How to prepare the video component of the Diachronic Corpus of Political Speeches for multimodal analysis

The Diachronic Corpus of Political Speeches (DCPS) is a collection 1,500 full-length political speeches in English. It includes delivered countries where English an official language (the US, Britain, Canada, Ireland) by English-speaking politicians various settings from 1800 up to the present time. Enriched with semi-automatic morphosyntactic annotations and discourse-pragmatic manual annotations, DCPS designed achieve maximum representativeness balance for major national varieties time, preserve detailed metadata, enable corpus-based studies syntactic, semantic variation change on corpora. For given 1950 onwards, video-recordings original delivery are often retrievable online. This opens avenues research multimodal linguistics, which integration speech gesture construction meaning can include analyses recurrent gestures constructions. article discusses issues at stake preparing video-recorded component linguistic analysis, namely exploitability recordings, segmentation alignment transcriptions, annotation forms functions software ELAN quantity available data.