One more thing to try: plug the unit in, turn up volume, have the computer be
shut down, then put on headphones or however you can hear the sound the
clearest/closes, and turn on the computer. What does the sound do as the
computer boots? If it doesn't start until later on during boot, when does it
start?
HTH, DJX
-----Original Message-----
From: ddots-l-bounce@xxxxxxxxxxxxx [mailto:ddots-l-bounce@xxxxxxxxxxxxx] On ;
Behalf Of Dave Hillebrandt
Sent: Saturday, June 25, 2016 9:29 AM
To: ddots-l@xxxxxxxxxxxxx
Subject: [ddots-l] Re: Accessibility Review for Focusrite Scarlett 2i2 Second
Generation
This is intel. didn't hear any difference when opening reasonably large file.
still want to try couple more things with moving it around. have found that
sometimes little things like that can make all the difference. trying different
usb cables even. Really appreciate the thoughts though and you have a great
amount of know-how so I learn plenty from hearing you with other people's
problems as well as just my own.
On 6/25/2016 8:31 AM, DJX wrote:
It's probably a a Pacific or most likely other off brand. Is this an Intel
machine, or AMD? I ask because some of their AMD machines have asus
motherboards which were known to have EMI issues, and of course, they blocked
the spectrum spread CPU option in BIOS, so you couldn't use that to help it
reduce it. Did you try the file idea yet?
DJX
-----Original Message-----
From: ddots-l-bounce@xxxxxxxxxxxxx
[mailto:ddots-l-bounce@xxxxxxxxxxxxx] On Behalf Of Dave Hillebrandt
Sent: Friday, June 24, 2016 11:11 PM
To: ddots-l@xxxxxxxxxxxxx
Subject: [ddots-l] Re: Accessibility Review for Focusrite Scarlett 2i2
Second Generation
The computer is an HP and very good idea about opening large files and
listening for a change. Really dont know what kind of power supply in there
but unfortunately, I bought this for my son who had it first so it has
already seen some wear, but it had windows seven so went for it.
nothing would surprise me for its power supply. forget which model of hp
pavillion but several years old now.
On 6/24/2016 10:59 PM, DJX wrote:
Hi Dave, then the issue you are describing is probably not hum, but it mightPLEASE READ THIS FOOTER AT LEAST ONCE!
certainly be interfearance from computer. Try this, when you hear the sound
you are describing, try opening a big file on your computer, or doing
something that will cause the drives to have to load data. Do you hear
changes in the sound as the drives are doing their thing? If you use the
CD-ROM, does the sound change? How about the level of the sound, does it
change? Does it get distorted, or the "helicopter" sound like it's speeding
up?
Is your computer a custom build or a shelf computer? Do you know what brand
power supply you have in there?
Regards, DJX
-----Original Message-----
From: ddots-l-bounce@xxxxxxxxxxxxx
[mailto:ddots-l-bounce@xxxxxxxxxxxxx] On Behalf Of Dave Hillebrandt
Sent: Friday, June 24, 2016 9:03 PM
To: ddots-l@xxxxxxxxxxxxx
Subject: [ddots-l] Re: Accessibility Review for Focusrite Scarlett
2i2 Second Generation
There is no stand alone supply with this model. No, the frequency of the
helecopter type sound doesn't change when turned up or down the input.
No, don't believe I have usb 3.0 3.1 on this machine. Its a few years old
and am sure in need upgrading.
On 6/24/2016 1:35 PM, DJX wrote:
Hi Dave, does the sound change as the volume is lowered or raised? Also,PLEASE READ THIS FOOTER AT LEAST ONCE!
any chance you can record the sound so we can have a listen? The problem
could be hum, but it could also be EMI being picked up by either the unit's
cicuits or the pre-amps themselves. Also, does this unit have the ability
to use a standalone power supply? I know the older ones did, if so, you
might want to try it in standalone mode with no usb plugged in, to check if
the sound is still present. If it is hum, it will probably still be there.
It should definitely still be there if it's a falt with the unit. But if
the noise goes away, then it can be interfearance with the computer or the
unit is picking things up from nearby. BTW, do you have USB3.0/3.1
products connect on that computer?
DJX
-----Original Message-----
From: ddots-l-bounce@xxxxxxxxxxxxx
[mailto:ddots-l-bounce@xxxxxxxxxxxxx] On Behalf Of Dave Hillebrandt
Sent: Friday, June 24, 2016 11:26 AM
To: ddots-l@xxxxxxxxxxxxx
Subject: [ddots-l] Re: Accessibility Review for Focusrite Scarlett
2i2 Second Generation
The sound is definitely coming from both the headset and regular
outputs. Tried a couple cables with same problem so far. I could
picture the fantom power section being the problem but hoping not.
These models are not very expensive, but also may not be worth the
bench fees if it is the unit itself. Unfortunately it could also be
in the computer and sure don't look forward to setting everything
back up again with sonar if thats the case. You got to do, what ya
got to do though. Thanks again for observations. Any tip could be
one I'm overlooking. Dave
On 6/24/2016 10:29 AM, Andre Jarreau wrote:
Sure Dave,PLEASE READ THIS FOOTER AT LEAST ONCE!
