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Performance in SpecraLAB

The second part of our today’s test session includes sound purity evaluation with the help of the SpectraLAB utility (version 4.32.17), which is none other but a FFT spectrum analyzer. This utility is shareware coming with a limited license for 30 days. You can download it from this site .

I explained the testing methodology in my previous articles, which you can find in our Multimedia section . During the tests I did my best to comply with Creative’s recommendations concerning sound card testing. The results below refer to the LineIn – LineOut1 circuit.

Here are the spectrograms for Creative SoundBlaster X-Fi Fatal1ty FPS:


44,100Hz/16bit


Determining IMD at 44,100Hz/16bit


48,000Hz/16bit


Determining IMD at 48,000Hz/16bit

For more information here is a side-by-side comparison against SoundBlaster Audigy 4 Pro:

 
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