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To: python-list@python.org
From: Dave Angel <davea@davea.name>
Subject: Re: Synchronizing a sound with a widget change
Date: Thu, 13 Nov 2014 06:42:55 -0500 (EST)
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Xref: csiph.com comp.lang.python:80681

"ast" <nomail@invalid.com> Wrote in message:
> 
> "ast" <nomail@invalid.com> a écrit dans le message de news:54648e75$0$12771$426a74cc@news.free.fr...
>>
>> "ast" <nomail@invalid.com> a écrit dans le message de 
>> news:54648d03$0$1981$426a74cc@news.free.fr...
>>
>>>
>>> I have the idea to run an other thread to emit the sound, but I didn't try yet.
>>> Is it the solution ?
>>>
>>
>> nope, still doesn't work !
>>
> 
>> root.after(1, mybeep)
> 
> 
> with:
> 
> f = Frame(root, width=300, height=300)
> f.pack()
> f.config(bg='Yellow')
> root.after(80, mybeep)
> 
> it works and with:
> 
> f = Frame(root, width=300, height=300)
> f.pack()
> f.config(bg='Yellow')
> root.after(60, mybeep)
> 
> it doesn't work
> 
> I understand that Python takes times to create the root
> window and to color the frame. It the sound arrives
> before the end of the drawing, Python goes to the sound
> emitting,and when finished it goes back to drawing.
> 
> This is annoying
> I would like sometuhing stable if possible
> 

I don't use Windows, but from what I read,  winsound.Beep is a
 blocking call, and therefore must not be used in the main thread
 of a gui environment. 
Once the function is called, no events are
 processed. 


It seems like you need winsound.SND_ASYNC

-- 
DaveA