Friday, June 18, 2010

[Avid-L2] Re: Adrenaline AES Audio In And Out

--- In Avid-L2@yahoogroups.com, Christopher Pitbladdo <avid@...> wrote:
>
> Hi James, Thanks a million for taking the time to respond... I'll
> answer each of your Q's below.
>
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>
> On 14/06/2010 09:47, j_turner_productions wrote:
> >
> > Hi CP
> >
> > I've spent many years working with Adrenaline boxes and Yamaha 03D
> > mixers (Using ADAT and AES depending on instalation) and there are
> > some serious "funnies" out there (I've never had Avid yet admit the
> > bugs but they do not make logical sense and they certainly do not
> > follow the sensible logic of Meridian!)
> >
> > OK - In order to work out exactly what is going on can you let me know
> > how you have your setup currently configured.
> >
> > What do you have selected as the clock reference source on the 02R?
> > (Internal, External, slot etc...)
> >
> The 02R won't take a clock reference from the incoming AES slot inputs -
> they're crossed-out, so I'm taking it from Int48kHz (the Adrenaline
> clock is ticking at 48kHz too)
>

OK - This will not work - you will have to select either incoming AES or Wordclock (I'll cover later why you don't have the option at the moment)

>
> > What do you have selected as the current video reference on the video
> > output tab on the Avid?
> >
> I'll have to take a look at this when I get home in a few hours.
>

If you don't have a B&B Generator (As specified elsewhere I think) I suspect you will be on internal)

> > What do you have currently selected as the video input on the capture
> > tool on the Avid?
> >
> It's sitting on Composite Input (even though I don't have ANY inputs
> connected to the Avid)
>

Not being funny but this is your biggest problem I'm affraid!

> >
> > What do you have as physical reference sources (B&B? Wordclock? and
> > What video sources do you have? (decks? external lines? etc? and how
> > are they referenced?)
> >
> I don't have any reference going into the Avid at all. I only really
> use that particular machine for working on things at the weekend, rather
> than go into the office. I could probably dig out a BBGen from
> somewhere if that'll make it tick?
>
> Like I say, this all worked swimmingly for three years on a Meridien
> setup, with no inputs or fancy bits and pieces, which is what's thrown me.
>

Meridien is a completely different beast that did Digital audio correctly - Adrenaline has always had this stupid bug with digital audio.

With Meridien systems the output digital audio (and wordclock) was always reclocked to be in sync with the incoming B&B (as you would expect)

With Adrenaline systems the output digital audio (and wordclock) is always reclocked to be in sync with the incoming selected video source

This has never made sense to me and has always created problems.

In your case you need to find a video source for your composite (or whatever is selected) source.

In theory all you should need to do is get a length of 75ohm cable with BNC connecters at both ends - and some source of video (B&B Gen, VTR TSG etc) and connect the source to the composite input of the Adrenaline box.

If you can lay your hands on a small simple B&B Box then it's probably worth connecting it up to the reference input as well as the composite input - and connecting the wordclock to the mixer.

Please let us know how you get on.

James

> Again, thanks so much for taking the time to look at this James,
> CP
>
>
>
> [Non-text portions of this message have been removed]
>


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