I am trying to play an audio/video file using gstreamer using downloaded images for udoo quad: https://www.udoo.org/docs/Cookbook_Linux/Playing_video_with_GStreamer.html I am able to play video and audio through hdmi where as I connect the speakers to the UDoo board speaker jack, audio does not work. gst commands I tried: gst-launch-1.0 -v -m audiotestsrc ! audioconvert ! audioresample ! autoaudiosink gst-launch-1.0 playbin uri=file:/media/SampleVideo_1280x720_5mb.mp4 audio-sink="alsasink device=hw:0,0" in any of the above cases, if audio is connected to the HDMI monitor, it works, where as the audio is connected to the Udoo board, it does not work. udooer@udoo:/media$ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: imxvt1613audio [imx-vt1613-audio], device 0: AC97-analog vt1613-hifi-analog-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: imxhdmisoc [imx-hdmi-soc], device 0: i.MX HDMI Audio Tx hdmi-hifi-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 Thanks in Advance Jsr