Auzentech X-Fi Bravura Review (Page 4 of 12)

Page 4 - 16-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: -0.21, +0.03

Noise level

RMS power, dB: -81.5, -81.5
RMS power (A-weighted), dB: -82.5, -82.4
Peak level, dB FS: -67.5, -68.1
DC offset, %: +0.3, +0.4

Dynamic range

Dynamic range, dB: +81.6, +81.4
Dynamic range (A-weighted), dB: +82.6, +82.4
DC offset, %: +0.35, +0.39

THD + Noise (at -3 dB FS)

THD, %: +0.0030, +0.0030
THD + Noise, %: +0.0179, +0.0179
THD + Noise (A-weighted), %: +0.0159, +0.0160

Intermodulation distortion

IMD + Noise, %: +0.0218, +0.0219
IMD + Noise (A-weighted), %: +0.0195, +0.0195

Stereo crosstalk

Crosstalk at 100 Hz, dB: -85, -82
Crosstalk at 1000 Hz, dB: -82, -82
Crosstalk at 10000 Hz, dB: -76, -79

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0230, 0.0234
IMD + Noise at 10000 Hz: 0.0230, 0.0237
IMD + Noise at 15000 Hz: 0.0242, 0.0240

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.03, -0.21 - Very good
Noise level, dB (A): -82.5 - Good
Dynamic range, dB (A): 82.5 - Good
THD, %: 0.0030 - Very good
THD + Noise, dB (A): -75.9 - Average
IMD + Noise, %: 0.022 - Good
Stereo crosstalk, dB: -83.4 - Very good
IMD at 10 kHz, %: 0.024 - 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