000 2000 4000 8000 Sound Pressure Level (dB): 83 85 83 85 81 76 72 65 a. 65 dBA b. 86 dBA C. 81 dBA d. 91 dBA

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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8 What is the A-weighted level for the following sound levels/frequency spectrum? Octave Band Centre Frequency (Hz): 63 125 250 500 1000 2000 4000 8000 Sound Pressure Level (dB): 83 85 83 85 81 76 72 65 a. 65 dBA b. 86 dBA C. 81 dBA d. 91 dBA
Transcribed Image Text:8 What is the A-weighted level for the following sound levels/frequency spectrum? Octave Band Centre Frequency (Hz): 63 125 250 500 1000 2000 4000 8000 Sound Pressure Level (dB): 83 85 83 85 81 76 72 65 a. 65 dBA b. 86 dBA C. 81 dBA d. 91 dBA
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