Audigy 2: Input/ Output Quality, Continued
The 16 bit/ 44.1 kHz tests gave positive results, though not the same level of quality. This is because when the Audigy 2 resamples all the 44.1 kHz flow rates in 48 kHz, corresponding to the DSP's internal frequency, rates above 48 kHz do not get resampled. So here we have a paradox: the Audigy 2 produces near-perfect sound in 24 bit/ 96 kHz playback (i.e. DVD Audio), but is not as good in 16 bit/ 44.1 kHz playback (such as CD Audio).
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| Results Right Mark Audio Analyser | ||
|---|---|---|
| Frequency response (from 40 Hz to 15 kHz), dB: | +0.05, -0.17 | Very good |
| Noise level, dB (A): | -92.5 | Very good |
| Dynamic range, dB (A): | 87.3 | Good |
| THD, %: | 0.0018 | Excellent |
| IMD, %: | 1.393 | Poor |
| Stereo crosstalk, dB: | -85.1 | Excellent |
You can see the test results are generally positive, except for the intermodulation one. This is evidently due to resampling in 48 kHz.
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| Frequency range | Response |
|---|---|
| From 20 Hz to 20 kHz, dB | -1.79, +0.05 |
| From 40 Hz to 15 kHz, dB | -0.17, +0.05 |
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| Parameter | Left | Right |
|---|---|---|
| RMS power, dB: | -89.5 | -88.3 |
| RMS power (A-weighted), dB: | -92.5 | -91.1 |
| Peak level, dB FS: | -75.5 | -75.4 |
| DC offset, %: | 0 | 0 |
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| Parameter | Left | Right |
|---|---|---|
| Dynamic range, dB: | 86.3 | 85.4 |
| Dynamic range (A-weighted), dB: | 88.2 | 87.3 |
| DC offset, %: | 0 | 0 |
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| Parameter | Left | Right |
|---|---|---|
| THD, %: | 0.002 | 0.002 |
| THD + Noise, %: | 0.009 | 0.009 |
| THD + Noise (A-weighted), %: | 0.008 | 0.008 |
