Загрузка данных

1) Моно - звук сильно замедленный
gst-launch-1.0 filesrc location=/output.raw ! audio/x-raw, format=S16LE, rate=48000, channels=2, layout=interleaved ! au
dioconvert ! audioresample ! audio/x-raw, rate=8000, format=S16LE, channels=1 ! alsasink device=hw:wm8962audio

2) Стерео - звук нормальный 
gst-launch-1.0 filesrc location=/output.raw ! audio/x-raw, format=S16LE, rate=48000, channels=2, layout=interleaved ! au
dioconvert ! audioresample ! audio/x-raw, rate=8000, format=S16LE, channels=2 ! alsasink device=hw:wm8962audio