ok now it work. as suggested by levanchelidze on #10. note that after the installation of kdenlive 9.10 i had to update also the libmlt6 otherwise it will not work (for me) i give this command:
sudo apt-get install libmlt6 and now i have audio on rendered video! i get the libmlt6 there: https://launchpad.net/~sunab/+archive/ubuntu/kdenlive-svn/+build/6435045/+files/libmlt6_0.9.3%2Bgit20141005.22abed67-0ubuntu0%7Esunab%7Eutopic1_amd64.deb -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388438 Title: No audio in rendered file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kdenlive/+bug/1388438/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs