[Help-bash] play audio-CD in consol

[Gerard ROBIN]

Hello,
the dvd burner of my laptop died and I replaced it with a external dvd burner, 
but now cdcd can not play the cd audio. It sees the tracks but no sound. 
alsaplayer-text works and I have written a bash script to simulate cdcd (not 
very professional). 
Can someone help me to improve it?
It is there: http://dl.free.fr/ibSYXRaTe

thanks in advance.

-- 
Gerard