Никогда не видела такого. Хотя вот, может ответ:Is Big D same as IMAX?AMC's website defines BigD as “a premium large screen format auditorium that offers dimensional sight, dynamic sound and deluxe seating.” For moviegoers looking to see “Oppenheimer” on larger screens but unable to get to IMAX, BigD is a unique option that provides larger screens than the traditional movie viewing .https://oanow.com/news/local/oppenheimer-imax-barbenheimer-bigd-movie-theater/article_836ee7e2-24d9-11ee-bbac-ab1cc133ad72.html