slicing and splicing in Praat

Brian MacWhinney macwhinn at hku.hk
Fri Aug 3 08:15:26 UTC 2001


Dear Info-CHIBolts,
  With Paul Boersma's help to make some recent additions, it is now possible
use Praat to combine lots of little audio files, such as individual samples
of babbling into one large file in a way that allows you to later extract
them all again.
  Having lots of files concatenated in one large file is particularly nice
because it then allows you to create a CLAN file that replays the whole
mini-corpus using continuous audio playback.  You can take each individual
clip and send it to Praat if you wish for further analysis.  Also having a
big file is often better for data organization purposes.
  However, at some point, you may wish to recapture all the little files.
You may want to delete some or maybe modify others and doing this in the big
file can mess things up. To do this, you can use the Praat TextGrid you
produce in the first place to control the "slicing" of the file.
  Eventually, we will want to provide further CLAN support for this process,
so that the time marks created in the TextGrid during the splicing process
get nicely sent over to a CHAT file.  We haven't done this yet, but we will
eventually.
  To do this, you need to learn enough about Praat to be able to run the two
scripts that we have placed at http://childes.psy.cmu.edu/html/praat.html
that you can use to govern this process.  Happy slicing and splicing.

--Brian MacWhinney



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