[squeak-dev] how to extract the audio from .pr?

Felipe López Toledo zer.subzero at gmail.com
Wed Jul 15 19:53:00 UTC 2009


Hi Subramaniam

>You could write out raw samples from the
>sound clip in the library
Excellent!, I can convert it, the part that I didn't know was how to extract
the audio. I'll try it using SampledSound class. Thanks.

felipe
2009/7/15 K. K. Subramaniam <subbukk at gmail.com>

> On Sunday 12 Jul 2009 10:26:57 pm Felipe López Toledo wrote:
> > Hi guys
> >
> > I'm a newbie using squeak,
> > I'm having some troubles, perhaps you could help me :)
> >
> > I would like to extract the audio files from a squeak Open Learning
> > Exchange Nepal activity (.pr file).
> AFAIK, there are no ready-made methods to export sound in any compressed
> formats. The sound library in SampledSound class stores sounds as raw 8-
> bit/16-bit samples. The class has methods to read WAV and AIFF files but no
> corresponding write methods :-(. You could write out raw samples from the
> sound clip in the library and then use sound conversion utilities on the
> host
> to convert samples to WAV, mp3 etc.
>
> HTH .. Subbu
>
>
>
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