Auzentech X-Fi HomeTheater HD Review (Page 8 of 12)

Page 8 - 24-bit/44.1 kHz Frequency Analysis

Frequency response

From 20 Hz to 20 kHz, dB: -0.05, +0.03
From 40 Hz to 15 kHz, dB: -0.00, +0.03

Noise level

RMS power, dB: -271.9, -400.0
RMS power (A-weighted), dB: -303.2, -400.0
Peak level, dB FS: -120.4, -400.0
DC offset, %: -0.0 +0.0

Dynamic range

Dynamic range, dB: +130.6, +130.6
Dynamic range (A-weighted), dB: +130.3, +130.3
DC offset, %: -0.00, -0.00

THD + Noise (at -3 dB FS)

THD, %: +0.0001, +0.0001
THD + Noise, %: +0.0001, +0.0001
THD + Noise (A-weighted), %: +0.0001, +0.0001

Intermodulation distortion

IMD + Noise, %: +0.0003, +0.0003
IMD + Noise (A-weighted), %: +0.0001, +0.0001

Stereo crosstalk

Crosstalk at 100 Hz, dB: -363, -261
Crosstalk at 1000 Hz, dB: -363, -268
Crosstalk at 10000 Hz, dB: -363, -289

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0001, 0.0001
IMD + Noise at 10000 Hz: 0.0001, 0.0001
IMD + Noise at 15000 Hz: 0.0001, 0.0001

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.03, -0.00 - Excellent
Noise level, dB (A): -351.6 - Excellent
Dynamic range, dB (A): 130.3 - Excellent
THD, %: 0.0001 - Excellent
THD + Noise, dB (A): -119.8 - Excellent
IMD + Noise, %: 0.0003 - Excellent
Stereo crosstalk, dB: -316.3 - Excellent
IMD at 10 kHz, %: 0.0001 - Excellent
General performance: Excellent


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