The physical format of CD-ROM sector

CD-ROM Mode 1 sync sector head user data EDC no data ECC
12 4 2048 4 8 276
CD-ROM Mode 2 sync sector head user data
12 4 2336
CD-ROM Mode 2 Form 1 sync sector head sub code channel user data EDC ECC
12 4 8 2048 4 276
CD-ROM Mode 2 Form 2 sync sector head sub code channel user data ECC
12 4 8 2324 4
Sctor length 2352 bytes

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