[Kaldi-developers] DTMF, dialtone and ringtone examples

[Daniel P. <dp...@gm...>]

Everyone,
I want to add some code for DTMF, dialtone and ringtone detection and
removal, to help clean up training data and hopefully to be used in
telephone applications.  However, it seems hard to find "real-world"
examples of these kinds of tones in speech.  Does anyone have any idea
where we could find data with these tones in it?  We could consider
non-releasable data, as it's possible to just tune the methods on it but
not release the setup.
Dan