RMS metering in FabFilter Pro-C2 and Pro-L2 is K-weighted

Описание: Compared to foobar2000's built-in VU meter and the JSplitter implementation, the RMS metering in both FabFilter plugins are K-weighted (aka. the exact same frequency weighting as YT's "stable volume" feature and foo_loudness_peakmeter level detection-wise iirc), except for the K-system metering (K-12, K-14, and K-20 respectively) on Pro-L2:
   • RMS metering on @fabfilter Pro-L2 is unwei...   (which uses AES-17 RMS+3 definition instead of per-channel momentary LUFS)

BTW, if you wonder what the true peak meter on the right half of foobar2000's visualization below the VST visualization windows, that is my one creation made as a JSplitter script to practice porting my own WebAudio stuffs on CodePen into foobar2000, considering the Loudness Peakmeter currently doesn't have true peak bars display mode nor the graphs showing intersample peaks:
https://hydrogenaudio.org/index.php/topic,...

Song name: 1 minute of 20Hz-20kHz test tone (not a music content)
   • AudioSurf vs. test tone (sine sweep)   (my first AudioSurf vid)
   • 20 - 20,000 Hz Audio Sweep | Range of Huma...   (30 sec version, has "Stable Volume" feature currently available for this vid linked here)