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Train whistle

The sound of an audible signaling device on a steam locomotive used to warn that the train is approaching, and to communicate with rail workers. Wikipedia


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Class breakdown
DatasetNumber of videosDuration hours
Overall7632.1
Evaluation610.2
Balanced train600.2
Unbalanced train6421.8
Learn more about the dataset parts.

We estimate this class has medium quality

In a random sample of videos for this class, we found 6 / 10 (60%) were accurate. Note that quality in the unbalanced training set may be significantly lower. Learn more.

Evaluation videos for Train whistle

61
videos
0.2
hours
View all 61 videos

Balanced train videos for Train whistle

60
videos
0.2
hours
View all 60 videos

Unbalanced train videos for Train whistle

642
videos
1.8
hours
View all 642 videos