The "Ump Cam" was a small camera placed on the bill of the official's cap to bring the action closer to the television audience.
ðə "ˈʌmp kˈæm" wʌzɐ smˈɔːl kˈæmɹə plˈeɪst ɔnðə bˈɪl ʌvðɪ əfˈɪʃəlz kˈæp tə bɹˈɪŋ ðɪ ˈækʃən klˈoʊsɚ tə ðə tˈɛlᵻvˌɪʒən ˈɔːdiəns.