RME Audio Micstasy Guide de l'utilisateur télécharger pdf (Page 20)

User’s Guide Micstasy © RME

11. The Setup Menu

11.1 General

Some options and settings are accessed and changed very seldom. These have been collected

in the Setup menu.

The Setup menu is entered by pushing SAVE and RECALL at the same time. All changes are

stored automatically.

11.2 Auto ID (Au)

Default: Off

Available settings: On, Off

This option relates to the use of the I64 MADI Card. Multiple Micstasy (and ADI-642 and ADI-8

QS, see chapter 14.4) connected serially can assign consecutive IDs to themselves (see chap-

ter 11.4). For this to happen, Auto ID is set to On at the first device of the chain. All other de-

vices automatically turn into slaves. An Auto ID slave has the middle dot lit in the GAIN display

of channel 8.

11.3 Delay Compensation (dC)

Default: 0ff

Available settings: On, Off

This option relates to the use of the I64 MADI Card. When multiple devices are connected seri-

ally, the MADI I/O of each Micstasy causes a delay of 3 samples. Therefore at the MADI output

of the last device, the data of all upstreamed devices are delayed. At Double Speed the delay

rises to 6 samples per unit, at Quad Speed to 12 samples.

The problem of this offset is solved by the function Delay Compensation. It delays the signals in

a way that they are sample-synchronous in multi-device operation. Attention: Delay Compensa-

tion has to be manually activated in each unit!

The following table lists the delay in samples from two up to eight units connected serially.

When using four units, the data of the first unit are delayed by 9 samples to the last unit, the

units 2 and 3 are delayed by 6 and 3 samples respectively. At Double Speed and Quad Speed

the values rise. Please note that in Double Speed no more than four, in Quad Speed no more

than two Micstasy can be used serially with MADI.

Units Delay Delay DS Delay QS DC DC DS DC QS

2 3 6 12 21 18 12

3 6 12 - 21 18 -

4 9 18 - 21 18 -

5 12 - - 21 - -

6 15 - - 21 - -

7 18 - - 21 - -

8 21 - - 21 - -

As shown in the table, activating DC causes a constant delay of 21 samples in Single Speed,

no matter how many devices are connected serially. In Double Speed the delay is 18, in Quad

Speed 12 samples. The in most cases slightly increased delay is outweighed by the big advan-

tage of sample-aligned I/Os when using multiple units.

21 samples @ 48 kHz

equal 437 µs.

18 samples @ 96 kHz

equal 187 µs.

12 samples @ 192

kHz equal 62.5 µs.

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 61 62

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RME Audio Micstasy Guide de l'utilisateur Page 20

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