WMA

RightMark Audio Analyzer test


Testing chain: digital codec test
Sampling mode: 16-bit, 48 kHz

Vegas 4.0 encode and decode WMA v.9 at 128k stereo




Summary

Frequency response (from 40 Hz to 15 kHz), dB: +0.07, -0.04 Excellent
Noise level, dB (A): -99.4 Excellent
Dynamic range, dB (A): 94.6 Very good
THD, %: 0.0020 Excellent
IMD, %: 0.023 Good
Stereo crosstalk, dB: -104.4 Excellent

General performance: Very good




Frequency response

Spectrum graph


Frequency range Response
From 20 Hz to 20 kHz, dB -72.28, +0.11
From 40 Hz to 15 kHz, dB -0.04, +0.07




Noise level

Spectrum graph


Parameter Left Right
RMS power, dB: -97.6 -97.7
RMS power (A-weighted), dB: -99.4 -99.4
Peak level, dB FS: -85.3 -85.3
DC offset, %: -0.00 -0.00




Dynamic range

Spectrum graph


Parameter Left Right
Dynamic range, dB: +94.1 +94.2
Dynamic range (A-weighted), dB: +94.6 +94.7
DC offset, %: -0.00 -0.00




THD + Noise (at -3 dB FS)

Spectrum graph


Parameter Left Right
THD, %: 0.002 0.002
THD + Noise, %: 0.025 0.025
THD + Noise (A-weighted), %: 0.030 0.030




Intermodulation distortion

Spectrum graph


Parameter Left Right
IMD + Noise, %: 0.023 0.023
IMD + Noise (A-weighted), %: 0.019 0.019




Stereo crosstalk

Crosstalk Spectrum

Spectrum graph


Parameter L <- R L -> R
Crosstalk at 100 Hz, dB: -107 -107
Crosstalk at 1 kHz, dB: -103 -103
Crosstalk at 10 kHz, dB: -95 -94

This report was generated by RightMark Audio Analyzer 5.3