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Emu XL-7 & MP-7 User's Group

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SPDIF signal enhancers

2004-02-11 by erik_magrini@Baxter.com

To be honest, there's really no need to use one (I don't think they even 
exist).  Even though the signal is quiet, you can still normalize it to a 
hotter level and have it be cleaner than any analog signal you can record 
from the XX-7.  The only area that the quiet signal is bothersome IMO is 
when you're overdubbing into another sequencer and the other tracks are 
significantly louder.  It can be a pain to hear what you're trying to add, 
no?   In this case, it's best to just turn down the other tracks until 
you're done recording, and then normalize the new XX-7 part.

BTW, if you EVER normalize a digital signal, regardless of if it's the 
XX-7 or anything else, NEVER normalize to 0dB!!!!  There's some very valid 
reasons for this, mainly that some DAC's will actually create a signal 
that clips from intersample modulations it perceives as greater than 0dB!. 
 Sounds impossible, but it's a well known fact.  If you need to normalize 
a track, I recommend always normalizing no higher than -2dBFS.  Same thing 
applies when you're doing a final mix or master on a DAW, the final file 
should never be higher than -0.5dBFS.  Any hotter, and some CD players 
will actually clip the signal resulting in subtle, but noticeable 
distortion.

Just an FYI.
rEalm






The S/PDIF signal isn't suffering from any hum. It's just weak. Does 
anybody know if there are any signal enhancers for this problem?
Maik


 






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