34866_04

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34866_04

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1972

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1970s era woman works with voice-print analysis paper

1970s

1970s era man works on voice-recognition system. He demonstrates with…

1970s

a woman records herself saying, "A bomb will go off at three o'clock" in…

1960s

Illustrates the Bell System's efforts to improve long distance…

1980s

Begins with CU of biblical text, male voice over narrates. Cuts to MCU of…