Auzentech X-Fi Bravura Review (Page 10 of 12)

Page 10 - 24-bit/96 kHz Frequency Analysis

Frequency response

From 20 Hz to 20 kHz, dB: -0.29, +0.02
From 40 Hz to 15 kHz, dB: -0.15, +0.02

Noise level

RMS power, dB: -91.1, -90.7
RMS power (A-weighted), dB: -92.3, -91.9
Peak level, dB FS: -73.7, -72.9
DC offset, %: +0.3, +0.4

Dynamic range

Dynamic range, dB: +91.0, +90.6
Dynamic range (A-weighted), dB: +92.3, +91.9
DC offset, %: +0.34, +0.39

THD + Noise (at -3 dB FS)

THD, %: +0.0030, +0.0036
THD + Noise, %: +0.0068, +0.0075
THD + Noise (A-weighted), %: +0.0064, +0.0071

Intermodulation distortion

IMD + Noise, %: +0.0080, +0.0087
IMD + Noise (A-weighted), %: +0.0069, +0.0074

Stereo crosstalk

Crosstalk at 100 Hz, dB: -87, -87
Crosstalk at 1000 Hz, dB: -88, -86
Crosstalk at 10000 Hz, dB: -76, -84

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0088, 0.0095
IMD + Noise at 10000 Hz: 0.0083, 0.0090
IMD + Noise at 15000 Hz: 0.0084, 0.0089

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.02, -0.15 - Very good
Noise level, dB (A): -92.1 - Very good
Dynamic range, dB (A): 92.1 - Very good
THD, %: 0.0033 - Very good
THD + Noise, dB (A): -83.4 - Good
IMD + Noise, %: 0.0083 - Very good
Stereo crosstalk, dB: -88.4 - Excellent
IMD at 10 kHz, %: 0.0088 - 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