I'm trying to plot a graph frequency (Hz) x Time (ms). My problem is, I dont know what kind of data I'm extracting from the audio file. When I write the function: data = Import[sampleaudio, "Data"] How can I isolate the frequency?

This is my audio file, i'm using a frequency generator. It generates 1000hz. https://www.dropbox.com/s/60i7he0ppq6y7al/001f.wav?dl=0

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    $\begingroup$ Show sample sampleaudio, pls. $\endgroup$ – Alex Trounev Nov 13 '18 at 20:24
  • $\begingroup$ I've attached the audio file I'm talking about. $\endgroup$ – Hugo David Costa Pereira Nov 13 '18 at 20:38
  • $\begingroup$ See Help ref/AudioLocalMeasurements $\endgroup$ – Alex Trounev Nov 13 '18 at 22:08

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