QuickSIN measures speech understanding using fixed 5 dB descending signal-to-noise ratio steps.

Related

• Speech-in-noise ability is measured as SNR loss relative to normal hearing (similarity 0.82)
• Speech-in-noise ability is scored as the added SNR a listener needs (similarity 0.81)
• A meaningful speech-in-noise benefit requires at least 6 dB of SNR improvement (similarity 0.80)
• A 1 dB detection gain can shift speech identification by 15 to 20 points (similarity 0.79)
• Speech comprehension depends on direct sound, which falls off with the inverse square law. (similarity 0.78)
• Sound’s constant speed across wavelengths is what preserves speech intelligibility (similarity 0.78)