ComfyUI Node Runs on cloud

Audio Loudness

Measure a clip's integrated loudness in LUFS, its loudness range, true peak, peak and RMS levels, to check a mix against a delivery target. The node draws the figures and the loudness over time.

By WASasquatch·Created 4 years ago·Updated about 9 hours ago· 1,884
Audio Loudness
  • audio
  • integrated
  • range
  • true_peak
  • sample_peak
  • short_term_max
  • rms
  • summary
◄target-14.0►
CategoryWAS Suite/Audio

Inputs (2)

NameTypeDefaultDescription
audioAUDIOThe clip to measure. The first clip of a batch is measured.
targetFLOAT-14.0-70–0Loudness the meter compares against, in LUFS. -14 = streaming music; -16 = podcasts; -23 = broadcast. Drawn as a line on the graph.

Outputs (7)

NameTypeDescription
integratedFLOATIntegrated loudness in LUFS. -120 = silent.
rangeFLOATLoudness range in LU: 3 = flat and loud; 15 = dynamic.
true_peakFLOATHighest point between samples, in dBTP. Above -1 risks clipping once encoded.
sample_peakFLOATLoudest sample in dBFS. 0 = full scale.
short_term_maxFLOATLoudest 3 seconds, in LUFS.
rmsFLOATAverage level in dBFS.
summarySTRINGEvery figure on one line: `-14.2 LUFS, LRA 6.1 LU, -1.3 dBTP, peak -1.5 dBFS`.