[Lowfer] Sound card measurements (long)

[Peter Barick]

>>> lyle@mlecmn.net 11/19/03 12:30PM >>>
"
I tested three different sound cards by feeding the same 10 kHz signal
to
both left and right channels of the sound card's Line input, and
recording a
short .wav file in CoolEdit at a 48 kHz sampling rate.
"
...
"
Unfortunately the machines with the usable sound cards are too slow
for
software defined radio. So I "rescued" an old Yamaha OPL-3 ISA card
from a
"
## Particulars -- From the flex-radio site:
"
Supported PC Configurations
Operating System:  Windows 2000 or Windows XP
  (Note: some customers are using Windows 98 but is not factory
supported)
 
Processor:  Minimum 600MHz (more is better)
Memory:  Minimum 256MB RAM
Parallel Port: Standard port with 25-pin Cable
 
Supported Sound Cards (See Note Below)
 Turtle Beach Santa Cruz (PCI), SoundBlaster: Audigy (PCI), Extigy
(USB), and MP3+ (USB)
" 

##Again, Lyle:
"
NOTE:  A high quality sound card is required in order to achieve good
receiver performance.  Dynamic range and distortion 
...
The conclusion is that some sound cards will work with software
defined
radio, and some won't. And I don't know if price is any guide to
performance.
"

## Sounds exciting -- So who's tried one or will be the first to try
it?
Not having a 900MHz Pentium nor XP at home, I'll be waiting a bit
longer.

Peter