[Sugar-devel] Record Activity (audio)

Thomas Gilliard satellit at attglobal.net
Sun Aug 1 18:00:50 EDT 2010



Art Hunkins wrote:
> I've recently developed a 4-file mono/stereo realtime mixer/processor 
> application in Csound, and it works well on the XO's and versions of SoaS. 
> So I was thinking of porting it in Python to Sugar as an Activity.
>
> One problem: currently Csound imports standard uncompressed soundfiles, and 
> doesn't work with ogg. The Record Activity only outputs ogg, it seems. I 
> would not consider porting my application to Sugar if Csound could handle a 
> filetype that Record can output.
>
> Question #1: what are the chances that Record can be enhanced to produce wav 
> files?
>
> Question #2: what are the chances that Record can be made to work dependably 
> on Sugar .82-.88 (at least)?
>
> With regard to question #2, I get very spotty (mixed) results for Record 
> (audio), as follows:
>
> XO-1.0: Record 59 works fine; higher versions (including 64) have major 
> audio dropouts.
> XO-1.5: Record 64 bad, with major dropouts; v67 is semi-OK as is v85 
> (recording artifacts and occasional glitches)
> Strawberry: Record 64 works fine; further upgrades don't (including v66, 
> v79, v85) - *nothing (including won't save or play)*
> Blueberry: v66 is semi-OK (slight artifacts, no dropouts); v64, v79 and 
> v81 - *nothing*
> Mirabelle: v64 not tested; otherwise same results as Blueberry
>
>   
look at: 
http://wiki.sugarlabs.org/go/Features/Soas_V4/ASLOxo_Activity_Test_Table#Activity_Test_Results

"...+camera NO sound Asus Aspire One, NO camera +sound EeePC900''

It depends on the Hardware it seems..

I will try some more testing..

Tom Gilliard
satellit
> Bottom line: not encouraging. Is anyone currently working on Record?
>
> Art Hunkins 
>
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>   


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