One of the main advantages of the mp3 format is its compaction power which is possible to create lighter files without opening much of the quality.
Value mp3 files usually have a bitrate of 128 kbps, with that quality you can enjoy music with no problems, in addition to being an exigence music lover. Good for listening and saving that size, good quality and small size.
If you have many audio files and you need more space, you can use MP3 quality modifier, a light program that helps you to improve the quality of your files and helps you get the most out of your HD.
The MP3 quality correction lets you make a bitrate change of 10 to 310 kbps. You can change the frequency of 8000 to 48000 Hz and audio channels.
It's very easy to use, just drop and drop files, set the transformer list and output settings.