ɐtˈɛmpts æt dɪvˈɛləpɪŋ fˈɑːnəvˌɪʒən wɜːɹ ˌʌndɚtˈeɪkən ɪnðə lˈeɪt nˈaɪntiːnhˈʌndɹɪd twˈɛnti z ɪn lˈʌndən baɪ ɪts ɪnvˈɛntɚ, skˈɑːɾɪʃ tˈɛlᵻvˌɪʒən paɪənˈɪɹ dʒˈɑːn lˈoʊdʒi bˈɛɹd.
Attempts at developing Phonovision were undertaken in the late 1920s in London by its inventor, Scottish television pioneer John Logie Baird.