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Siren

The sound of a loud noise-making device used to provide warnings to people nearby. A siren typically consists of a single pitch that changes either smoothly or abruptly on timescales around one second. Wikipedia


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Class breakdown
DatasetNumber of videosDuration hours
Overall8,49823.5
Evaluation2120.6
Balanced train2070.6
Unbalanced train8,07922.4
Learn more about the dataset parts.

We estimate this class has high quality

In a random sample of videos for this class, we found 10 / 10 (100%) were accurate. Note that quality in the unbalanced training set may be significantly lower. Learn more.

Evaluation videos for Siren

212
videos
0.6
hours
View all 212 videos

Balanced train videos for Siren

207
videos
0.6
hours
View all 207 videos

Unbalanced train videos for Siren

8,079
videos
22.4
hours
View all 8,079 videos