Thanks, But It not works yet. I moved audioconvert after audiomixer. and checked all links, they were linked.Also there is no error via bin. -- View this message in context: http://gstreamer-devel.966125.n4.nabble.com/GStreamer-audiomixer-tp4677082p4677084.html Sent from the GStreamer-devel mailing list archive at Nabble.com.