Term
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Definition
| When AC(TE)-IA>BC(NTE) or AC(TE)-IA>AC(NTE) |
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Term
| How much do you mask for AC? |
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Definition
AC(NTE)+SF+CF
Then you plateau |
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Term
| When do you mask for BC thresholds? |
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Definition
| When unmasked BC thresholds are >10 dB better than AC thresholds |
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Term
| How much do you mask for BC thresholds? |
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Definition
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Term
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Definition
20 dB at 250 Hz
15 dB at 500 Hz
5 dB 1000 Hz |
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Term
| When do you mask for SRT testing? |
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Definition
| SRT(TE)-IA>best BC(NTE at 5,1, 2) or SRT(TE)-IA>SRT(NTE) |
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Term
| What are the IA values for headphones and inserts? |
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Definition
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Term
| When do you mask for supra-threshold speech testing? |
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Definition
| PL(TE)-IA>best BC (NTE at 5, 1, 2) or PL(TE)-IA>SRT (NTE) |
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Term
| How much masking for supra-threshold speech testing? |
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Definition
PL(TE)-25+avg ABG(NTE)+CF
Simplified version: PL(TE)-20 dB |
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Term
You can use the simplified version of masking if...
-there is no significant ___ ___ ___ (> 15 dB) in either ear
-speech is presented at a ___ sensation level (i.e.
30-40 dB SL) relative to the measured or estimated SRT |
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Definition
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Term
Masking Dilemma:
-Occurs when the minimum nec. masking & the maximum permissible masking are the ___
-no ___ is present |
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Definition
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