Messter patents the Biophon synchronization methodJan 1, 1903Labels: Oskar Messter, BiophonT F ChapterBiophon
Gaumont Phonoscènes begin commercial releaseJan 1, 1905Labels: Gaumont, Phonosc nesSilentEraChronophone
Chronophone exhibition expands in Paris venuesJan 1, 1911Labels: Chronophone, Paris theatresChronophoneCAPS
Tri-Ergon begins development of sound-on-filmJan 1, 1919Labels: Tri-Ergon, Josef EnglTri ErgonGuinness
Dream Street tests Photokinema sound-on-discMay 2, 1921Labels: Dream Street, PhotokinemaAFI CatalogPhotokinema
Tri-Ergon holds landmark public sound-film screeningSep 17, 1922Labels: Tri-Ergon, Alhambra BerlinTri ErgonGuinness
De Forest premieres Phonofilm sound-on-film shortsApr 15, 1923Labels: Lee de, PhonofilmPhonofilmA Musical Monologue
Warner Bros. acquires Western Electric sound systemApr 1, 1925Labels: Warner Bros, VitaphoneVitaphoneDon Juan AFI
Don Juan premieres with Vitaphone music and effectsAug 6, 1926Labels: Don Juan, VitaphoneDon JuanAFI Catalog
Fox Movietone captures Lindbergh takeoff with soundMay 20, 1927Labels: Fox Movietone, Charles LindberghFox ArchivesSound film
Sunrise releases with Movietone score and effectsSep 23, 1927Labels: Sunrise, MovietoneSound film7th Heaven
The Jazz Singer premieres, accelerating industry conversionOct 6, 1927Labels: The Jazz, VitaphoneSmithsonianJazz SingerVitaphone