The Air-1 is a nice looking console. I like the Arrakis Arc-10 series too,
nice and simple like the Air-1. The dBFS reference makes sense though since
the console outputs +24dBu. You wouldn't want a 0dBFS source driving the
console at near +24dBu all the time.
----- Original Message -----
From: "Alan Peterson" <[email protected]>
To: "rivendell-dev" <[email protected]>
Sent: Saturday, August 17, 2013 12:22 AM
Subject: Re: [RDD] M-Audio Delta 44 +4db Output
Aren't standards fun?
I reviewed the AudioArts Air-1USB broadcast console for Radio World about
a year ago and was puzzled to see the meters not bouncing around in a
manner I'm used to seeing. Turns out the USB port was glued down to 0VU
= -20 dBFS.
I'm not done with analog studios as of yet. If I had to, I still could
make up some gain somewhere with a simple little 5532 circuit. But coaxing
a USB UART chip to give you a hotter level? IDTS.
-ap
----- Original Message -----
From: "Gavin Stephens" <[email protected]>
Subject: Re: [RDD] M-Audio Delta 44 +4db Output
According to the manual, that card can only output +14dBu. So there's 10dB
robbed by not having a proper +24dBu output.
So if you are 'peak' normalising your files to say -13dBFS, the peak
output
of the card when set to +4dBu will still only be +14dBu - 13dB (if peak
normlised files to RD default) = +1dBu output. Depending on what your
transmitter is wanting you'll still be less than +4dBu out of the sound
card.
Even if you files were normalised to peak 0dBFS, the card would only
output
+14dBu max, so if you're average level (if you're not peak normalising)
was
to be +4dBu you've only got 10dB peak headroom for peaks to acheive a
norminal +4dBu out.
I am so over analogue studios for this reason alone, I like all digital to
a
transmitter that has an AES/EBU D/A with easy to adjust peak reference on
a
screen or app. No more all over the place output level's by prosumer
cards.
----- Original Message -----
From: "Robert" <[email protected]>
To: "rivendell-dev" <[email protected]>
Sent: Thursday, August 15, 2013 10:35 PM
Subject: [RDD] M-Audio Delta 44 +4db Output
This card is supposed to have a +4 out switchable with -10 default.
Envy 24 control panel does not seem to have this switch.
Has anyone managed to get around this ?
System is at a transmitter and the inputs need more level..
regards
Robert Jeffares
Big Valley Radio
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