Why is mastering necessary?
Mastering is the last creative process in the production chain and the final technical check before duplication. Creatively, an artist can wait until mastering to edit songs, adjust fades, sequence the tracks and add the time between the songs. Generally speaking, the goal is to make it as easy as possible for the listener to get through the CD without needing to adjust playback volume and EQ. This is accomplished with equalization, compression, and/or limiting. But equalization and compression can also be used to change the character of the recording. In the right hands, mastering can transform a collection of good mixes into a great album. Many independent CD projects are being recorded and mixed in less than ideal environments. Compromises in room acoustics in these “project studios” prevent the engineer from realizing the true nature (balance) of their mix. Inconsistencies from song to song can also exist if more than one person is mixing the project in different studios using diff
