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Table 1 Score specification for rating the binaural noise reduction algorithms

From: Binaural noise reduction via cue-preserving MMSE filter and adaptive-blocking-based noise PSD estimation

Score   Explanation
80–100 Excellent No impairment is audible, great performance
60–80 Good Nice utility that mostly meets expectations
40–60 Fair Mostly acceptable, but some undesired impairments are already detected
20–40 Poor Presence of harsh impairments that leave no doubt of insufficiency
0–20 Bad No utility