The sound of a signal that a telephone exchange or other switching equipment sends to a telephone to confirm that it is ready to initiate a connection. Wikipedia
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 the unbalanced train videos for Dial tone. To view all dataset videos for Dial tone, go back.