The audio video alignment nightmare in audio compressed formats

Introduction Doing some research about automatic editing systems I have found strange timing behaviors in audio compressed streams and I wanted to take some measures, and here they are: Audio tests – Audacity Using Audacity  2.0.5 (free audio editor) I generated a test time line, see figure 1 After that I have exported the test timelineContinue reading “The audio video alignment nightmare in audio compressed formats”

Loudness meters [CAT]

These slides are part of a conference that we gave about loudness (link). Different views of loudness were explained in that conference: Introduction by Llorenç Gómez (TVC) Standards by Josep Ramon Casas (UPC) Loudness meters by Jordi Cenzano (8TV) Loudness in production chain by Emili Planas (Mediapro) The conference was organized by Consell del AudiovisualContinue reading “Loudness meters [CAT]”

Design and implementation of a loudness monitoring system – MERIT master thesis

This paper was created in 07/2013 as MERIT master thesis (from UPC university). The main objective is to explore the normalization of audio levels in the media industry, which is a relevant issue nowadays. Many broadcast organizations around the world are concerned about this problem and they have published many papers and standards that are analyzed in this project, some of thoseContinue reading “Design and implementation of a loudness monitoring system – MERIT master thesis”