If you want to try IBM Watson text-to-speech you can signup for a IBM
Bluemix account.  If my reading of this page is correct...
https://new-console.ng.bluemix.net/catalog/services/text-to-speech/ then
the first million characters of text you convert to speech are free of
charge (that is about a quarter of War and Peace), then 2 cents per 1000
characters (I do not know if the free quota is one-time only or
per-month).  You could do quite a lot of testing and prototyping at pretty
low cost.

Full disclosure.... I am employed by IBM.  My comments here are personal
and do not reflect that of my employer.  I do not work in the Watson group
of IBM and do not stand to gain personally from use of this service.

David.


On Mon, Jun 20, 2016 at 11:37 AM, Lonnie Abelbeck <li...@lonnie.abelbeck.com
> wrote:

> David,
>
> That  IBM Text to Speech service is quite impressive, even with proper
> names.
>
> Lonnie
>
>
> On Jun 20, 2016, at 9:51 AM, David Kerr <da...@kerr.net> wrote:
>
> > You could try a cloud-based text to speech service.  E.g.  Example
> here...  https://text-to-speech-demo.mybluemix.net/
> >
> > David.
> >
> > On Monday, June 20, 2016, Michael Keuter <li...@mksolutions.info> wrote:
> >
> > Am 20.06.2016 um 15:31 schrieb Michael Keuter <li...@mksolutions.info>:
> >
> > >
> > > Am 20.06.2016 um 15:09 schrieb Lonnie Abelbeck <
> li...@lonnie.abelbeck.com>:
> > >
> > >> Stefan,
> > >>
> > >> Historically, AstLinux's target hardware was never up to any quality
> Text-to-Speech. Todays AstLinux hardware is much more capable, but users
> today also expect more from Text-to-Speech, ex. Amazon Echo.
> > >>
> > >> We have always suggested that *if* you need Text-to-Speech services,
> use a custom AGI in your dialplan to remotely retrieve/generate a sound
> file to be played locally in real time.
> > >>
> > >> I would expect even the best Text-to-Speech would not do well with
> proper names, which is what you seem to want to "speak".
> > >>
> > >> Personally, displaying the callerid name is good enough for me. :-)
> > >>
> > >> Lonnie
> > >>
> > >>
> > >> On Jun 20, 2016, at 4:08 AM, Stefan Ulm <s....@divus.biz> wrote:
> > >>
> > >>> Hi all,
> > >>>
> > >>> I’m developing a small application, which will give the possibility
> to start calls to certain extensions over UDP commands from external
> devices.
> > >>> A very nice feature will be, that the calling party will be spoken
> once the call is accepted.
> > >>> For this I would need text to speech conversation in asterisk dial
> plan.
> > >>> Does Astlinux distribution have a text to speech possibility on
> board and how it can be used on the fly in asterisk dialplan?
> > >>>
> > >>> Best regards
> > >>>
> > >>> Stefan Ulm
> > >>> Technical Department | Research & Development
> > >>> stefan....@divus.eu
> > >
> > > Hi,
> > >
> > > a few years ago I also had a customer request with TTS. At that times
> I looked a bit around.
> > > And I stumbled upon http://espeak.sourceforge.net/index.html
> > >
> > > I haven't tested it, but it should be kinda lightweight.
> >
> > I forgot the link to the Asterisk integration:
> > https://github.com/zaf/Asterisk-eSpeak
> >
> > >From what I figured out at that time was that "libsndfile" and
> "libsamplerate" are needed additionally (both are available in BR2).
> >
> > Michael
> >
> > http://www.mksolutions.info
> >
> >
> >
> >
> >
> ------------------------------------------------------------------------------
> > What NetFlow Analyzer can do for you? Monitors network bandwidth and
> traffic
> > patterns at an interface-level. Reveals which users, apps, and protocols
> are
> > consuming the most bandwidth. Provides multi-vendor support for NetFlow,
> > J-Flow, sFlow and other flows. Make informed decisions using capacity
> planning
> > reports. http://sdm.link/zohomanageengine
> > _______________________________________________
> > Astlinux-users mailing list
> > Astlinux-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/astlinux-users
> >
> > Donations to support AstLinux are graciously accepted via PayPal to
> pay...@krisk.org.
> >
> >
> > --
> > David Kerr
> > Sent from Gmail Mobile
> >
> ------------------------------------------------------------------------------
> > What NetFlow Analyzer can do for you? Monitors network bandwidth and
> traffic
> > patterns at an interface-level. Reveals which users, apps, and protocols
> are
> > consuming the most bandwidth. Provides multi-vendor support for NetFlow,
> > J-Flow, sFlow and other flows. Make informed decisions using capacity
> planning
> > reports.
> http://sdm.link/zohomanageengine_______________________________________________
> > Astlinux-users mailing list
> > Astlinux-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/astlinux-users
> >
> > Donations to support AstLinux are graciously accepted via PayPal to
> pay...@krisk.org.
>
>
>
> ------------------------------------------------------------------------------
> What NetFlow Analyzer can do for you? Monitors network bandwidth and
> traffic
> patterns at an interface-level. Reveals which users, apps, and protocols
> are
> consuming the most bandwidth. Provides multi-vendor support for NetFlow,
> J-Flow, sFlow and other flows. Make informed decisions using capacity
> planning
> reports. http://sdm.link/zohomanageengine
> _______________________________________________
> Astlinux-users mailing list
> Astlinux-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/astlinux-users
>
> Donations to support AstLinux are graciously accepted via PayPal to
> pay...@krisk.org.
>
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