gst-launch-1.0 -v interleave name=i ! \
capssetter caps="audio/x-raw,channels=2,channel-mask=(bitmask)0x3" ! audioconvert ! audioresample ! \
gst-launch-1.0 -v interleave name=i ! \
capssetter caps="audio/x-raw,channels=2,channel-mask=(bitmask)0x3" ! audioconvert ! audioresample ! \