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Engine

The sound of a machine designed to produce mechanical energy. Combustion engines burn a fuel to create heat, which then creates a force. Electric motors convert electrical energy into mechanical motion. Other classes of engines include pneumatic motors and clockwork motors. Wikipedia


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Class breakdown
DatasetNumber of videosDuration hours
Overall16,24545.0
Evaluation1890.5
Balanced train1860.5
Unbalanced train15,87044.0
Learn more about the dataset parts.

We estimate this class has high quality

In a random sample of videos for this class, we found 9 / 9 (100%) were accurate. Note that quality in the unbalanced training set may be significantly lower. Learn more.

Evaluation videos for Engine

189
videos
0.5
hours
View all 189 videos

Balanced train videos for Engine

186
videos
0.5
hours
View all 186 videos

Unbalanced train videos for Engine

15,870
videos
44.0
hours
View all 15,870 videos