Vocals sounds double?!

  • Thread starter Thread starter filete
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filete

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Testing an AT3035 thru VTB-1 Studio Projects Preamp,
directly to a Pro Tools HD rig, send signal to headphones mix,
and a strange thing is happening:

Vocals are nice warm with tube blend, but at the same time
the voice sounds like is been double, even if taking out the tube blend!
All the cables have been check thru all the chain,
AT3035 is with -10 pad, high pass filter 80Hz ON. I have a couple of VTB-1
and happens with all, also tested with polarity reverse on VTB-1, but no luck...

What I am missing here?
Do you guys know any tests I can do to find the cause?

Any help would be great!
Thanks
;)
 
Are they being recorded "double" or is that just what you're hearing in the headphones? If it's just in the cans, it is probably just the delay/latency of your system. You may need to enable direct monitoring and adjust your buffer/delay settings within the software.
 
scrubs said:
Are they being recorded "double" or is that just what you're hearing in the headphones? If it's just in the cans, it is probably just the delay/latency of your system. You may need to enable direct monitoring and adjust your buffer/delay settings within the software.
Click to expand...

No, they are not recorded "double".
They are just in the headphone, and Im using 128ms buffer size
on Pro Tools settings, so latency is not a problem in this system.
 
filete said:
No, they are not recorded "double".
They are just in the headphone, and Im using 128ms buffer size
on Pro Tools settings, so latency is not a problem in this system.
Click to expand...

it's latency. I don't care what your settings are.
 
chrisharris said:
it's latency. I don't care what your settings are.
Click to expand...

It sounds like it might be some combination of direct hardware monitoring and low latency monitoring (that really isn't so low in the latency, otherwise you would just be hearing some phase problems) that is causing the doubling of the vocals.
 
chrisharris said:
it's latency. I don't care what your settings are.
Click to expand...
Well, according to Digidesign, HD systems dont have latency problem!
:eek:
 
filete said:
Well, according to Digidesign, HD systems dont have latency problem!
:eek:
Click to expand...

I've actually had this problem using a Mackie Digital X-bus, and ProTools HD. We were monitoring direct via the Mackie, and also via the ProTools hardware, and there was definitely a problem we encountered with Phase issues, so there is a slight delay with the HD system, but it shouldn't create a clear doubling of the sound like you are finding.
 
Yep, its latency....
I´ve just tested the same gear with Cubase SX3 with M-Audio 1814
and with that firewire interface you can use ASIO Direct Monitoring
button, so the signal passes direct to output.
Voice its clear, with nothing of that flanger effect!

But Pro Tools HD dont have any option for Direct Monitoring,
does it? What solutions? I guess I have to split the source somehow
to recording and monitoring at same time.
 
There must be some direct monitoring going on or you wouldn't hear the flange/double effect. If it was just latency from monitoring off the recorded track there would just be a delay. Have you tried muting the track you're recording too?
 
TexRoadkill said:
There must be some direct monitoring going on or you wouldn't hear the flange/double effect. If it was just latency from monitoring off the recorded track there would just be a delay. Have you tried muting the track you're recording too?
Click to expand...

Yes, but instead of muting the track I am recording, I was
able to routing the mic input direct to headphones, this way
it works because the signal does not pass thru Pro Tools mixer.

But this does not make me happy, because as always, I want
to use a sent submix on Pro Tools for monitoring, but I get latency,
a little but still annoying! :mad:

How about using a rack headphone amp, and routing the send submix to
his inputs would that help to get rid of the latency, or same thing happens
because the signal is still goint thru the computer?
I wonder...
 
Is the 128 buffer size not actually ms, but like Kb or something? If so, that only equals out to 3ms. If you can figure out how to mute the direct signal so you just hear the signal coming back through the PT submix, I really doubt you will be bothered by the slight latency. I think you should get the owner of the HD rig to give you a hand...
 
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