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AudioLeak is a 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
  • more...

What's New

Version 3.1.3:
  • Corrected issue where maximum of (L) or (R) was used instead of LKFS when normalizing files, if LKFS filter was selected
  • AudioLeak standard version now retains preferred filter setting across launches


Mac OS X 10.4 or later

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AudioLeak User Discussion

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macminicooper Member IconReview+2

Simply put, excellent program. The graph is beautiful and easy to read. You can even analize an audio file while logging a live audio input. Nice!

Reply1 reply
Version 1.1

Sounds faintly interesting, but unless it can do what iVolume can (make iTunes or whatever do better volume normalization on the fly), it doesn't seem terribly useful. Looking at a graph of volume level doesn't seem to serve a *purpose*.

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> 5 1


Current Version (3.x)


Downloads 6,826
Version Downloads 162
License Demo
Date 13 Jan 2013
Platform OS X / PPC 32 / Intel 32
Price $34.95
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