AES 3 / AES-EBU Channel Status Byte Settings
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 | |