52
3
3
 3  MPEG 3 .
  3  CD-ROM, CD-R  CD-RW.
 3, ,  ISO 9660. 
3,  .
 3, ,  “.mp3”.
 3 ,  “.mp3”, .
       ,  “ MP3” ��”,    PC
” “ ”  .
      8,   .   
 256.
     .
 , , 3.
  8   VBR,   ,
         . VBR:   
.