SqueakList at pacbell.net
Thu Nov 9 03:22:19 UTC 2006
Hi, John, and all,
It perhaps bears mentioning that my tests were all run on an Intel Mac.
On Nov 8, 2006, at 5:32 PM, Scott Wallace wrote:
> I downloaded the 3.9 image you pointed to, ran it on my Mac, and
> (a) The sound-in-event-recorder bug *does* occur. But it's
> slightly different: although the speed of playback is nearly
> doubled, as in OLPC, the *pitch* does not change. So it is not a
> Donald Duck sound.
> (b) Also, the same bug now (i.e. in 3.9) also occurs in the
> vanilla SoundRecorderMorph! (In the OLPC/Mac image, the vanilla
> SoundRecorderMorph produces good playback on the Mac -- it's only
> the use of sound within an EventRecorderMorph that's
> problematical. In the 3.9/Mac image *every* SoundRecorderMorph use
> has this problem. But again, the overly-fast playback occurs
> *without* a pitch rise.)
> So evidently 3.9 went "final" with the SoundRecorder completely
> broken on the Mac.
> Hopefully the above observations will provide some useful clues.
> After all, we now have examples of images in which:
> [a] Plain SoundRecorder and EventRecorder-Sound both work fine
> [b] Plain SoundRecorder works fine but EventRecorder-Sound is
> broken, donald-duck style [OLPC]
> [c] Plain SoundRecorder and EventRecorder-Sound are *both*
> broken; playback too fast but no donald-duck-style pitch [Squeak 3.9]
> BTW: all my tests were run with the same Mac VM, namely Squeak
> -- Scott
> On Nov 8, 2006, at 10:31 AM, Yoshiki Ohshima wrote:
>> ... It looks like the code we use is pretty much similar in the one
>> Squeak 3.9. Can you check if you can reproduce it in an image like:
>> -- Yoshiki
>> On Oct 31, 2006 at 2:27 PM, Scott Wallace wrote:
>>> The sound-recording option of the EventRecorder in OLPC1.0 has
>>> somehow gotten broken, in that when you play back an event-
>>> recording that was recorded with sound, the sound comes out
>>> Donald-Duck style, almost twice as fast as real time.
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