Analyzing a wav file recorded with a microphone for a high pitch squeak.

[FMM]

I am trying to analyze a wav file for a high pitch squeak that occurs on some break cycles on a piece of test equipment. All I want to do is be able to tell that there was a squeak, and keep a running count of squeaks. I am using the full Labview 7.0. Is there an easy way to analyze a wav file using labview to detect a high frequency squeak, or would it be rather complicated and involved? I would appreciate any help that could be offered. Thanks.

[Feroz]

Hi,

Below is a link to an example program that I think will be quite useful to you.

Converting a .wav File to Waveform Data in LabVIEW

Add to this example a VI called Waveform Peak Detection.vi located at Functions palette >> Analyze >> Waveform Monitoring.

Use this VI to find the peaks in this waveform. I hope this helps.

Sincerely,
Feroz