Citation :
« Because the voice on the soundtrack [of Solidarity] emanates from an off-screen space, and because the field of view is confined within very narrow limits, the spectator becomes acutely aware of space beyond the edge of the frame. »
-- R. Bruce Elder

Source :
ELDER, R. Bruce. Image and Identity: Reflections on Canadian Film and Culture, Waterloo, Ont., Wilfrid Laurier University Press, 1989. [en anglais] (p. 260)