A low, continuous tone caused by electromagnetic interference from the alternating current of the mains electricity. The fundamental frequency of this sound is usually 50 Hz or 60 Hz, depending on the local power-line frequency. Wikipedia
In a random sample of videos for this class, we found 3 / 10 (30%) were accurate. Note that quality in the unbalanced training set may be significantly lower. Learn more.
You are viewing just the unbalanced train videos for Mains hum. To view all dataset videos for Mains hum, go back.