Of course you can combine example 2 and 3 and get audio AND video
-rw-r--r-- 31 .gitignore
-rw-r--r-- 559 README.md
-rwxr-xr-x 1244 example1.py
-rwxr-xr-x 3712 example2+3.py
-rw-r--r-- 3092 example2.glade
-rwxr-xr-x 2172 example2.py
-rw-r--r-- 4603 example2_2.glade
-rw-r--r-- 5504 example3.glade
-rwxr-xr-x 3366 example3.py