C-Media 8738

RightMark Audio Analyzer test

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


Frequency response (from 40 Hz to 15 kHz), dB: +0.47, -4.45Poor
Noise level, dB (A): -83.6Good
Dynamic range, dB (A): 81.3Good
THD, %: 0.038Good
IMD, %: 15.070Very poor
Stereo crosstalk, dB: -77.4Very good

General performance: Average

Frequency response

Spectrum graph

Frequency range Response
From 20 Hz to 20 kHz, dB-8.55, +0.47
From 40 Hz to 15 kHz, dB-4.45, +0.47

Noise level

Spectrum graph

Parameter Left Right
RMS power, dB:-80.6-80.9
RMS power (A-weighted), dB:-82.4-83.6
Peak level, dB FS:-67.5-67.4
DC offset, %:-0.07-0.02

Dynamic range

Spectrum graph

Parameter Left Right
Dynamic range, dB:+80.4+80.7
Dynamic range (A-weighted), dB:+81.3+82.1
DC offset, %:-0.07-0.02

THD + Noise (at -3 dB FS)

Spectrum graph

Parameter Left Right
THD, %:0.0380.072
THD + Noise, %:0.0900.111
THD + Noise (A-weighted), %:0.1050.140


Spectrum graph

Parameter Left Right
IMD + Noise, %:15.07015.195
THD + Noise (A-weighted), %:8.6768.700

Stereo crosstalk

Spectrum graph

Parameter L <- R L -> R
Crosstalk at 100 Hz, dB:-78-73
Crosstalk at 1 kHz, dB:-76-73
Crosstalk at 10 kHz, dB:-75-75

This report was generated by RightMark Audio Analyzer 4.0