[sugar] Re: Compressed speech for voice overs?

Tom Hannen tomhannen
Sun Dec 17 12:43:07 EST 2006


I work at the BBC World service.  I'm sure I could get radio
presenters to create voice overs in many different languages if you
provided me with a table of phrases in english... We have presenters
who work in over 40 different languages.

Tom

On 12/17/06, Takashi Yamamiya <tak at metatoys.org> wrote:
> Actually, I'm working about Ogg Vorbis and Speex plugin for Squeak, yet.
> Now, playing (extract) with Ogg Vorbis works in Squeak, and I started
> recording (compressing). After that, I'm going to add Speex.
>
> Because I'm not sure which codec is is better for our case,
> it would be good to test both of them and choose one,
> considering performance, space, and quality in actual B machine.
>
> Cheers,
> - Takashi
>
> Bert Freudenberg wrote:
> > Ogg vorbis is for music. The vorbis faq recommends "speex" for speech:
> >
> >     http://www.vorbis.com/faq/#speech
> >     http://www.speex.org/
> >
> > Speex can be embedded in Ogg:
> >
> >     http://www.speex.org/docs/manual/speex-manual/node8.html
> >
> >
> > - Bert -
> >
> > On Dec 17, 2006, at 15:55 , Alan Kay wrote:
> >
> >> Hi Jim --
> >>
> >> Squeak has some very low bitrate codecs just for speech that we did
> >> years ago that are much more compressed than mp3 (by a lot). I'm
> >> wondering whether ogg has something similar and special just for human
> >> voice (non-singing)? This could make a big difference wrt the limited
> >> storage of XO.
> >>
> >> Cheers,
> >>
> >> Alan
> >>
> >> -----------
> >>
> >>
> >> At 05:59 AM 12/17/2006, Jim Gettys wrote:
> >>> Ogg vorbis it is.  Patent unencumbered, and reputedly better than MP3 at
> >>> the same bitrate.
> >>>                   - Jim
> >>>
> >>>
> >>> On Sun, 2006-12-17 at 05:03 -0800, Alan Kay wrote:
> >>> > Hi Folks --
> >>> >
> >>> > I'm not sure how voice-overs will be used in the general XO UI, but
> >>> > we are planning to make heavy use of them, especially in the
> >>> > introductory Etoys projects. Squeak has a variety of speech and other
> >>> > audio codecs, but the general open source software community might
> >>> > have better ones (less space, higher quality).
> >>> >
> >>> > For example, I heard a rumor that ogg might be put on the XO. One of
> >>> > the ogg codecs might be better for speech than ours. Anyone up on the
> >>> > current plan here?
> >>> >
> >>> > Cheers,
>
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