[Marble-devel] Re: Voice Navigation

[Sylvain Paré]

Hi,

That make me thought about surelly something already said here it think
marble turn-by-turn navigation mode should really really come with a
disclaimer.
like "Beware on the road, "dead" is not a convenient state to use Marble."
my 2 cent.

Sylvain


2011/2/5 Torsten Rahn <tackat at t-online.de>

> Hi,
>
> Great initiative! :-)
>
> As I've said before: I'd really be keen on having a professional quality
> speaker as a reference. And I can't wait to hear custom records saying
> stuff
> like:
>
> "The Marble team wishes you a pleasant and safe journey!"
>
> I'll try to help finding some professional speaker for the german version
> (but
> no promises - so if somebody else has more success ...).
>
> Best Regards,
> Torsten
>
> On Saturday, 5. February 2011 16:59:05 Dennis Nienhüser wrote:
> > Hi,
> >
> > I looked into voice navigation (speaking out turn instructions, mainly
> > for the mobile version) into more detail today. I made a
> > proof-of-concept version (described below) and I'm looking for feedback
> > before I give that the final touch.
> >
> > Generally I feel that text-to-speech systems still sound too bad at this
> > point to be usable for day-to-day operation. Instead I'd like to have
> > pre-recorded voice samples. That approach works quite well given that
> > the number of words to speak is rather limited. Ideally we'd ship at
> > least one complete (english) voice from a professional speaker. If we
> > don't find one, we could still fall back to replacing voice output with
> > sounds (taking e.g. some existing KDE ones).
> >
> > My plan is to re-use TomToms approach -- 59 short voice files -- and
> > generate the sentences to speak from them. One sentence is either a full
> > voice file or a concatenation of them when distances are involved (e.g.
> > TurnRight.ogg + After.ogg + 200.ogg + Meters.ogg). Fortunately there are
> > a bunch of these voice files out [1] [2] which can be downloaded for
> > free by users (we cannot ship them though). That way we could ship one
> > default voice sample set (done by us) and allow users to install others
> > (e.g. localized ones or ones recorded by them) at their liking. The
> > voice files need some conversion from the .chk format to be playable
> > with phonon by Marble, but I could setup some website that handles that.
> >
> > The remaining work is then:
> > - Polish the code
> > - Backport to Marble 1.1 (should keep ABI)
> > - Find a professional speaker that does a Marble voice sample set for us
> >   - If we don't find one, ask the community
> >     - If we still don't find one, use KDE sounds as "voices". Doing that
> > probably makes sense anyway for people not liking their N900 talk to
> > them, but still want audible announcements.
> > - Setup some website on my server (~php frontend to unpacking, oggz-rip
> > and packing) to convert TomTom .chk files to the Marble format to allow
> > users to install other voices
> >
> > Feedback welcome.
> >
> > Regards,
> > Dennis
> >
> > [1] http://www.voice-maniacs.com/
> > [2] http://www.gps-data-team.com/pda-gps-navigation/links/index.php
> > (scroll down)
> >
> > _______________________________________________
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> > Marble-devel at kde.org
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>
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