Mp3's gone berzerk

HI Guys and Gals,

I have a laptop with some mp3s on. when i listen to it on my laptop it works perfectly. when i copy it to a data disc to listen in my car radio which always used to work… the sound is very fast and is distorting.
when i copy the mp3’s to my mobile phone, the same problem occurs.

please help!!!

Perhaps the mp3s were encoded with a bit rate your car player and mobile phone cannot handle? Many devices do not support extremely high bit rates or variable bit rates.

the mp3’s used to work fine in my car and on my phone.
i’ve noticed that if i copy the mp3’s on a memory stick and paste it to another pc… the same problem occurs yet again.