8.4 Recommendations
1. The system must be capable of providing 110 dB SPL and not exceed 118 dB SPL with a dynamic range on the volume control of 50 dB.
2. The speech transmission index cannot be less than .84.
3. The signal-to-noise ratio for internally generated noise cannot be less than 18 dB.
4. The peak clipping levels down from the peak cannot be greater than 18 dB.
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