You can enable automatically line numbers in your vimrc by adding 'se nu', or to make it a little more readable, 'set number'.
$ ./decoder ~/silk_from_rtp.bit ~/silk_from_rtp.raw
$ sox -V -t raw -b 16 -e signed-integer -r 24000 silk_from_rtp.raw silk_from_rtp.wav
I'm a passionate runner, and always considered cycling as something fun, e.g. mountain-biking, but difficult to practice regularly. The...