Hazem Mastering is rated 3 out of 5 in the category media production. Read and write reviews about Hazem Mastering. Audio Mastering and Mixing, the studio is specialized in mixing and mastering of audio work, in mono, stero and surround 5.1, for any use, on air, CD, DVD, ..... The owner's experience goes back to 1996 when he started working in the audio field after graduating from the electronical collage.