Onboard Sound

RightMark Audio Analyzer test


Testing chain: External loopback (line-out - line-in)
Sampling mode: 16-bit, 44 kHz

On Board Sound from Sis PC100 MB




Summary

Frequency response (from 40 Hz to 15 kHz), dB: +0.60, -1.83Average
Noise level, dB (A): -68.5Average
Dynamic range, dB (A): 66.3Average
THD, %: 0.214Poor
IMD, %: 70.803Very poor
Stereo crosstalk, dB: -67.1Good

General performance: Average




Frequency response

Spectrum graph


Frequency range Response
From 20 Hz to 20 kHz, dB-3.69, +0.60
From 40 Hz to 15 kHz, dB-1.83, +0.60




Noise level

Spectrum graph


Parameter Left Right
RMS power, dB:-68.3-66.2
RMS power (A-weighted), dB:-68.5-66.3
Peak level, dB FS:-52.0-46.4
DC offset, %:-0.14-1.87




Dynamic range

Spectrum graph


Parameter Left Right
Dynamic range, dB:+67.9+66.1
Dynamic range (A-weighted), dB:+68.2+66.3
DC offset, %:-0.14-1.87




THD + Noise (at -3 dB FS)

Spectrum graph


Parameter Left Right
THD, %:0.2150.214
THD + Noise, %:4.1344.134
THD + Noise (A-weighted), %:4.3504.348




Intermodulation distortion

Spectrum graph


Parameter Left Right
IMD + Noise, %:70.80370.846
IMD + Noise (A-weighted), %:30.63330.621




Stereo crosstalk

Spectrum graph


Parameter L <- R L -> R
Crosstalk at 100 Hz, dB:-65-67
Crosstalk at 1 kHz, dB:-66-66
Crosstalk at 10 kHz, dB:-55-54

This report was generated by RightMark Audio Analyzer 5.0