| Professional Mode | Consumer Mode | |||||||||||||
| Byte 0 | Byte 0 | |||||||||||||
| Bit | 0 | Pro /Con | Bit | 0 | Pro/Con | |||||||||
| 0 | Consumer Use | 0 | Consumer Use | |||||||||||
| 1 | Professional Use | 1 | Professional Use | |||||||||||
| Bit | 1 | Audio/Non-Audio | Bit | 1 | Audio/Non-Audio | |||||||||
| 0 | Normal Audio | 0 | Normal Audio | |||||||||||
| 1 | Non-Audio | 1 | Non-Audio | |||||||||||
| Bit | 2 | 3 | 4 | Signal Emphasis | Bit | 2 | Copy/Copyright | |||||||
| 0 | 0 | 0 | Not Indicated | 0 | Copy Inhibited | |||||||||
| 1 | 0 | 0 | None | 1 | Copy Permitted | |||||||||
| 1 | 1 | 0 | 50/15us | Bit | 3 | 4 | 5 | Pre-Emphasis | ||||||
| 1 | 1 | 1 | CCITT J.17 | 0 | 0 | 0 | None | |||||||
| Bit | 5 | Lock Source | 1 | 0 | 0 | 50/15us | ||||||||
| 0 | Locked Default | Bit | 6 | 7 | Mode | |||||||||
| 1 | Unlocked | 0 | 0 | Mode 0 | ||||||||||
| Bit | 6 | 7 | Sample Rate | |||||||||||
| 0 | 0 | Not Indicated | ||||||||||||
| 0 | 1 | 48kHz | ||||||||||||
| 1 | 0 | 44.1kHz | ||||||||||||
| 1 | 1 | 32kHz | ||||||||||||
| Byte 1 | Byte 1 | |||||||||||||
| Bit | 0 | 1 | 2 | 3 | Channel Mode | Bit | 0 | 1 | 2 | 3 | Category Code | |||
| 0 | 0 | 0 | 0 | Not Indicated | 0 | 0 | 0 | 0 | General | |||||
| 0 | 0 | 0 | 1 | Two-Channel | 0 | 0 | 0 | 1 | Solid State Memory | |||||
| 0 | 0 | 1 | 0 | Single Channel | 0 | 0 | 1 | x | Broadcast | |||||
| 0 | 0 | 1 | 1 | Primary-Secondary | 0 | 1 | 0 | x | Digital Converters | |||||
| 0 | 1 | 0 | 0 | Stereophonic | 0 | 1 | 1 | 0 | A/D Converters | |||||
| 0 | 1 | 0 | 1 | Reserved | 0 | 1 | 1 | 1 | Broadcast | |||||
| 0 | 1 | 1 | 0 | Reserved | 1 | 0 | 0 | x | Laser Optical | |||||
| 1 | 1 | 1 | 1 | Vector to Byte 3 | 1 | 0 | 1 | x | Musical Instruments | |||||
| Bit | 4 | 5 | 6 | 7 | User Bits Management | 1 | 1 | 0 | x | Magnetic Tape or Disk | ||||
| 0 | 0 | 0 | 0 | Not Defined | 1 | 1 | 1 | x | Reserved | |||||
| 0 | 0 | 0 | 1 | Main Audio | Bit | 7 | Generation Status | |||||||
| 0 | 0 | 1 | 0 | Single | 0 | 1st Generation | ||||||||
| 0 | 0 | 1 | 1 | User Defined | 1 | Original | ||||||||
| Byte 2 | Byte 2 | |||||||||||||
| Bit | 0 | 1 | 2 | Aux Sample Bits | Bit | 0 | 1 | 2 | 3 | Source Number | ||||
| 0 | 0 | 0 | Not Defined, 20bit | 0 | 0 | 0 | 0 | Unspecified | ||||||
| 0 | 0 | 1 | Main Audio, 24bit | 1 | 0 | 0 | 0 | 1 | ||||||
| 0 | 1 | 0 | Single, 20bit | 0 | 1 | 0 | 0 | 2 .. to .. | ||||||
| 0 | 1 | 1 | User Defined | 1 | 1 | 1 | 1 | .. 15 | ||||||
| Bit | 3 | 4 | 5 | Word Length | Bit | 4 | 5 | 6 | 7 | Channel Number | ||||
| 0 | 0 | 0 | Not Indicated | 0 | 0 | 0 | 0 | Unspecified | ||||||
| 0 | 0 | 1 | 23bit | 1 | 0 | 0 | 0 | A | ||||||
| 0 | 1 | 0 | 22bit | 0 | 1 | 0 | 0 | B | ||||||
| 0 | 1 | 1 | 21bit | 1 | 1 | 0 | 0 | C .. to .. | ||||||
| 1 | 0 | 0 | 20bit | 0 | 1 | 1 | 1 | ..N | ||||||
| 1 | 0 | 1 | 24bit | 1 | 1 | 1 | 1 | O | ||||||
| Byte 3 | ||||||||||||||
| Byte 4 | Byte 3 | |||||||||||||
| Bit | 0 | 1 | Reference Signal | Bit | 0 | 1 | 2 | 3 | Sample Rate | |||||
| 0 | 0 | Not Reference Signal | 0 | 0 | 0 | 0 | 44.1kHz | |||||||
| 0 | 1 | Grade 1 Reference Signal | 0 | 1 | 0 | 0 | 48kHz | |||||||
| 1 | 0 | Grade 2 Reference Signal | 1 | 1 | 0 | 0 | 32kHz | |||||||
| 1 | 1 | Reserved | Bit | 4 | 5 | Clock Accuracy | ||||||||
| Bit | 2 | 3 | 4 | 0 | 0 | Level 2, +/-1000ppm | ||||||||
| 0 | 0 | 0 | 0 | 1 | Level 3, variable | |||||||||
| Bit | 5 | 6 | 7 | 1 | 0 | Level 1, +/-50ppm | ||||||||
| 0 | 0 | 0 | 1 | 1 | Reserved | |||||||||
| Byte 5 .. 22 | ||||||||||||||
| Byte 23 | Byte 4 .. 23 | |||||||||||||
