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copied!<p>You could try <a href="http://code.google.com/p/pyspeech/" rel="nofollow noreferrer">PySpeech</a>. For some more info see <a href="https://stackoverflow.com/questions/4611373/pyspeech-python-transcribe-mp3-files">pyspeech (python) - Transcribe mp3 files?</a>. I have never used this, but I believe it leverages the built in speech recognition engine of Windows. This will let you convert the Wav files to text and then you can do a text compare. </p> <p>To use the Windows speech engine and use a wav file for input there are two requirements.</p> <ol> <li>Use an inproc recognizer (SpeechRecognitionEngine). Shared recognizers cannot use Wav files as input.</li> <li>On the recognizer object call SetInputToWaveFile to specify your input wav file.</li> </ol> <p>You may have to resample the wav files because the speech recognition engines only support certain sample rates. </p> <ul> <li>8 bits per sample</li> <li>single channel mono</li> <li>22,050 samples per second</li> <li>PCM encoding</li> </ul> <p>works well on Windows. See <a href="https://stackoverflow.com/a/6203533/90236">https://stackoverflow.com/a/6203533/90236</a> for some more info.</p> <p>For some more background on the windows speech engines, you might take a look at <a href="https://stackoverflow.com/questions/4213035/sapi-and-windows-7-problem/4217638#4217638">SAPI and Windows 7 Problem</a> and <a href="https://stackoverflow.com/questions/2977338/what-is-the-difference-between-system-speech-recognition-and-microsoft-speech-re">What is the difference between System.Speech.Recognition and Microsoft.Speech.Recognition?</a></p>

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