During the early years of sound film he worked as a producer for Erich Pommer at Ufa then for different production companies in Germany, Austria and France directing a series of multilingual versions in German and French among those is Ihre Majestät die Liebe / Son altesse l'amour (1930) one of the best musical comedies of the Weimar Cinema.
dˈʊɹɹɪŋ ðɪ ˈɜːli jˈɪɹz ʌv sˈaʊnd fˈɪlm hiː wˈɜːkt æz ɐ pɹədˈuːsɚ fɔːɹ ˈɛɹɪtʃ pˈɑːmɚɹ æt jˈuːfə ðˈɛn fɔːɹ dˈɪfɹənt pɹədˈʌkʃən kˈʌmpəniz ɪn dʒˈɜːməni, ˈɔːstɹiə ænd fɹˈæns dᵻɹˈɛktɪŋ ɐ sˈɪɹiz ʌv mˌʌltɪlˈɪŋɡwəl vˈɜːʒənz ɪn dʒˈɜːmən ænd fɹˈɛntʃ ɐmˌʌŋ ðoʊz ɪz ˈaɪhɚ mɐdʒˈɛstɛt dˈaɪ lˈiːb slˈæʃ sˈʌn ˈɔːltɛs ˈɛlˈæmɚ nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi wˈʌn ʌvðə bˈɛst mjˈuːzɪkəl kˈɑːmədiz ʌvðə wˈaɪmɚ sˈɪnəmə.