AudioResample

AudioResample[audio, sr] resamples audio to have the sample rate of sr.

AudioResample[video, sr] resamples the first audio track in video to have the sample rate of sr.

Examples

Resample audio to 22050 Hz:

audio = ExampleData[{"Audio", "Flute"}];
AudioResample[audio, 22050]

Please visit the official Wolfram Language Reference for more details.