Sample decibel problems (#1) for ASLP 334 Calculate the following dB SPL levels for the given measured levels:

1) 47 µP

2) 128 µP

3) 6,324,555.32 µP

4) 0.63246 µP Calculate the following dB IL levels for the given measured levels:

5) 10-5 watts/cm2

6) 10-14 watts/cm2

7) 16*(10-16) watts/cm2

8) 10-18 watts/cm2

9) 10-1 watts/cm2

10) A patient has a threshold of 45 dB HL at 4000 Hz. What is the sensation level of a 4000 Hz tone presented to this patient at 82 dB SPL?

11) If I am presenting a 8000 Hz tone to a patient at 53.5 dB SPL and this tone is 22 dB sl, what is the patients threshold in dB SPL and in dB HL?

12) A patient has a threshold at 125 Hz of 45 dB HL. What are the dB HL and dB SPL levels of a 125 Hz tone presented at -10 dB sl?

13) A patient is being presented with a 250 Hz tone at 65 dB HL. The level of this tone is 25 dB sl. What is the patients 250 Hz threshold in dB SPL and in dB HL?

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