Comparing and matching two sounds in android

Question

I need to capture sound from android version 2.3 mic and match it with a wave file stored on card.

If it does match then I need to trigger a specific action.

Answer 1

if these are voice samples, and you need a professional solution, you can use the PESQ algorithm: http://en.wikipedia.org/wiki/PESQ Or the newest POLQA: http://en.wikipedia.org/wiki/POLQA These standards are used in telco voice quality solutions.