Record Sound on Android

Puyol paul9510 at
Wed Jun 18 08:55:49 PDT 2014

when i use 
  openslessrc ! audioconvert  ! audio/x-raw-int, channels=1, rate=16000 !
rtpL16pay ! udpsink host= port=5000

gst-launch-0.10 -v udpsrc port=5000 caps ="application/x-rtp,
media=(string)audio, clock-rate=(int)16000, channels=(int)1,
payload=(int)96"  !   rtpL16depay ! audioconvert ! alsasink sync=false

in Android I face an error : Error received from element openslessrc0 :
Could not negociate format 
did any one know what's the problem, Thanks!

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