<div>Hello,</div> <div> </div> <div></div> <div>I need to listen for single/mono tones of different frequencies. For example, a 900Hz tone. I have been looking hard for examples of how to do this but have came up short.</div> <div></div> <div>I really want an application like "WaitForSilence", except "WaitForTone(hz/length, timeout).</div> <div> </div> <div></div> <div>Can anyone suggest an application to look at or, if not, suggest a way to do this?</div> <div> </div> <div></div> <div>Thank you,</div> <div> </div> <div></div> <div>David </div><p>
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