Editor: AudioLeak allows quickly (over 200 times realtime on current Macs) and easily determining the relative (perceived) Playback volume of sound / music files (and real-time audio input). Displays average unweighted RMS, A-Weighted RMS, peak values, and more.
Leq (Long-term Equivalent Loudness Level) Analyzer for audio files / live audio input
Peak, Unweighted and A-Weighted RMS Leq (Table and Graph)
Accurate Conformity to A-Weighting standard
A-Weighting Supported Sample Rates: 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384 kHz
Analyze Audio Files of Any Length
Simultaneous, multithreaded file and live audio measurement
200x real-time or faster file analysis on newer Macs: one hour of audio takes just seconds to process
Quick and easy to use, includes all of the above plus illustrated User Guide
Optional (with activation code): ITU BS.1770 LKFS loudness estimation, Histograms, Automatic Normalization, unique "Firefly" audio input metering, more
Professional Version available: Batch file processing, Variable Integration Time, Logging, Automatic Analysis Saves, Live 5.1 Channel LKFS, more
Details included in documentation included with AudioLeak download.