Table 2 Sound sources easily identified as noise.
Sound source | Number | Behavior and state | Place | Details |
|---|---|---|---|---|
Traffic noise | 41 | When studying (7) | Street (6) | Vehicle sirens (16) Vehicle moving sound (8) |
Construction sound | 36 | Staying at home (9) | Building site (17) Home (12) | |
Machinery | 21 | Staying at home (11) | Home (11) | |
Conversation | 20 | When sleeping (8) | Talking in a low voice (5) | |
Music | 16 | |||
Film and television broadcasting | 9 | TV sound (5) | ||
Animal sounds | 9 | Dog barking (7) | ||
Shouting | 8 | |||
Fingernails scratching on the blackboard | 5 | During a lesson (5) | Classroom (5) | |
Sounds of playing computer games | 5 | |||
Sounds of children playing | 5 | Home (5) |
