Mutec MC-2 Manuel d'utilisateur télécharger pdf (Page 14)

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OPERATION

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Manual SDs-01 E 3.2.2003 18:26 Uhr Seite 12

MODE Function Area

The function area MODE includes six different operation modes for signal

distribution which are accessible by repeatedly pressing the DATA switch.

One or more LEDs will light for the corresponding mode, respectively for

combinations of modes. During the signal distribution process, the status

of the internal PLL circuit will be displayed in the status area STATUS.

Furthermore the clock rate of the incoming reference signal will be

analyzed and reported in the status area CLOCK IN. During all distribution

and conversion processes, the status bit settings of the incoming signal will

be not affected.

The factory default setting is AES/EBU.

AES/EBU

This function distributes an incoming AES/EBU reference signal alinged

to AES 3 or AES 11 directly to all AES/EBU and AES/EBU ID outputs

simultaneously. The internal PLL circuit is stabilizing and de-jittering, the

output driver stages are refreshing the incoming signal. The output level of

the AES/EBU ID outputs can be selected in function area AES/EBU ID

OUT.

AES/EBU

AES 3

→

This function combination distributes an incoming AES/EBU reference

signal as described above. Additionally this function converts an digital

audio signal (AES 3) which is supplied at the AES/EBU input into an digital

reference sync signal (aligned to AES 11). A real format conversion is carried

out during this process!

AES/EBU

AES 3

→

11 + REF PASS

This combination of three functions distributes and converts an incoming

AES/EBU reference signal as described under „AES/EBU“ and „AES/EBU

AES 3

→

11“. Additionally the system outputs the original incoming signal

at AES/EBU output no. 1 (marked as „1/

PASS“) while all other outputs are

carrying the converted AES 11 sync signal.

AES/EBU ID

This function distributes an incoming AES/EBU ID reference signal alinged

to AES 3 ID directly to all AES/EBU ID and AES/EBU outputs simultaneously.

The internal PLL circuit is stabilizing and de-jittering, the output driver

stages are refreshing the incoming signal. The output level of the AES/EBU

ID outputs can be selected in function area AES/EBU ID

OUT.

AES/EBU ID

AES 3

→

This function combination distributes an incoming AES/EBU ID reference

signal as described above. Additionally this function converts an digital

audio signal (AES 3) which is supplied at the AES/EBU ID input into an

digital reference sync signal (aligned to AES 11). A real format conversion is

carried out during this process!

AES/EBU ID

AES 3

→

11 + REF PASS

This combination of three functions distributes and converts an incoming

AES/EBU ID reference signal as described under „AES/EBU ID“ and „AES/EBU

AES 3

→

11“. Additionally the system outputs the original incoming

signal at AES/EBU ID output no. 1 (marked as „1/

PASS“) while all other

outputs are carrying the converted AES 11 sync signal.

Example

In a studio environment the only sync ref-

erence is a digital audio signal. This signal

should be available for a DA converter. But

at the same time sync reference signals are

needed for devices which should to be syn-

chronized to e.g. the digital mixing desk.

In this case the »AES/EBU + AES 3

→

11 + REF

PASS« function helps to make the digital

audio signal available for the DA converter,

while having a sync reference based on the

phase relationship of the digital audio signal

available for synchronization of the other

devices to the mixing desk.

AES 3: Digital Audio Signal

AES 11: Sync Reference Signal (converted out of AES 3)

»AES/EBU + AES 3

→

11 + REF PASS« Function

2 x AES 11 ID

OUT

AES 3

OUT

AES 3

2 x AES 11

OUT

3 x AES 11

OUT

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Mutec MC-2 Manuel d'utilisateur Page 14

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