Regarding the "dual audio" aspect, it seems you might be referring to the availability of the film with two audio tracks, possibly in different languages. The Tin Drum has been released in various formats over the years, including DVD and Blu-ray, some of which may offer dual audio or multiple language tracks.
If audio is out of sync:
Oskar sat in the dusty attic of a house in Danzig, his tin drum resting on his knees. To anyone else, he was a boy who had simply stopped growing at age three. To himself, he was a giant trapped in a world of small minds. the tin drum dual audio