formát MP3(A digital audio coding scheme used to distribute recorded music over the Internet. MP3 shrinks the size of an audio file by a factor of 10 to 12 without degrading the quality (CD-recording level) of the sound)
MPEG Audio Layer-3(A digital audio coding scheme used to distribute recorded music over the Internet. MP3 shrinks the size of an audio file by a factor of 10 to 12 without degrading the quality (CD-recording level) of the sound)
