Audio Quality
Since we unfortunately did not have a chance to get our professional level recording audio card in time for this article, we are electing to only publish our numerical results. The images allow you to get the big picture and recognize “relative performance” differences at 16-bit 48-kHz.
Frequency Response
![Hercules Audio Roundup [ Frequency Response @ 512 x 319 ] > View Full-Size in another window.](images/04-s.png)
Frequency Response
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Noise Level
![Hercules Audio Roundup [ Noise Level @ 512 x 319 ] > View Full-Size in another window.](images/05-s.png)
Noise Level
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Dynamic Range
![Hercules Audio Roundup [ Dynamic Range @ 512 x 319 ] > View Full-Size in another window.](images/06-s.png)
Dynamic Range
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THD + Noise (-3 dB FS)
![Hercules Audio Roundup [ Total Harmonic Distortion @ 512 x 319 ] > View Full-Size in another window.](images/07-s.png)
Total Harmonic Distortion
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Intermodulation Distortion
![Hercules Audio Roundup [ Intermodulation Distortion @ 512 x 319 ] > View Full-Size in another window.](images/08-s.png)
Intermodulation Distortion
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Stereo Crosstalk
![Hercules Audio Roundup [ Stereo Crosstalk @ 512 x 319 ] > View Full-Size in another window.](images/09-s.png)
Stereo Crosstalk
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As expected, the more expensive Fortissimo III and DigiFire 7.1 outperform the Muse 5.1 DVD. The Muse 5.1 DVD does not have a very flat frequency response curve, however the deviation is for the most part minimal, less than 0.5 dB. At the higher frequencies, however, the Muse 5.1 DVD has significantly rolled off audio, making it a poor choice for any speakers with tweeters.
Audio Performance
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