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Re: Using a sound card for measurement.

by "Mr.T" <MrT@[EMAIL PROTECTED] > May 15, 2008 at 10:12 PM

"Serge Auckland" <sergeauckland@[EMAIL PROTECTED]
> wrote in message
news:e5Gdne3kxpLFYLbVnZ2dnUVZ8vidnZ2d@[EMAIL PROTECTED]
> The ACER laptop was quite good enough for measurements, although I
preferred
> to use my Digigram VXPocket card as it has balanced analogue and digital
> I/O, albeit with only up to 48k sampling. Unfortunately the screen
failed
so
> I had to buy a new laptop as getting the screen replaced would have cost
the
> same as a new PC. My new HP laptop's internal audio card is appallingly
bad
> for both noise and distortion, although the frequency response is from
DC
to
> light (well almost!). It's so bad that I can't use it for audio other
than
> the occasional Internet radio or other non-critical application.
>
> I've been unimpressed with the external USB audio cards I've tried as
few
> have balanced I/O, and those that do don't take more than +4dBu for
0dBFS.
> The only exception I found was the Lexicon Lambda that would go to
+10dBu
> for 0dBFS like my VXPocket, but that had such poor distortion and noise
> figures that I returned it for refund. I then decided to keep my
Digigram
> card and reuse the ACER as new laptops don't have PCMCIA slots any more.
>
> I've removed the faulty screen and mounted the ACER laptop into a large
> briefcase, with an external screen mounted in the lid, and a large
> hard-drive underneath, and kept it purely for audio recoding and
editing.


Of course a simple 10dB attenuator would have been a lot easier and
smaller.
Then there are  number of firewire devices with balanced inputs up to
14dBu,
(and even a few USB devices if you look), but whatever works for you.

MrT.
 




 21 Posts in Topic:
Using a sound card for measurement.
Edmund <nomail@[EMAIL   2008-05-12 08:22:05 
Re: Using a sound card for measurement.
Don Pearce <nospam@[EM  2008-05-12 12:32:13 
Re: Using a sound card for measurement.
"Richard Crowley&quo  2008-05-12 05:34:19 
Re: Using a sound card for measurement.
"Serge Auckland"  2008-05-12 14:03:09 
Re: Using a sound card for measurement.
Edmund <nomail@[EMAIL   2008-05-12 18:18:17 
Re: Using a sound card for measurement.
"Richard Crowley&quo  2008-05-12 12:06:48 
Re: Using a sound card for measurement.
Edmund <nomail@[EMAIL   2008-05-12 18:20:17 
Re: Using a sound card for measurement.
Edmund <nomail@[EMAIL   2008-05-12 19:21:07 
Re: Using a sound card for measurement.
"Richard Crowley&quo  2008-05-12 13:03:12 
Re: Using a sound card for measurement.
"Mr.T" <MrT@  2008-05-14 21:08:36 
Re: Using a sound card for measurement.
"Serge Auckland"  2008-05-14 12:36:04 
Re: Using a sound card for measurement.
"Mr.T" <MrT@  2008-05-15 15:29:58 
Re: Using a sound card for measurement.
"Serge Auckland"  2008-05-15 10:07:30 
Re: Using a sound card for measurement.
"Mr.T" <MrT@  2008-05-15 22:12:27 
Re: Using a sound card for measurement.
"Arny Krueger"   2008-05-12 19:32:25 
Re: Using a sound card for measurement.
Chris Hornbeck <chrish  2008-05-12 23:43:08 
Re: Using a sound card for measurement.
Randy Yates <yates@[EM  2008-05-12 22:46:56 
Re: Using a sound card for measurement.
Randy Yates <yates@[EM  2008-05-12 22:52:57 
Re: Using a sound card for measurement.
nospam@[EMAIL PROTECTED]   2008-05-13 09:02:55 
Re: Using a sound card for measurement.
Randy Yates <yates@[EM  2008-05-13 12:33:20 
Re: Using a sound card for measurement.
nospam@[EMAIL PROTECTED]   2008-05-13 16:36:02 

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