It was recorded by build-in mic. Active means gsm online. I didn't test recording during making call yet.
Could you, please, explain how to use gstreamer to test quality of recording. And what quality means - parameters of recordng (for example - sample frequency) or levels, oversteering etc.?
gst-launch-0.10 -e pulsesrc device=source.record ! audio/x-raw-float,channels=1 ! audioconvert ! nokiaaacenc bitrate=64000 output-format=0 ! hantromp4mux ! audio/x-m4a ! filesink location=/home/user/MyDocs/audio_source_record.m4a gst-launch-0.10 -e pulsesrc device=source.voice ! audio/x-raw-float,channels=1 ! audioconvert ! nokiaaacenc bitrate=64000 output-format=0 ! hantromp4mux ! audio/x-m4a ! filesink location=/home/user/MyDocs/audio_source_voice.m4a