Table 1 Performance comparison - correlation between the (temporal mean) proposed power ratio (PR) (18), SRMR, and EV values, with Clarity (C50), PESQ, and P.563 algorithms
From: Microphone array power ratio for quality assessment of reverberated speech
Input type | White noise | Speech signals | |||
|---|---|---|---|---|---|
Correlation ref. | Correlation ref. | ||||
Test type | Algorithm | C50 | C50 | PESQ | P. 563 |
T 60=0.3 s, | PR | 0.999 | 0.999 | 0.911 | 0.712 |
vs. | SRMR | −0.27 | 0.845 | 0.973 | 0.934 |
increasing distance | EV | −0.66 | 0.931 | 0.994 | 0.875 |
T 60=0.6 s, | PR | 0.999 | 0.998 | 0.970 | 0.843 |
vs. | SRMR | 0.454 | 0.967 | 0.991 | 0.921 |
increasing distance | EV | −0.54 | 0.982 | 0.991 | 0.885 |
Distance =0.5 m, | PR | 0.944 | 0.951 | 0.899 | 0.562 |
vs. | SRMR | 0.392 | 0.640 | 0.991 | 0.873 |
increasing T 60 | EV | 0.235 | 0.614 | 0.984 | 0.912 |
Distance =2 m, | PR | 0.973 | 0.969 | 0.918 | 0.674 |
vs. | SRMR | 0.787 | 0.808 | 0.998 | 0.892 |
increasing T 60 | EV | −0.33 | 0.700 | 0.987 | 0.958 |