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gst-launch-1.0 audiotestsrc num-buffers=200 freq=1000 ! audioresample ! audioconvert ! audio/x-raw, rate=44100, format=S16LE, channels=2 ! filesink location=/tmp/test_44100.raw
aplay -D plughw:lt9611audio -f S16_LE -r 44100 -c 2 /tmp/test_44100.raw