| 210 | |
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| 211 | |
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| 212 | Audio channel locations in a frame |
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| 213 | ---------------------------------- |
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| 214 | |
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| 215 | Not surprisingly the different MOTU interfaces place channels at different |
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| 216 | offsets within a frame. This section attempts to document what we know |
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| 217 | about the channel locations for various devices. |
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| 218 | |
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| 219 | 828 Mk 1: |
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| 220 | Analog 1-8: 10, 13, 16, 19, 22, 25, 28, 31 |
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| 221 | SPDIF 1-2: 34, 37 |
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| 222 | ADAT 1-4: 40, 43, 46, 49 |
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| 223 | ADAT 5-8 (1x rates only): 52, 55, 58, 61 |
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| 224 | |
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| 225 | 896HD: |
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| 226 | Mix L-R (in, not at 4x): 10, 13 |
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| 227 | Phones L-R (out, not at 4x): 10, 13 |
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| 228 | Analog 1-8 (1x/2x rate): 16, 19, 22, 25, 28, 31, 34, 37 |
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| 229 | Analog 1-8 (4x rate): 10, 13, 16, 19, 22, 25, 28, 31 |
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| 230 | MainOut L-R (out, 1x/2x only): 40, 43 |
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| 231 | Unknown 1-2 (in, 1x/2x only): 40, 43 |
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| 232 | ADAT 1-4 (1x/2x only): 46, 49, 52, 55 |
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| 233 | ADAT 5-8 (1x only): 58, 61, 64, 67 |
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| 234 | AES/EBU 1-2 (1x with ADAT active): 70, 73 |
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| 235 | AES/EBU 1-2 (2x with ADAT active): 58, 61 |
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| 236 | AES/EBU 1-2 (1x/2x with ADAT off): 46, 49 |
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| 237 | |
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| 238 | 828 Mk 2: |
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| 239 | Mix L-R (in): 10, 13 |
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| 240 | Phones L-R (out): 10, 13 |
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| 241 | Analog 1-8: 16, 19, 22, 25, 28, 31, 34, 37 |
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| 242 | Mic 1-2 (in): 40, 43 |
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| 243 | Main L-R (out): 40, 43 |
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| 244 | SPDIF 1-2: 46, 49 |
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| 245 | ADAT 1-4: 52, 55, 58, 61 |
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| 246 | ADAT 5-8 (1x rates only): 64, 67, 70, 73 |
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| 247 | |
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| 248 | Traveler: |
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| 249 | Mix L-R (in, 1x/2x rates only): 10, 13 |
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| 250 | Phones L-R (out, 1x/2x rates only): 10, 13 |
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| 251 | Analog 1-8 (1x/2x rate): 16, 19, 22, 25, 28, 31, 34, 37 |
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| 252 | Analog 1-8 (4x rate): 10, 13, 16, 19, 22, 25, 28, 31 |
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| 253 | AES/EBU 1-2 (1x/2x rate): 40, 43 |
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| 254 | SPDIF/Toslink 1-2 (1x/2x rate): 46, 49 |
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| 255 | ADAT 1-4 (1x/2x rate): 52, 55, 58, 61 |
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| 256 | ADAT 5-8 (1x rate): 64, 67, 70, 73 |
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| 257 | |
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| 258 | Ultralite: |
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| 259 | Mix L-R (in): 10, 13 |
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| 260 | Phones L-R (out): 10, 13 |
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| 261 | Mic 1-2 (in): 16, 19 |
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| 262 | Analog 1-2 (out): 16, 19 |
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| 263 | Analog 3-8: 22, 25, 28, 31, 34, 37 |
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| 264 | SPDIF 1-2 (in): 40, 43 |
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| 265 | Main L-R (out): 40, 43 |
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| 266 | Padding (in): 46, 49 |
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| 267 | SPDIF 1-2 (out): 46, 49 |
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| 268 | |
