- Open Nero Wave Mp3 editor
- Drag or Open the Song you wanted to compress

- Select Save As option from File Menu and select file type as mp3/mp3PRO

- Click on the options available just at the right side of saving option and select the bit rate of the song to your own choice to compress the song

- Now Save it , Song is compressed and ready to play
Terms to understand :
| Constant Bit Rate : | Music will be played with same bit rate through entire songs time line. |
|---|---|
| Variable Bit Rate : | Music will be played between high and low bit rates mentioned through songs time line. |
| MONO : | Song will have only one layer to play the track , Which will be used by both left and right speakers to play |
| Stereo: | Song will have two layered tracks which are individually used by left and right speaker to play. |
