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Author Topic: 0VU <-> digital reference level?  (Read 21040 times)

Silvertone

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Re: 0VU <-> digital reference level?
« Reply #15 on: September 15, 2007, 07:16:35 AM »

0VU = -14dBFS here as well.
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masterhse

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Re: 0VU <-> digital reference level?
« Reply #16 on: September 15, 2007, 07:36:51 AM »

Silvertone wrote on Sat, 15 September 2007 07:16

0VU = -14dBFS here as well.


Same.
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Tom Volpicelli
The Mastering House Inc.
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Ed Littman

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Re: 0VU <-> digital reference level?
« Reply #17 on: September 15, 2007, 09:18:57 AM »

bblackwood wrote on Fri, 14 September 2007 23:49

Ed Littman wrote on Fri, 14 September 2007 22:41


Quote:

you're using dorrough or logitek, no problem since it can read +20, and then you have both technical accuracy and useful range.

Since getting Dorrough meters a bunch of years back that read up to +20
0vu= -20dbfs for me

Do you trim the signal before your analog chain or run it through the analog gear that hot?


I've been getting mixes that don't go higher than -3dbfs from my clients so no need to, but other wise I trim.

It seems that I'm the odd man out on this. Am I the only one with +20 dorrough meters?(+20=0dbfs)& since most analog gear has a maximum signal level arround 25db I would think it had the headroom .Am I missing something here?

Ed


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Jerry Tubb

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Re: 0VU <-> digital reference level?
« Reply #18 on: September 15, 2007, 11:09:57 AM »

bblackwood wrote on Sat, 15 September 2007 05:42

JT, the lower you go below 0dBFS when referencing 0VU, the HOTTER the signal hits your analog gear - those of use running @ -8dBFS = 0VU are running our analog chains 6dB lower than you are @ -14dBFS = 0VU...


Yeah, I know. Audio levels 101.

As stated, I'm running at -14dBFS, the middle ground between -20dBFS and -8dBFS, to allow for a wide range of variance in mix levels we recieve.

Why do you prefer to run so low?

Doesn't that give you a lot of gain to make up at various points?

JT
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Andrew Hamilton

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Re: 0VU <-> digital reference level?
« Reply #19 on: September 15, 2007, 12:22:13 PM »

bblackwood wrote on Sat, 15 September 2007 06:42


Quote:

Curious why some guys go for -8dBFS, you gettin' much headroom on mixes you receive?

It varies. I just prefer running my analog gear with more headroom. A hot mix running on a system calibrated to @ -18dBFS = 0VU means I'm going to be running pretty hot through my analog chain...

Quote:

What level do you set your post analog loop ADC, same as your DAC?

Yep, unity throughout here.




Does this mean that your masters correspond to a hypothetical "K-8?"  


_andrew
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Andy Krehm

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Re: 0VU <-> digital reference level?
« Reply #20 on: September 15, 2007, 12:46:26 PM »

Ed Littman wrote on Sat, 15 September 2007 09:18

bblackwood wrote on Fri, 14 September 2007 23:49

Ed Littman wrote on Fri, 14 September 2007 22:41


Quote:

you're using dorrough or logitek, no problem since it can read +20, and then you have both technical accuracy and useful range.

Since getting Dorrough meters a bunch of years back that read up to +20
0vu= -20dbfs for me

Do you trim the signal before your analog chain or run it through the analog gear that hot?


I've been getting mixes that don't go higher than -3dbfs from my clients so no need to, but other wise I trim.

It seems that I'm the odd man out on this. Am I the only one with +20 dorrough meters?(+20=0dbfs)& since most analog gear has a maximum signal level arround 25db I would think it had the headroom .Am I missing something here?

Ed




Gee, I thought I was the odd man out at -20dBFS = 0VU! That's what the LavryGold DAC was set at when I got it so we decided to leave it there.

