Detect human voice from audio file input

Question

I am trying to implement automatic voice recording functionality, similar to the Talking Tom app. I use the following code to read input from the audio recorder and analyse the

Answer 1

What exactly are you looking for? Do you just want to filter out the human speech in the audio or do you actually want to know what the person has said?

Filtering the human speech is done by nearly every Smartphone by recording the background noice with a second microphone at the back of the device and subtract the two signals. But to be honest, I haven't seen any Android API were you can directly access the two signals.

If you want to do speech to text conversion, then have a look at Sphinx4 and Praat. Both do this job but again, I haven't seen an implementation for Android. Sphinx4 claims to be fully written in Java, so it should be possible to embed it in an Android App.