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Speech distortion (as measured using HASQI) caused by moderate and strong NR for the omnidirectional (DIRoff) and cardioid (DIRon) settings and input SNRs of −4, 0, and 4 dB.
| NR strength | Speech distortion (HASQI) | |||||
|---|---|---|---|---|---|---|
| −4 dB SNR | 0 dB SNR | 4 dB SNR | ||||
| DIRoff | DIRon | DIRoff | DIRon | DIRoff | DIRon | |
| Moderate | 0.82 | 0.85 | 0.84 | 0.86 | 0.86 | 0.88 |
| Strong | 0.59 | 0.63 | 0.64 | 0.67 | 0.68 | 0.71 |
