10 Jan
2019
10 Jan
'19
11:54 a.m.
I don't have a USB3 port on my laptop and only use a Behringer UAC-202 on a laptop
USB2 port. There, Audacity records just fine.
I also have a powered USB2 hub. When I plugged the UAC into the hub, the input signal
level dropped by half plus there was noticeable power hum. Unplugging the hub's power
supply fixed the hum but not the signal level.
So it's possible the USB3 port and/or internal hub behind it has a flakey connection
somewhere. I think Ralf mentioned that.
But glad you can record. The only Presonus I have here is Firewire and we no longer have
anything with Firewire around.
On January 9, 2019 4:13:50 PM HST, Bob van der Poel <bob(a)mellowood.ca> wrote:
Hey, me again. Back at it ... same problems :) But, I
_think_ I
figured out
the problem ... it's the USB port. If I use the "easy to get at port",
I'm
using a USB3, and it creates the problem. If I use a harder to reach
port,
USB2, all works fine. Don't need to use pasuspender, don't need to
turn off
pulse audio ports, etc. Just run audacity and it all works.
To recap, I'm using a Presonus Audiobox USB connected to my PC and
running
Audacity to do some simple recording. The USB3 port gives me scrambled
recordings ... the USB2 port works fine.
So, do I have a bum port or is this normal?
On Thu, Dec 20, 2018 at 8:18 PM Bob van der Poel <bob(a)mellowood.ca>
wrote:
after
Audiobox
with a
That's interesting. I have a 3pin to 1/4 cable laying about. I'll give
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That is strange that modifying the PulseAudio settings first makes a
for me
difference.
All I have to go on is the man page for pasuspender, which states:
"pasuspender will suspend access to the audio devices"
Good to know that you figured out how to work around it.
Not saying that one really needs to do this ... just that it worked today. I've not had a chance to try it a 2nd
time, as they say "'tis
the
season to be weary", but I will next week
when things settle down a
bit.
> > Only one more issue is that I can't adjust the gain in audacity
for
the
> > mic.
>
> The interface only has hardware knobs to control gain, Audacity
will not
be able
to change the gain of the mic preamp.
I sort of figured that.
Or did you mean you wanted to change the gain of the recorded track
recording?
That's easy to do and works fine.
I don't recall if you mentioned what type of mic you use, the > only has a maximum gain of 35dB. Should be
more than enough for
close
> position on instruments with a condenser mic,
would not be enough
to
> record a small chamber group from mid
auditorium with ribbon mics.
For a
> mic relatively closely positioned to your
saxophone that should be
enough
gain
available.
I was doing my testing with a cheap dynamic. I'll have a go later condenser. I will want to use my ribbon for sax
recording, but at a
close
distance. So, it should be fine. And, if not, I
can always stick an
amp
(well, mixer) into the loop.
The instrument input actually has more gain available, up to 50dB,
so
> depending on what you need using the
unbalanced input might work
better.
that a go and see what happens. Would this effect
the quality of the
signal?
So much easier, for an acoustic guy like me, to not get involved in
all
this recording stuff :)
--
**** Listen to my FREE CD at http://www.mellowood.ca/music/cedars
****
Bob van der Poel ** Wynndel, British Columbia,
CANADA **
EMAIL: bob(a)mellowood.ca
WWW: http://www.mellowood.ca
--
**** Listen to my FREE CD at http://www.mellowood.ca/music/cedars ****
Bob van der Poel ** Wynndel, British Columbia, CANADA **
EMAIL: bob(a)mellowood.ca
WWW: http://www.mellowood.ca