Try all voices and languages available on OS X say
OS X's say
command comes packed with different voices and languages, some of them very entertaining. You can use say
to make your scripts more lively.
I wrote a shell script using the say -v?
output with the help of vim macros to say the recommended test sentence for each voice sequentially:
https://gist.github.com/dkarter/20a2b5fb14f78502249b