Ahhhh, try going into preferences and turning *on* the
canRecordWhilePlaying preference.  If that is set to false, then the
recorder will try to turn off the player whenever it starts.

Does your test work after that?

-Lex


Bob.Cowdery at CGI-Europe.com wrote:
> Hi Lex 
> 
> I did get a little further. I could read audio using SoundInputStream and I could write it using QueueSound. However, if I recorded some sound and queued it on QueueSound, stopped recordng and played the QueueSound as soon as I started recording agin the output stopped so I couldnt get full duplex going. Obviously i am doing something wrong! 
> 
> Regards 
> Bob 
> 
> -----Original Message----- 
> From: lex at cc.gatech.edu 
> To: squeak-dev at lists.squeakfoundation.org 
> Sent: 13/11/2004 13:47 
> Subject: full duplex sound (was: Newbie question) 
> 
> The full duplex audio should be fine, so long as you do not need the 
> smallest possible latencies.Ê Squeak has in fact been designed with 
> audio applications in mind that need -- e.g., its garbage collector 
> favors low pause-per-GC instead of low overall CPU percentage.Ê I know 
> of some people at GT who built a radio (can't remember if it was AM or 
> FM) that read files from a swiki and then broadcast them.Ê This radio 
> application sounds simpler than what you are doing, but it suggests that 
> you can build full audio apps in Squeak. 
> 
> When you say port I/O, is serial port access enough?Ê If so, Squeak will 
> do fine for you.Ê Look at class SerialPort. 
> 
> These aside, what symptom do you see when you try to play new sounds? 
> Do you get silence, static, or a pre-debug window?Ê I don't know many 
> programming details of sound programming in Squeak, but if you post more 
> details maybe someone else will recognize the problem. 
> 
> Good luck overall!Ê Squeak should be an excellent platform for you if 
> you can deal with 1-10 ms latencies; you will be able to tweak your 
> program very easily, even while it is running. 
> 
> Lex 
> 
> PS -- Check out the IRC channel if you have not.Ê It is EXCELLENT for 
> people who are starting to use Squeak and thus will bump into all sorts 
> of oddities and have lots of little questions. 
> 
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