Acceptable Formats for CD Masters We can accept CD-Recordable that conform to the proper color book standards (yellow, green and red). Discs may not have any physical defects. R-DAT Digital Audio tapes must be recorded continuously with no breaks. One minute of silence at the beginning of the tape is required. Please supply a log with number of tracks and length of each track. x Other acceptable mastering formats are: • 8mm Exabyte • 3/4” U-matic 1630