[sugar] Re: Compressed speech for voice overs?

[Alan Kay]

Thanks very much! This could be really useful for OLPC.

Cheers,

Alan

-------------

At 09:43 AM 12/17/2006, Tom Hannen wrote:
>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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