Demo SpeechService not working

I'm trying to get the demo to work.

I want to use the internal mic of my tablet.
I am not getting any error, but I don't get any partial or final result either, it is just empty.

If I understand correctly, the input wav stream should be 16000?

I have executed following code:

`audioManager.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE);`

which results in 48000.

So I did try passing 48000 to the SpeechService class, but still not working.

Won't it work with the internal microphone?

In which case the demo microphone button will work? On an older tablet?