From: Microphone array power ratio for quality assessment of reverberated speech
Input type | White noise | Speech signals | |
---|---|---|---|
Correlation ref. | Correlation ref. | ||
Test type | Algorithm | DRR | DRR |
T 60=0.3 s, | PR-DRR | 0.999 | 0.999 |
vs. increasing distance | CDR | 0.999 | 0.998 |
T 60=1 s, | PR-DRR | 0.999 | 0.999 |
vs. increasing distance | CDR | 0.952 | 0.934 |
Distance =0.5 m, | PR-DRR | 0.992 | 0.993 |
vs. increasing T 60 | CDR | 0.995 | 0.996 |
Distance =2 m, | PR-DRR | 0.999 | 0.999 |
vs. increasing T 60 | CDR | 0.838 | 0.745 |