AudioIntervals
AudioIntervals[audio] returns audible intervals of audio.
AudioIntervals[audio, crit] returns intervals of audio for which the criterion crit is satisfied.
AudioIntervals[audio, crit, mindur] returns only intervals larger than the given duration mindur.
Examples
Find audible intervals:
audio = ExampleData[{"Audio", "Bird"}];
AudioIntervals[audio]Please visit the official Wolfram Language Reference for more details.