The ester 2 evaluation campaign for the rich transcription of French radio broadcasts

This paper reports on the final results of the ESTER 2evaluation campaign held from 2007 to April 2009. The aim of this campaign was to evaluate automatic radio broadcasts rich transcription systems for the French language. The evaluation tasks were divided into three main categories: audio event detection and tracking (e.g., speech vs. music, speaker tracking), orthographic transcription, and information extraction. The paper describes the data provided for the campaign, the task definitions and evaluation protocols as well as the results. 1.