Auzentech X-Fi HomeTheater HD Review (Page 7 of 12)

Page 7 - 16-bit/192 kHz Frequency Analysis

Frequency response

From 20 Hz to 20 kHz, dB: -0.08, +0.03
From 40 Hz to 15 kHz, dB: -0.08, +0.03

Noise level

RMS power, dB: -97.6, -97.6
RMS power (A-weighted), dB: -98.6, -98.5
Peak level, dB FS: -82.4, -79.4
DC offset, %: -0.0, -0.0

Dynamic range

Dynamic range, dB: +97.5, +97.6
Dynamic range (A-weighted), dB: +98.5, +98.5
DC offset, %: -0.00, -0.00

THD + Noise (at -3 dB FS)

THD, %: +0.0007, +0.0006
THD + Noise, %: +0.0027, +0.0027
THD + Noise (A-weighted), %: +0.0024, +0.0024

Intermodulation distortion

IMD + Noise, %: +0.0032, +0.0032
IMD + Noise (A-weighted), %: +0.0029, +0.0029

Stereo crosstalk

Crosstalk at 100 Hz, dB: -97, -94
Crosstalk at 1000 Hz, dB: -95, -95
Crosstalk at 10000 Hz, dB: -89, -89

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0034, 0.0035
IMD + Noise at 10000 Hz: 0.0035, 0.0034
IMD + Noise at 15000 Hz: 0.0034, 0.0035

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.03, -0.08 - Excellent
Noise level, dB (A): -98.5 - Excellent
Dynamic range, dB (A): 98.5 - Excellent
THD, %: 0.0007 - Excellent
THD + Noise, dB (A): -92.5 - Very good
IMD + Noise, %: 0.0032 - Excellent
Stereo crosstalk, dB: -96.1 - Excellent
IMD at 10 kHz, %: 0.0034 - Excellent
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