. . . . . . . "Developing technologies for television captioning : benefits for the hearing impaired : hearing before the Subcommittee on Science, Research, and Technology of the Committee on Science and Technology, U.S. House of Representatives, Ninety-eighth Congress, first session, November 9, 1983"@en . . . . . . "Developing technologies for television captioning benefits for the hearing impaired : hearing before the Subcommittee on Science, Research, and Technology of the Committee on Science and Technology, U.S. House of Representatives, Ninety-eighth Congress, first session, November 9, 1983"@en . . . . . . .