Auzentech X-Fi HomeTheater HD Review (Page 4 of 12)

Page 4 - 16-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: -91.8, -91.7
RMS power (A-weighted), dB: -92.8, -92.7
Peak level, dB FS: -79.3, -79.3
DC offset, %: -0.0, -0.0

Dynamic range

Dynamic range, dB: +91.6, +91.7
Dynamic range (A-weighted), dB: +92.6, +92.7
DC offset, %: -0.00, +0.00

THD + Noise (at -3 dB FS)

THD, %: +0.0008, +0.0009
THD + Noise, %: +0.0052, +0.0052
THD + Noise (A-weighted), %: +0.0046, +0.0046

Intermodulation distortion

IMD + Noise, %: +0.0064, +0.0063
IMD + Noise (A-weighted), %: +0.0057, +0.0056

Stereo crosstalk

Crosstalk at 100 Hz, dB: -99, -97
Crosstalk at 1000 Hz, dB: -93, -93
Crosstalk at 10000 Hz, dB: -87, -87

IMD (swept tones)

IMD + Noise at 5000 Hz: 0.0066, 0.0065
IMD + Noise at 10000 Hz: 0.0067, 0.0067
IMD + Noise at 15000 Hz: 0.0068, 0.0066

Test Summary:

Frequency response (from 40 Hz to 15 kHz), dB: +0.03, -0.00 - Excellent
Noise level, dB (A): -92.8 - Very good
Dynamic range, dB (A): 92.6 - Very good
THD, %: 0.0008 - Excellent
THD + Noise, dB (A): -86.7 - Good
IMD + Noise, %: 0.0063 - Excellent
Stereo crosstalk, dB: -93.7 - Excellent
IMD at 10 kHz, %: 0.0067 - 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