[sugar] Re: Compressed speech for voice overs?

[Bert Freudenberg]

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,
>> >
>> > Alan
>> >
>> --
>> Jim Gettys
>> One Laptop Per Child