Converting audio from 3pg video files results in half speed audio file (and double time)
Converting audio from 3gp video files (e.g. from YouTube) results in a half speed wave file:
vlc.exe input-video.3pg -I dummy -vvv --no-sout-video --sout="#transcode{acodec=s16l,channels=1,ab=128}:std{access=file,mux=wav,dst=out.wav}"