Hello Pygame developers:  Please read entire message before assuming you've 
heard this before:)

I am a new user of Pygame.  I have the book "Beginning Game Dev with Python and 
Pygame". So far I am very impressed with Pygame;  It has excellent graphics 
response and input capabilities.  The sound Mixer library has problems though.

When I tried the examples in Chapter 10 "Making Things Go Boom",  I noticed a 
"Crackling" noise when playing sound effects (short wav files) and music (long 
Ogg files).  

I have searched the archives at Seul.org  and searched on Google for fixes to 
this problem.  The solutions suggested basically amount to changing arguments 
passed into:  pygame.mixer.pre_init(...)
I tried many different settings:  
pygame.mixer.pre_init(44100, -16, 2, 4096)
pygame.mixer.pre_init(22050, -16, 2, 4096)
pygame.mixer.pre_init(22050, 16, 2, 1024 * some_number)
Too many to keep listing.
I also tried leaving the settings at default, which actually produces the least 
amount to crackling.

I played the music/sound files with Windows Media Player to rule out my system 
or bad files.  There was no crackling there.

On some of the Google searches, I saw that people were pointing to the problem 
being in the actual SDL_Mixer.


So I downloaded SDL/SDL_Mixer extension and re-wrote the example scripts in 
SDL/C++, using the same music/sound files.  
To my surprise, there was NO Crackling noise.


So,  the problem is NOT my system, it's not the arguments I'm passing into 
pygame.mixer, and it's not SDL_Mixer.  
The problem has to be somewhere in the Pygame Sound/Music libraries.

I even tried swapping out the SDL_Mixer libs that came with Pygame for the ones 
that came with SDL_Mixer, and still got the crackling in Pygame.

It would be nice if this could be fixed.  Because the crackling is essentially 
making the library unuseable.  Which would be a shame, because Pygame is a 
terrific library/tool. 

Thanks,
Ethan D.
Systems Programmer, SR.
Planetary Lab, Univ Arizona

My System:
Windows Vista 32bit home premium
IP35-Pro mobo, integrated sound, latest drivers
4 Gig RAM
Intel Quad core
  

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