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And finally, the mainboard makes use of Realtek’s ALC880 AC’97 codec. It reproduces sound in the High-Definition Audio format, automatically detects devices attached to the audio connectors, and supports SPDIF connectors (the mainboard offers a coaxial output) and so on.
The parameters of this codec can be set up in the mainboard’s BIOS like shown below:
The results of my checking the audio section with RightMark AudioAnalyzer 5.5 are presented below:
Frequency response (from 40 Hz to 15 kHz), dB: | +0.24, -0.33 | Good |
Noise level, dB (A): | -86.8 | Good |
Dynamic range, dB (A): | 86.5 | Good |
THD, %: | 0.0072 | Very good |
IMD + Noise, %: | 0.022 | Good |
Stereo crosstalk, dB: | -86.1 | Excellent |
IMD at 10 kHz, %: | 0.153 | Average |
General performance: Good.
So, the voice of this mainboard sounds quite good.
