Please check the following
A. Check the writing speed
Depending on the drive or CD-R/RW media, noises or dropouts may occur when a high writing speed is selected to write the song.
Select a slower writing speed instead and re-write the song.
B. Check if other types of software are running concurrently
When other programs are running concurrently during the recording of songs, noises may be recorded or dropouts may occur.
Close all programs except SonicStage Mastering Studio before recording any song.
C. Check if a screen saver is enabled
If a screen saver starts during the recording of songs, noises may be recorded or dropouts may occur.
Disable the screen saver before recording any song.