adding sound to films 1 [vynechat] film production industry 1 [vynechat] filmová výroba 1 [vynechat] loudspeaker technology 1 [vynechat] ozvučenie filmu 1 [vynechat] ozvučovacia technika 1 [vynechat] post-production 1 [vynechat] postprodukcia 1 [vynechat] sound film 1 [vynechat] sound processing 1 [vynechat] sound technicians 1 [vynechat] spracovanie zvuku 1 [vynechat] zvukoví technici zvukový film 1 [vynechat]