Auzentech X-Fi Bravura Review (Page 8 of 12)

Page 8 - 24-bit/44.1 kHz Frequency Analysis

Frequency response

From 20 Hz to 20 kHz, dB: -0.38, +0.03
From 40 Hz to 15 kHz, dB: 0.22, +0.03

Noise level

RMS power, dB: -81.9, -82.0
RMS power (A-weighted), dB: -82.8, -83.0
Peak level, dB FS: -68.2, -68.2
DC offset, %: +0.3, +0.4

Dynamic range

Dynamic range, dB: +82.0, +81.9
Dynamic range (A-weighted), dB: +83.0, +82.9
DC offset, %: +0.35, +0.39

THD + Noise (at -3 dB FS)

THD, %: +0.0029, +0.0031
THD + Noise, %: +0.0171, +0.0173
THD + Noise (A-weighted), %: +0.0153, +0.0154

Intermodulation distortion

IMD + Noise, %: +0.0207, +0.0208
IMD + Noise (A-weighted), %: +0.0184, +0.01

Stereo crosstalk

Crosstalk at 100 Hz, dB: -85, -85
Crosstalk at 1000 Hz, dB: -82, -82
Crosstalk at 10000 Hz, dB: -76, -78

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0221, 0.0227
IMD + Noise at 10000 Hz: 0.0217, 0.0222
IMD + Noise at 15000 Hz: 0.0228, 0.0232

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.03, -0.22 - Very good
Noise level, dB (A): -82.9 - Good
Dynamic range, dB (A): 82.9 - Good
THD, %: 0.0030 - Excellent
THD + Noise, dB (A): -76.3 - Average
IMD + Noise, %: 0.021 - Good
Stereo crosstalk, dB: -83.0 - Very good
IMD at 10 kHz, %: 0.022 - Good
General performance: Good


Page Index
1. Introduction, Specifications, Bundle
2. A Closer Look - Hardware
3. A Closer Look - Software
4. 16-bit/44.1 kHz Frequency Analysis
5. 16-bit/48 kHz Frequency Analysis
6. 16-bit/96 kHz Frequency Analysis
7. 16-bit/192 kHz Frequency Analysis
8. 24-bit/44.1 kHz Frequency Analysis
9. 24-bit/48 kHz Frequency Analysis
10. 24-bit/96 kHz Frequency Analysis
11. 24-bit/192 kHz Frequency Analysis
12. Subjective Listening and Conclusion