25 July 2011, Download PDF File

The ATSC Recommended Practice A/85 is available for purchase in bound form from the ATSC Document Store.

This Recommended Practice provides guidance to broadcasters and creators of audio for high-definition (HD) or standard-definition (SD) television content. It recommendsproduction, 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.

A/85 French Translation

The French translation of ATSC Recommended Practice: Techniques for Establishing and Maintaining Audio Loudness for Digital Television (A/85) is provided as a convenience. The translation has not been approved by the ATSC. Implementers of the Recommended Practice are urged to confirm the details in the official version of A/85.

La traduction française de la Pratique recommandée par l’ATSC : Techniques d’établissement et de maintien de l’intensité sonore pour la télévision numérique (A/85) est offerte à des fins de courtoisie. La traduction n’a pas été approuvée par l’ATSC. Les responsables de la mise en œuvre de la Pratique recommandée doivent confirmer les détails de la version officielle de l’A/85.

Pratique recommandée par l’ATSC : Techniques d’établissement et de maintien de l’intensité sonore pour la télévision numérique. Download the document here.