Auzentech X-Fi Bravura Review (Page 6 of 12)

Page 6 - 16-bit/96 kHz Frequency Analysis

Frequency response

From 20 Hz to 20 kHz, dB: -0.28, +0.02
From 40 Hz to 15 kHz, dB: -0.15, +0.02

Noise level

RMS power, dB: -89.6, -89.2
RMS power (A-weighted), dB: -90.7, -90.2
Peak level, dB FS: -72.2, -71.9
DC offset, %: +0.3, +0.4

Dynamic range

Dynamic range, dB: +89.5, +89.1
Dynamic range (A-weighted), dB: +90.7, +90.3
DC offset, %: +0.34, +0.39

THD + Noise (at -3 dB FS)

THD, %: +0.0033, +0.0037
THD + Noise, %: +0.0079, +0.0083
THD + Noise (A-weighted), %: +0.0074, +0.0078

Intermodulation distortion

IMD + Noise, %: +0.0094, +0.0099
IMD + Noise (A-weighted), %: +0.0082, +0.0086

Stereo crosstalk

Crosstalk at 100 Hz, dB: -89, -85
Crosstalk at 1000 Hz, dB: -86, -88
Crosstalk at 10000 Hz, dB: -76, -82

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0099, 0.0109
IMD + Noise at 10000 Hz: 0.0093, 0.0101
IMD + Noise at 15000 Hz: 0.0097, 0.0102

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.02, -0.15 - Very good
Noise level, dB (A): -90.4 - Very good
Dynamic range, dB (A): 90.5 - Very good
THD, %: 0.0035 - Very good
THD + Noise, dB (A): -82.4 - Good
IMD + Noise, %: 0.0096 - Very good
Stereo crosstalk, dB: -87.7 - Excellent
IMD at 10 kHz, %: 0.010 - Very good
General performance: Very 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