Appendix A.
Details for everyday situations presented in Figure 1.
| Group Name | Specific Situation | SNR (dB) | Description | Study |
|---|---|---|---|---|
| Inside | ||||
| Urban inside | 9 | Conversation in urban household noise | Pearsons et al, 1977 | |
| Suburban inside | 14 | Conversation in suburban household noise | Pearsons et al, 1977 | |
| Office | 13 | 12×14 carpeted office | Teder, 1990 | |
| Conference room | 9 | Carpeted conference room | Teder, 1990 | |
| Radio/TV | ||||
| Music | 11.1 | Conversation in a music background | Smeds et al, 2015 | |
| Radio/TV | 7.6 | Conversation in radio or TV noise | Smeds et al, 2015 | |
| Classroom | ||||
| Classroom | 7.9 | University | Hodgson et al, 1999 | |
| Classroom | 22 | High school, located near moderately busy street | Pearsons et al, 1977 | |
| Classroom | 21 | High school, located under landing path for LAX | Pearsons et al, 1977 | |
| Classroom | 11.5 | 12 classrooms with ventilation | Markides et al., 1986 | |
| Classroom | −4.5 | 12 classrooms with student-activity | Markides et al., 1986 | |
| Hospital | ||||
| Hospital | 11 | Patient room | Pearsons et al, 1977 | |
| Hospital | 4 | Nurses station | Pearsons et al, 1977 | |
| Outdoors | ||||
| Urban outside | 4 | Urban backyard or patio area facing street | Pearsons et al, 1977 | |
| Suburban outside | 7 | Suburban backyard or patio area facing street | Pearsons et al, 1977 | |
| Outdoors | 12.5 | Conversing amongst traffic, birds singing, etc. | Smeds et al, 2015 | |
| Outdoos | 4 | Suburban patio party | Teder, 1990 | |
| Outdoors | 6 | Lakeshore, moderate wind | Teder, 1990 | |
| Restaurant | ||||
| Bar | 1 | Neighborhood bar, Friday evening | Teder, 1990 | |
| Restaurant bar | 7 | Restaurant bar, 1/3 full | Teder, 1990 | |
| Small restaurant | 5 | Small restaurant, 1/2 full | Teder, 1990 | |
| Small restaurant | 4.5 | Small restaurant, full | Teder, 1990 | |
| Hilton bar | 5.5 | Hotel lobby bar with piano music | Teder, 1990 | |
| Dept. Store | ||||
| Dept. Store | 4 | Department stores | Pearsons et al, 1977 | |
| Dept. Store | 3.8 | Conversation at checkout or while shopping | Smeds et al, 2015 | |
| Automobile | ||||
| Car | 1 | 1986 Chevrolet Nova at 55 mph, asphalt | Teder, 1990 | |
| Truck | 2 | 1986 Dodge Ram at 60 mph, concrete | Teder, 1990 | |
| Truck | 1.5 | 1986 Dodge Ram at 40 mph, concrete | Teder, 1990 | |
| Car | 2 | 1988 Pontiac Bonneville at 65 mph, asphalt | Teder, 1990 | |
| Car | 6 | Conversation in moving car | Smeds et al, 2015 | |
| Cocktail Party | ||||
| Cocktail party | −2 | In halls with a sound-reflecting ceiling | Plomp, 1977 | |
| Cocktail party | 1 | Only taking into account horizontally-radiated sound | Plomp, 1977 | |
| Babble | 4.6 | Conversation in multi-talker babble noise | Smeds et al, 2015 | |
| Public Trans. | ||||
| Public trans. | −8 | Bay Area Rapid Transit system | Pearsons et al, 1977 | |
| Aircraft | −11 | Different planes cruising at normal speed/altitude | Pearsons et al, 1977 | |
| 727 jet | 5 | In the cabin while taxiing | Teder, 1990 | |
| 727 jet | 10 | In the cabin while descending | Teder, 1990 | |
| Public trans. | 4.4 | Conversation on train, in the station hall, or close to the platform | Smeds et al, 2015 |