I think these signs are positive. If you jack into it with a guitar
phantom power is not used and may remain silent from hum. XLR cables
could possibly cause hum but my feeling is probably not the cable or
connectors. Still think trying different types of microphones,
condenser/diaphragm, to see the effect. Eliminate the possibilities and
you are left with the truth so to say.
Of course if the hum is only coming through the headset and not speakers
then an electrical fault could be in the headset to preamp circuitry. A
professional tech would have to look at this. Of course if new exchange
it.
Or better yet bring the unit back to where you purchased it and ask why to
the headsets hum? If hum is known to exist they would know the fix. Just
a thought.
Andre
-----Original Message-----
From: ddots-l-bounce@xxxxxxxxxxxxx
[mailto:ddots-l-bounce@xxxxxxxxxxxxx] On Behalf Of Dave Hillebrandt
Sent: Friday, June 24, 2016 4:50 AM
To: ddots-l@xxxxxxxxxxxxx
Subject: [ddots-l] Re: Accessibility Review for Focusrite Scarlett
2i2 Second Generation
Andre, thanks for all the suggestions and will definitely try all of them.
Am thinking a good chance is the xlr cable so have a few to try.
Am definitely not hearing this sound when using line in from my guitar so
now am thinking either the mic or cable going in. I'm also trying all the
different usb ports in event that one works better over the others.
Thanks again, Dave
On 6/23/2016 11:28 PM, Andre Jarreau wrote:
Guys, some thoughts.PLEASE READ THIS FOOTER AT LEAST ONCE!
If you have a two pronged plug. Try pulling it out flipping it over and
plugging it back in. This reverses the chassy ground and might help.
Also try another microphone. The mic could be going bad. Switch to a
regular diaphragm mic that does not require phantom power. If hum goes
away then It's may be a bad mic or possibly phantom power circuitry
related, or both. Any circuitry should be looked at by a professional.
Bring it to a pro or exchange it if it's new.
Another thing you can try is simply clean the USB plug and port with
denatured alcohol and a cotton swab. Swab the port gently, you don't
want to leave any fibers behind. While USB plug is still damp with
alcohol plug in and out several times quickly to assist cleaning metal
contact connections.
Last; fingerprint oils and many contaminents human hands come in contact
with are transmitted to the USB plug and on to the port if you touch the
metal contacts of the USB plug at all with your bare hand. Never touch
the metal contacts!!!
Hope this helps.
Andre.
-----Original Message-----
From: ddots-l-bounce@xxxxxxxxxxxxx
[mailto:ddots-l-bounce@xxxxxxxxxxxxx] On Behalf Of Chi Kim
Sent: Thursday, June 23, 2016 8:41 PM
To: ddots-l@xxxxxxxxxxxxx
Subject: [ddots-l] Re: Accessibility Review for Focusrite Scarlett
2i2 Second Generation
Hi Dave,
Like you said, it could be a grounding issue.
If you have a access to a laptop, use the audio interface with the
laptop running on battery without power.
Then don't plug in anything into the audio interface except
microphone, and listen with a headphone instead of speaker. If the
hum goes away, then it's most likely a electrical problem.
Chi
On 6/23/2016 6:57 PM, Dave Hillebrandt wrote:
Hello Chi, I've also found this interface to work very well and<
with sonar, you have access to more adjustments. However, I am
experiencing a problem as of late and wonder if you or anyone
else has ideas what it could be. This is ran through usb and when
listening to the monitor and using a mic with fantom power, I am
hearing a low frequency motor boat type sound on occasion. Not
sure if its the computer, the Scarlet or what. Doesn't always
happen when fresh reboot and most of the time its in there.
Decided to try different usb ports yesterday and didn't notice any real
difference.
suppose it could be in the power supply of the computer. Any
experience with this. otherwise, a great little product and like
it much better than the M-audio that I used and was totally
inaccessible. Like the knobs and switches. Dave
On 6/23/2016 3:53 PM, Chi Kim wrote:
Hi All,PLEASE READ THIS FOOTER AT LEAST ONCE!
Sorry for the cross posting, but I'm sure it'd be useful
information for people looking for a new audio interface.
I just bought a Scarlett 2i2 second generation, and played for a
day. I wanted to let you know what to expect in terms of
accessibility. Let's go from good news to bad news.
The hardware is 100% accessible. Everything is switches, knobs,
and a button.
On Mac side, there's nothing to install, it works out of the box.
There's an optional low latency driver. Even if you install the
optional driver, there's no software for control panel.
You set latency and sampling rate in your DAW. This is no
problem if you use Pro Tools and Logic, but if you use software
that doesn't let you adjust latency, this might be a problem.
One example would be the latest Garageband.
I might have missed, but I couldn't find where you can adjust
the latency outside DAW. I didn't see anything about it in the
manual either. This should be a problem for everyone, not just VI users.
On Windows, you have to install their driver, and unfortunately
the Asio panel is not accessible. Screen reader reads only
minimize and maximize, not even the title. I haven't tested, but
this might not be a problem if you use wdm or Asio4All.
If you need an affordable, simple, secondary audio interface, it
fits the bill. There you go.
Chi
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