Re: [Kaldi-developers] DTMF, dialtone and ringtone examples

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

We haven't done this here at JHU.  It's not something I have that much time
to put energy into.  I was hoping someone else on the list might have
access to such data already and would be willing to help out.
Dan


On Thu, Apr 30, 2015 at 4:46 PM, Chiwei Che <ch...@vo...> wrote:

>  Hello, premature idea, did we try to simply “record” these tone with
> some real phones (analog, digital phone are just re-synthesize) pressing?
>
>
>
> *From:* Daniel Povey [mailto:dp...@gm...]
> *Sent:* Thursday, April 30, 2015 11:35 AM
> *To:* kal...@li...
> *Cc:* David Snyder
> *Subject:* [Kaldi-developers] DTMF, dialtone and ringtone examples
>
>
>
> 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
>
>
>