Auzentech X-Fi HomeTheater HD Review (Page 5 of 12)

Page 5 - 16-bit/48 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: -92.1, -92.1
RMS power (A-weighted), dB: -93.0, -93.0
Peak level, dB FS: -79.3, -79.3
DC offset, %: -0.0, -0.0

Dynamic range

Dynamic range, dB: +92.1. +92.0
Dynamic range (A-weighted), dB: +93.0, +92.9
DC offset, %: -0.00, -0.00

THD + Noise (at -3 dB FS)

THD, %: +0.0008, +0.0008
THD + Noise, %: +0.0050, +0.0050
THD + Noise (A-weighted), %: +0.0045, +0.0045

Intermodulation distortion

IMD + Noise, %: +0.0061, +0.0061
IMD + Noise (A-weighted), %: +0.0054, +0.0054

Stereo crosstalk

Crosstalk at 100 Hz, dB: -99, -97
Crosstalk at 1000 Hz, dB: -92, -91
Crosstalk at 10000 Hz, dB: -88, -88

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0066, 0.0064
IMD + Noise at 10000 Hz: 0.0064, 0.0065
IMD + Noise at 15000 Hz: 0.0067, 0.0064

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.03, -0.00 - Excellent
Noise level, dB (A): -93.0 - Very good
Dynamic range, dB (A): 93.0 - Very good
THD, %: 0.0008 - Excellent
THD + Noise, dB (A): -87.0 - Good
IMD + Noise, %: 0.0061 - Excellent
Stereo crosstalk, dB: -92.4 - Excellent
IMD at 10 kHz, %: 0.0065 - 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