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 DROffline by MAAT Incorporated is a Standalone Application for macOS and Windows. It functions as a Standalone Application.
Product DROffline
Developer MAAT Incorporated
Price (MSRP)
Type / Tags Native Measurement
Plug-in, App & Soundware Format(s)
UtilityStand-alone utility / application
Operating System Availability
Download Released
Downloads Released
System Requirements
Windows 7 and newer, 32 & 64-bit
Downloads Released
System Requirements
MacOS 10.8 and newer, 64-bit
Miscellaneous Information
Copy ProtectionOnline Activation (Challenge / Response)
Important Note
10 second minimum audio file duration, LPCM files only

The DROffline batch measurement processor, is a faithful recreation of the legendary TT DR Offline Meter for modern computers. DROffline addresses an unfulfilled need for all engineers and audiophiles concerned with dynamic range issues.
Available for both macOS and Windows, DROffline offers two essential modes for evaluating DR dynamic range. Individual tracks or files can be measured, or entire directories representing an album's worth of tracks.
DR is a de facto standard created in 2009 to gauge the amount of dynamic range compression being applied to popular music. DROffline generates an official DR value, the only application that does. For audio engineers, DROffline is typically used in conjunction with the companion DRMeter plug–in, a real time gauge of dynamic density for preflight checks during mixing and mastering.

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Discussion: Active
4 July 2017 at 10:19pm

RMS is increasingly being replaced by LUFS - is there a way the DROffline meter could account for this?

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