[asterisk-users] Anyone doing speech to text?

[Philippe Sultan]

Lefteris,

Thanks a lot for your detailed answer and for the valuable work you've been
doing on this topic for quite some time now.

Cheers,

Philippe Sultan

2015-08-28 12:26 GMT+02:00 Lefteris Zafiris <zaf.000 at gmail.com>:

> On Fri, 28 Aug 2015 12:11:14 +0300
> Amelye Chatila <amechax at gmail.com> wrote:
>
> > I have a similar situation here, I want to include TTS in my asterisk IVR
> > system. Could someone give suggestion(s) please, I prefer open-source
> > thanks in advance!
>
>
> Hello,
>
> what follows is a mostly incomplete list of Text To Speech (TTS) and
> Speech To Text (STT)
> solutions available for asterisk.
>
> -Regarding the TTS free and open source available options:
>
> Asterisk comes with festival (http://www.cstr.ed.ac.uk/projects/festival/)
> support
> (app_festival) already build in. Decent quality, supports mainly English.
>
> There is support for flite (http://www.festvox.org/flite/) available as a
> 3rd party
> plugin : http://zaf.github.io/Asterisk-Flite/ Quality at par with
> festival, much easier
> to setup and use, supports only English.
>
> Also support for espeak (http://espeak.sourceforge.net/):
> http://zaf.github.io/Asterisk-eSpeak/ Average quality, supports a wide
> range of languages.
>
>
> -Free plugins/scripts that provide TTS from a remote not-so-free service:
>
> GoogleTTS : http://zaf.github.io/asterisk-googletts/ Great quality, lots
> of languages,
> free of charge but NOT suitable for any serious/commercial use. It is not
> a service
> Google officially provides but just a hack that gets synthesized speech
> data from their
> translate page. It's more suitable for testing/developing and home use.
>
> MsTTS: http://zaf.github.io/asterisk-mstts/ using Microsoft's Translator
> voice
> synthesis engine.
>
> iSpeech: http://zaf.github.io/asterisk-ispeech/ using iSpeech API (
> http://www.ispeech.org)
>
>
> -Other non free solutions:
>
> Cepstral: http://www.cepstral.com/en/telephony/asterisk
>
> Speech Technology Group: http://www.asteriskexchange.com/listings/1001
>
>
> -Regarding the STT options:
>
> Google Speech: http://zaf.github.io/asterisk-speech-recog/ the API is
> limited at the
> moment in something like 50 requests/day and considered a technology
> preview.
>
> iSpeech: http://zaf.github.io/asterisk-ispeech/
>
> Lumevox: http://www.lumenvox.com/partners/digium/asterisk.aspx
>
> Sphinx: http://cmusphinx.sourceforge.net/wiki/asteriskdetails
>
> Vestec: http://www.asteriskexchange.com/listings/113
>
>
> Regards,
>
> Lefteris Zafiris
>
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