C-Media AC97 (ECS K7S5A V3.1)

RightMark Audio Analyzer test


Testing chain: External loopback (line-out - line-in)
Sampling mode: 16-bit, 48 kHz




Summary

Frequency response (from 40 Hz to 15 kHz), dB: +0.36, -2.48Average
Noise level, dB (A): -52.1Poor
Dynamic range, dB (A): 57.2Poor
THD, %: 0.308Poor
IMD, %: 0.404Poor
Stereo crosstalk, dB: -50.5Poor

General performance: Poor




Frequency response

Spectrum graph


Frequency range Response
From 20 Hz to 20 kHz, dB-4.09, +0.36
From 40 Hz to 15 kHz, dB-2.48, +0.36




Noise level

Spectrum graph


Parameter Left Right
RMS power, dB:-51.9-51.2
RMS power (A-weighted), dB:-52.1-51.4
Peak level, dB FS:-41.8-41.7
DC offset, %:-3.05-3.53




Dynamic range

Spectrum graph


Parameter Left Right
Dynamic range, dB:+56.7+56.3
Dynamic range (A-weighted), dB:+57.6+57.2
DC offset, %:-2.93-3.40




THD + Noise (at -3 dB FS)

Spectrum graph


Parameter Left Right
THD, %:0.3080.328
THD + Noise, %:0.3330.354
THD + Noise (A-weighted), %:0.2750.290




Intermodulation distortion

Spectrum graph


Parameter Left Right
IMD + Noise, %:0.4040.431
IMD + Noise (A-weighted), %:0.3150.332




Stereo crosstalk

Spectrum graph


Parameter L <- R L -> R
Crosstalk at 100 Hz, dB:-55-51
Crosstalk at 1 kHz, dB:-49-50
Crosstalk at 10 kHz, dB:-48-49

This report was generated by RightMark Audio Analyzer 5.3