The ATC Labs Loudness Metering API is designed for precise real-time audio loudness measurement. This technology is beneficial in various areas, including FM broadcasting, digital audio broadcasting, audio normalization during playback, and audio mixing. It provides four different measurement modes.

• RMS based loudness measurement in dBFS.
• EBU R128 short term standard Loudness Measurement in dbLKFS.
• EBU R128 long term (or Integrated) standard Loudness Measurement in dbLKFS (two pass).
• Program loudness measurement in dBLKFS (two pass).

EBU R128 provides a consistent and clear approach to measuring loudness levels across various content types, including news, sports, advertisements, drama, music, promotions, and films. This standard aids professionals in developing reliable specifications for ingesting, producing, playing out, and distributing content across multiple platforms.

Loudness metering API can easily integrate in any software application or solution. ATC Labs real-time loudness meter is also available for measurement (refresh rate of 10Hz)