Table 2 Results of AN4 batch tests at SNR of ~6.7 dB
From: Development of an automated speech recognition interface for personal emergency response systems
| Â | Single Microphone | Beamforming |
|---|---|---|
Words Played | 1846 | 1846 |
Total Errors | 1302 | 924 |
   Substitutions | 401 | 371 |
   Insertions | 16 | 7 |
   Deletions | 885 | 546 |
Accuracy | 29.5% | 49.9% |