My experience is that I'm lowering the gain to go into my analog chain about 90% of the time and leaving it at 0 or raising it about 10%. I use one of my TC 6000 modules for the digital gain staging. While its not completely neutral, it doesn't bother me. I'd like to try something analog here, as described in a previous thread, but its not on the front burner here.

When I use tape, I like it 1st thing in the analog chain and the levels into it are very critical whereas when not using it, I can often get away with using my TubeTech to alter the gain into the rest of my analog gear.

Of course I have to make it up later.

So I guess I should consider setting a new standard here.

Bob Boyd

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Re: 0VU <-> digital reference level?
« Reply #21 on: September 15, 2007, 12:52:51 PM »

This is a good discussion.  I need to clarify.

My analog loop is calibrated to 0VU = -20dBFS
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Andy Krehm

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Re: 0VU <-> digital reference level?
« Reply #22 on: September 15, 2007, 01:19:16 PM »

Bob Boyd wrote on Sat, 15 September 2007 12:52

This is a good discussion.  I need to clarify.

My analog loop is calibrated to 0VU = -20dBFS

What's to discuss? You're old school Laughing !

rankus

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Re: 0VU <-> digital reference level?
« Reply #23 on: September 15, 2007, 02:47:11 PM »


A handy visualization tool thats been floating around:

index.php/fa/6191/0/

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bblackwood

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Re: 0VU <-> digital reference level?
« Reply #24 on: September 15, 2007, 03:11:26 PM »

Jerry Tubb wrote on Sat, 15 September 2007 10:09

Why do you prefer to run so low?

More headroom for the analog chain. I think it sounds better.

Quote:

Doesn't that give you a lot of gain to make up at various points?

Only at the ADC...
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Brad Blackwood
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bblackwood

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Re: 0VU <-> digital reference level?
« Reply #25 on: September 15, 2007, 03:12:27 PM »

Andrew Hamilton wrote on Sat, 15 September 2007 11:22

bblackwood wrote on Sat, 15 September 2007 06:42


Quote:

Curious why some guys go for -8dBFS, you gettin' much headroom on mixes you receive?

It varies. I just prefer running my analog gear with more headroom. A hot mix running on a system calibrated to @ -18dBFS = 0VU means I'm going to be running pretty hot through my analog chain...

Quote:

What level do you set your post analog loop ADC, same as your DAC?

Yep, unity throughout here.




Does this mean that your masters correspond to a hypothetical "K-8?"  

Que?

I have no idea. I cut records at different levels everyday - it has nothing to do with my ADC/DAC cal levels.
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Brad Blackwood
euphonic masters

dcollins

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Re: 0VU <-> digital reference level?
« Reply #26 on: September 15, 2007, 08:09:08 PM »

bblackwood wrote on Sat, 15 September 2007 12:12


Que?



"He's from Barcelona."

DC


MASSIVE Mastering

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Re: 0VU <-> digital reference level?
« Reply #27 on: September 16, 2007, 02:37:56 AM »

-10.  

I know, I know...  Gotta be the odd-ball.   Laughing

(Side-note:  I don't track often anymore, but I try to keep my input converters at around 0VU ~ -20dBRMS for tracking)
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John Scrip
Massive Mastering - Chicago (Schaumburg / Hoffman Est.), IL - USA

Andrew Hamilton

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Re: 0VU <-> digital reference level?
« Reply #28 on: September 16, 2007, 12:45:25 PM »

Perhaps I've misunderstood the concept.  My 0 VU is at -12 dBFS.  That's what I cut at 9/10.  If you use a VU meter on your console and your 0 VU is -8 dBFS, aren't you thereby making a record that has an average level close to your 0 VU (i.e., -8 dBFS VU)?





_andrew
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masterhse

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Re: 0VU <-> digital reference level?
« Reply #29 on: September 16, 2007, 04:01:20 PM »

dcollins wrote on Sat, 15 September 2007 20:09

bblackwood wrote on Sat, 15 September 2007 12:12


Que?



"He's from Barcelona."

DC





That would be Que-8 then.
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Tom Volpicelli
The Mastering House Inc.
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