[AndrewT]

Thanks! I’ll check when we come off air..

[AndrewT]

Once again many thanks for your input. My early experience of ‘live’ radio OB’s goes back to constant impedance Rotary and Quadrant faders! – None of this VCA rubbish!!!
Cheers
AndrewT

[AndrewT]

Hi,

Thanks for your reply.

I have been working to PPM Level 4 or as one engineer told me PPM 4 and a needle width!?

My understanding has always been that if you take 775mV to a 600ohm load you could refer to that as ‘Zero’.

If I remember correctly some mixer manufacturers work to 775mV and others work to 1V.

Mind you in a mixed analogue audio / digital video truck attempting to reconcile encoded audio levels on an SDI stream to the original analogue can input make for interesting reading – especially on Blackmagic Design Equipment

Thanks again,

AndrewT

[Author]

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