Gstream difference between gst-launch-1.0 and gst-launch-0.10

[piti_wity]

Hi everybody,

I am working on a Raspberry Pi 3 and I have found some issues using Gstream. 
I am quite new to use pipeline, but I don't get why, even if I installed all
the plug-ins both for gst-launch-1.0 and gst-launch-0.10, when I try to make
the USB mic works forwarding the audio to the headphones, I have this
difference:

1) this command works:

gst-launch-0.10 alsasrc device=hw:1,0 ! audioconvert ! audioresample !
alsasink

2) this doesn't:

gst-launch-1.0 alsasrc device=hw:1,0 ! audioconvert ! audioresample !
alsasink

in particular, it says:

WARNING: erroneous pipeline: no element "alsasrc"

Thank in advance for your help.





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