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| 269 | 8Pre: |
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| 270 | Mix L-R (in): 10, 13 |
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| 271 | Phones L-R (out): 10, 13 |
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| 272 | Analog 1-8 (in): 16, 19, 22, 25, 28, 31, 34, 37 |
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| 273 | Main L-R (out): 16, 19 |
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| 274 | Padding (out): 22, 25 |
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| 275 | ADAT 1-8 (in): 40, 43, 46, 49, 52, 55, 58, 61 |
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| 276 | ADAT 1-8 (out): 22, 25, 28, 31, 34, 37, 40, 43 |
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| 277 | |
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| 278 | 828 Mk 3: |
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| 279 | Mic 1-2 (in, 1x/2x rates): 10, 13 |
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| 280 | Phones L-R (out, 1x/2x rates): 10, 13 |
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| 281 | Unknown 1-2 (out, 4x rates): 10, 13 |
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| 282 | Analog 1-8: 16, 19, 22, 25, 28, 31, 34, 37 |
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| 283 | Return 1-2 (in): 40, 43 |
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| 284 | Main L-R (out): 40, 43 |
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| 285 | SPDIF 1-2 (1x/2x rates): 46, 49 |
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| 286 | Unknown (out, 4x rates): 46, 49 |
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| 287 | Reverb 1-2 (in, 1x/2x rates): 52, 55 |
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| 288 | [ Optical ports follow according to optical mode: first Optical-A |
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| 289 | channels, then optical-B channels. Out channels start at 52, in channels |
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| 290 | start at 58. At 1x rates 58/61 are "unknown" ahead of the optical |
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| 291 | channels, with inputs at 76/79 being unknown at 2x rates. ] |
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| 292 | |
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| 293 | Ultralite Mk 3: |
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| 294 | Mix L-R (in): 10, 13 |
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| 295 | Phones L-R (out): 10, 13 |
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| 296 | Mic 1-2 (in): 16, 19 |
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| 297 | Analog 1-2 (out): 16, 19 |
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| 298 | Analog 3-8: 22, 25, 28, 31, 34, 37 |
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| 299 | SPDIF 1-2 (in, 1x/2x rates): 40, 43 |
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| 300 | Padding (out, 1x/2x rates): 40, 43 |
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| 301 | SPDIF 1-2 (out, 1x/2x rates): 46, 49 |
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| 302 | |
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| 303 | Ultralite Mk 3 hybrid: |
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| 304 | Mix L-R (in): 10, 13 |
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| 305 | Phones L-R (out): 10, 13 |
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| 306 | Mic 1-2 (in): 16, 19 |
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| 307 | Analog 1-2 (out): 16, 19 |
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| 308 | Analog 3-8: 22, 25, 28, 31, 34, 37 |
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| 309 | SPDIF 1-2 (in, 1x/2x rates): 40, 43 |
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| 310 | Main L-R (out): 40, 43 |
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| 311 | Reverb 1-2 (in, 1x/2x rates): 46, 49 |
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| 312 | SPDIF 1-2 (out, 1x/2x rates): 46, 49 |
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| 313 | Unknown 1-4 (in, 1x/2x rates): 52, 55, 58, 61 |
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| 314 | |
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| 315 | Traveler Mk 3: |
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| 316 | Mix L-R (in): 10, 13 |
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| 317 | Phones L-R (out): 10, 13 |
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| 318 | Analog 1-8: 16, 19, 22, 25, 28, 31, 34, 37 |
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| 319 | AES/EBU 1-2 (1x/2x rates): 40, 43 |
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| 320 | SPDIF 1-2 (1x/2x rates): 46, 49 |
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| 321 | Reverb 1-2 (in, 1x rates): 52, 55 |
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| 322 | Unknown 1-2 (in, 1x rates): 58, 61 |
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| 323 | [ Optical port channels follow in a similar was as for the 828 Mk 3. |
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| 324 | The precise locations are yet to be confirmed as of 14 Sept 2010. ] |
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