An MP3 file of higher quality, as determined by the bitrate, the larger the size it occupies. In fact, rarely have to listen to songs with higher bitrate to 128kbps, so much space that can be devoted to other things. MP3 Quality Modifier 2.02 capable of changing the quality of many MP3 files at the same time. Once you have added to the list with the Add Files and Add Folders, simply mark your