This ATSC Recommended Practice (RP) provides guidance to broadcasters and creators of audio for ATSC high-definition (HD) or standard definition (SD) television content. It recommends production, distribution, and transmission practices needed to provide the highest quality audio soundtracks to the digital television audience. This RP focuses on audio measurement, production, and postproduction monitoring techniques, and methods to effectively control loudness for content delivery or exchange. It
recommends methods to effectively control program-to-interstitial loudness, discusses metadata
systems and use, and describes modern dynamic range control. This RP also includes specific
information on loudness management at the boundaries of programs and interstitial content.