Research Article
Best Distance Perception in Virtual Audiovisual Environment
Table 4
SPL attenuation of comparison signals for each reference signal of virtual sound source.
| Reference signal of virtual sound source (m) | Attenuating SPL (dB) |
| 4 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | N/A | 6 | 6 | 7 | 8 | 9 | 10 | 12 | 14 | 16 | 8 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | N/A | 10 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | N/A | 12 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 |
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