HI ALL WELL TO B VERY HONEST I REALLY DONT EVEN KNOW THE DIFFERENCE BETWEEN ENCODER N DECODER CAN ANY ONE TELL ME IN DETAIL AND PLEASE TELL ME WHICH DECODERS OR ENCODERS MUST BE USED FOR FILE PLAYING ON NOKIA 6670 THANKS A LOT... A AGAIN PLZ TELL ME WHAT R THESE THINGS I AM NEW IN THE CODEC WORLD.... HOPING TO LISTEN FROM U ALL VERY SOON... TAKE CARE

1. Read: What´s the difference between "decoding", "encoding", "recoding" and "transcoding"?

2. You can check yourself what audio/video decoder must be used. Take a look on Nokia site

3. What kind of files are you trying to play?