Table 1. General Prototype Listening Situations (gPLS).
| Subgroup | Numbering | Cluster size | Speech level (dBA) | Noise level (dBA) | SNR (dB) | Visual cues | Talker location | Noise location |
|---|---|---|---|---|---|---|---|---|
| Quiet | 1 | 115 (16%) | 63.9 | 50.5 | 13.4 | Always | Front | N/A (quiet) |
| 2 | 96 (13%) | 61.5 | 50.6 | 10.9 | Sometimes | Side | N/A (quiet) | |
| 3 | 45 (6%) | 60.4 | 50.4 | 10.0 | Sometimes | Front | N/A (quiet) | |
| 4 | 37 (5%) | 65.4 | 51.0 | 14.4 | Always | Side | N/A (quiet) | |
| 5 | 20 (3%) | 62.6 | 50.7 | 11.9 | Sometimes | Back | N/A (quiet) | |
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| Diffuse Noise | 6 | 93 (13%) | 68.5 | 59.9 | 8.6 | Always | Front | All around |
| 7 | 87 (12%) | 67.3 | 60.9 | 6.4 | Sometimes | Side | All around | |
| 8 | 74 (10%) | 68.8 | 64.0 | 4.8 | Sometimes | Front | All around | |
| 9 | 53 (7%) | 68.7 | 59.4 | 9.2 | Always | Side | All around | |
| 10 | 20 (3%) | 67.4 | 60.6 | 6.7 | Sometimes | Back | All around | |
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| Non-Diffuse Noise | 11 | 42 (6%) | 64.4 | 54.9 | 9.5 | Always | Front | Front |
| 12 | 36 (5%) | 69.5 | 61.9 | 7.6 | Sometimes | Side | Side | |