This could happen because of issues in audio file (.wav). Make sure the frequency of audio file is 8000, track is mono and is saved in 16-bit *.wav format. By default, audacity saves file in 16-bit *.wav format but frequency and track settings have to be confirmed. This will fix the audio issues. | This could happen because of issues in audio file (.wav). Make sure the frequency of audio file is 8000, track is mono and is saved in 16-bit *.wav format. By default, audacity saves file in 16-bit *.wav format but frequency and track settings have to be confirmed. This will fix the audio issues. |