Hi, I am new to gstreamer Testing is done on the target board Req. Audio from alsasrc to be resampled and passed on to alsasink. Audio source : mono Input audio rate: 8KHz Output audio rate: 44.1KHz Observation : There is no audio heard in speakers Pipeline used 1. gst-launch-0.10 alsasrc device=hw:1,1,0 ! audioconvert ! audioresample ! audio/x-raw-int, rate=44100 ! alsasink device=hw:0,0,0 and 2. gst-launch-0.10 alsasrc device=hw:1,1,0 ! audioconvert ! audio/x-raw-int, channels=1 ! audioresample ! audio/x-raw-int, rate=44100 ! alsasink device=hw:0,0,0 Test Performed 1. Play test tone : Test tone is heard gst-launch-0.10 audiotestsrc ! alsasink device=hw:0,0,0 2. Record in a file and Play back :: Audio is getting recorded and audio heard when played back a. Record audio gst-launch-0.10 alsasrc device=hw:1,1,0 ! audioconvert ! audioresample ! audio/x-raw-int, rate=44100 ! wavenc ! filesink location="test.wav" b. Playback audio gst-launch-0.10 filesrc location="test.wav" ! audioconvert ! audio/x-raw-int, channels=1 ! audioresample ! audio/x-raw-int, rate=44100 ! wavenc ! alsasink device=hw:0,0,0 Note! Playback audio is heard only when the No. of channels is set to 1 Let me know 1. If some more inputs are required. 2. How can i debug from here. 3. Is there any role of sync, async or interleave? -- <div> </div> <div>Regards, </div> <div>Keyul A. Panchal</div>