Improving Squeak's Multimedia - additional opinion
Brad Fuller
brad at sonaural.com
Fri Feb 25 23:55:47 UTC 2005
Markus Gaelli wrote:
>
> On Feb 25, 2005, at 23:29, Brad Fuller wrote:
>
>> Bob.Cowdery at CGI-Europe.com wrote:
>>
>> I would love to see some real audio streaming and DSP capability in
>> Squeak. My interest is Software Radio which requires full duplex
>> audio streamed through DSP routines. I have written such code in
>> 'C', 'C#' and Python using PortAudio and a mixture of libraries and
>> home grown code. The reference to overlap-add FFT framework is
>> something that figures in most radios as well as frequency domain
>> filtering. I don't really know where to start with Squeak however as
>> I have only played with Smalltalk. Would it be easy to do a
>> PortAudio binding or is that the wrong place to start. Would DSP be
>> too slow in ST? A software radio framework in Squeak would be really
>> neat. Anyone willing to give me a starter for 10?
>>
>>
>>
>> Bob
>> I suggested PortAudio before, and others have too. When/If v19 is
>> completed, it promises to offer some good cross-platform (most of
>> them anyway) fundamental libraries. We could start looking at v18.
>> Which version did you use and what functions did you use for your
>> use? Maybe you already have a beginning! ;-)
>>
>> DSP, in general, would be slow in Squeak -- depending of course
>> what you are doing.
>>
>> Don't know if you know, but Kyma is based on ST
>> http://www.symbolicsound.com/
>> which utilizes this hardware:
>> http://www.symbolicsound.com/cgi-bin/bin/view/Products/Capybara
>
>
> Cool! So the sounds of
>
> - 2046
> - Finding Nemo
> - Master and Commander
> - latest Star Wars episodes
> - TXH trailer
> are done with Smalltalk :-)
>
> Interesting read:
>
> http://www.symbolicsound.com/zzz/pub/Learn/EssaysOnSoundAndAudio/
> Scalettiv26n4p69-82.pdf
>
Kyma's been around for years. I guess it's not that well known outside
of the sound design community.
brad
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