Evaluation segments for Echo

A sound which is a delayed and attenuated repetition of an earlier sound, for example because the sound wave has been reflected back from a distant, planar surface. To be perceived as an echo, the repetion must be delayed by around 100 milliseconds or more. Wikipedia

View full entry in ontology

We estimate this class has medium quality

In a random sample of videos for this class, we found 5 / 10 (50%) were accurate. Note that quality in the unbalanced training set may be significantly lower. Learn more.
You are viewing just evaluation videos for Echo. To view all dataset videos for Echo, go back.

Evaluation videos for Echo (60)