I have done this:
me@riverbrain:~/sgf$ echo "test" | text2wave -otype raw -F 16000 >> test.raw
which produced a headerless audio file. The wonderful thing about this file is that it can be concatenated (using
cat, like text) with another raw audio file.
Of course, I've got a problem. The problem is that I can't play it yet.
me@riverbrain:~/sgf$ play test.raw play FAIL formats: bad input format for file `test.raw': sampling rate was not specified
and also, when specifying sample rate
me@riverbrain:~/sgf$ play -r 16000 test.raw play FAIL formats: bad input format for file `test.raw': data encoding was not specified
When I looked up some information 'encoding' I got the feeling that it had a lot to do with your processor architecture, but maybe I'm wrong. Anyway, I can't find any documentation about how to 'ask' the computer what the data encoding of the raw audio file is. And I also I know what the sample rate is, due to setting it myself, but that's as far as I'm able to get.