Отчет о тестировании в RightMark Audio Analyzer
| Тестируемое устройство | HDA-кодек Realtek ALC892 на плате Biostar TA75A+ |
| Режим работы | 16 бит, 44 кГц |
| Звуковой интерфейс | |
| Маршрут сигнала | Line-Out материнской платы - Line-In ESI Juli@ |
| Версия RMAA | 6.2.3 |
| Фильтр 20 Гц - 20 кГц | ДА |
| Нормализация сигнала | ДА |
| Изменение уровня | -4.0 дБ / -4.0 дБ |
| Режим МОНО | НЕТ |
| Частота сигнала калибрации, Гц | 1000 |
| Полярность | инвертированная/инвертированная |
Общие результаты
| Frequency response (from 40 Hz to 15 kHz), dB | +0.01, -0.07 |
Excellent |
| Noise level, dB (A) | -87.1 |
Good |
| Dynamic range, dB (A) | 86.9 |
Good |
| THD, % | 0.0035 |
Very good |
| THD + Noise, dB (A) | -77.5 |
Average |
| IMD + Noise, % | 0.016 |
Very good |
| Stereo crosstalk, dB | -86.4 |
Excellent |
| IMD at 10 kHz, % | 0.015 |
Very good |
| General performance | Very good |
Frequency response
| From 20 Hz to 20 kHz, dB | -0.66, +0.01 |
| From 40 Hz to 15 kHz, dB | -0.07, +0.01 |
Noise level
Left |
Right |
|
| RMS power, dB | -85.4 |
-85.6 |
| RMS power (A-weighted), dB | -87.0 |
-87.1 |
| Peak level, dB FS | -65.0 |
-63.7 |
| DC offset, % | -0.0 |
-0.0 |
Dynamic range
Left |
Right |
|
| Dynamic range, dB | +85.3 |
+85.4 |
| Dynamic range (A-weighted), dB | +86.8 |
+86.9 |
| DC offset, % | -0.00 |
-0.00 |
THD + Noise (at -3 dB FS)
Left |
Right |
|
| THD, % | +0.0035 |
+0.0035 |
| THD + Noise, % | +0.0149 |
+0.0146 |
| THD + Noise (A-weighted), % | +0.0134 |
+0.0134 |
Intermodulation distortion
Left |
Right |
|
| IMD + Noise, % | +0.0166 |
+0.0161 |
| IMD + Noise (A-weighted), % | +0.0137 |
+0.0134 |
Stereo crosstalk
Left |
Right |
|
| Crosstalk at 100 Hz, dB | -81 |
-82 |
| Crosstalk at 1000 Hz, dB | -86 |
-85 |
| Crosstalk at 10000 Hz, dB | -83 |
-83 |
IMD (swept tones)
Left |
Right |
|
| IMD + Noise at 5000 Hz, | 0.0151 |
0.0150 |
| IMD + Noise at 10000 Hz, | 0.0147 |
0.0147 |
| IMD + Noise at 15000 Hz, | 0.0152 |
0.0146 |
| Дополнительно |
|
