Can you please post the output of Code: gst-launch-0.10 pulsesrc num-buffers=200 ! audioconvert ! audioresample ! audiorate ! audio/x-raw-int,rate=16000 ! flacenc ! filesink location=file_temp.flac If a file is generated play it with the default media player (for instance using filebox), mplayer did not do the job well.
gst-launch-0.10 pulsesrc num-buffers=200 ! audioconvert ! audioresample ! audiorate ! audio/x-raw-int,rate=16000 ! flacenc ! filesink location=file_temp.flac