Drawmer M-Clock DMS-1 Manuale d'uso - Pagina 6

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Certain equipment in the studio may not have word clock

inputs which has in the past caused synchronisation

problems, using the four channels of high quality sample

rate conversion on the DMS1 M-CLOCK these digital audio

sources may be synched to the same ultra low jitter AES3

grade 1 stability master clock generator as the equipment

using the word clock or AES11 outputs from the DMS-1.

INPUT 4

STATUS

1,2,3,4

TOSLINK OUTPUTS

1,2,3,4

CONTROL DESCRIPTION

MULTIPLE SAMPLE RATE CONVERTER

As well as the three inputs on the rear of the unit (2xAes/Ebu 1xSPDIF) two further sockets are

located on the front. These provide convenient access for the user to input from alternative sources,

and are selected between SPDIF and TOSLINK using the switch.

The four LED's indicate the status of the input sources, and correspond with the numbered input

connectors, 1 to 3 on the rear, and input 4 on the front.

When a led is lit continously a strong signal is being recieved by that input source and the M-Clock

is "locked on". If a led flickers, the signal for that particular input source is weak or unstable - in this

case the source of this weak signal should be located and improved.

As well as the numerous outputs on the rear of the unit, four further TOSLINK sockets are located on

the front, providing convenient access for the user.

The numbers 1 to 4 correspond with the relavent input source i.e. Input source 3 (SPDIF on the rear)

has the TOSLINK output 3 etc.

Also if any equipment in the studio suffers jitter at its output

these sample rate converters may be used to de-jitter and

re-clock the signals before further transmission. Each

sample rate converter input is fed simultaneously to AES/

EBU, SPDIF and TOSLINK outputs solving any connectivity

problems and allowing signal distribution.

See Fig 1. The Noise Floor of the Sample Rate Converters

CHAPTER 2

see fig.1