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MSD Software Manual PRELIMINARY Release Chapter 6 The Extended Audio Matrix.

6.2.1.1.2 SRC Bypass and External Sync.

To bypass the Sample Rate Converter (SRC) on one of the AES sources, first

select the desired AES source in the ‘Matrix Source Window’ using the green

selection bar and then press the [Bypass] key to bypass it.

The SRC‘s on all the AES Inputs can be individually bypassed. When

bypassing a SRC it is important to remember that the incoming AES signal

must be synchronised to the MSD. In most situations it is not recommended to

bypass the SRC due to the risk of generating a synchronisation error. Such

errors will generate full-scale “clicks” in the audio stream. Without audibly

monitoring the measured AES signal, these clicks could be mistaken for a real

audio signal.

The MSD will be delivered from the factory with the SRC on.

Please see section 11.5.1 for further information on external synchronisation.

6.2.1.2 SDI Input Options.

If the MSD is fitted with a SDI De-Embedding module it is possible to extract

(de-embed) the audio and use it in the MSD as any other digital audio source.

Since the SDI options are highly hardware dependent not all MSD models

covered in this manual will support these functions.

There can be a total of 16 channels embedded in a SDI signal. These audio

channels are grouped into four groups of four channels. Only one group of

channels can be de-embedded at a time.

6.2.1.2.1 SDI System select.

The video system is normally detected automatically, but it can be

forced to be either 525-lines NTSC or 625-lines PAL.

To select between video systems use the arrow [] / [] keys to move the

green selection bar to the item called ‘SYSTEM’ and then press the [SELECT]

key.

From the system select menu, use the arrow [] / [] keys to move the

green selection bar to the desired system and then press the [SELECT] key. If

the correct video system is detected the ‘SDI Lock’ flag in the SDI option

Window will turn green.

PRELIMINARY Release Page 11 of 64.

The SDI Option Window.

The SD-System Select Window.

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