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4 : 2019?? 9?? 2? 4 3. 19.08.30. ?본 TTC, ???? ?? ?? ??근?? ??? 3? ???? ?? ??문??? ??????????????????????? ?122???????議? ?? ??문??? https//www.ttc.or.jp/topics/20190830 ?본 TTC?? 8?? 29?? ???? ??122?? ????? ???????? ????? 3건?? ????? ????. ???? TTC ????? ? 895건?? ?? [??????JT-H870] ?????? ???? ?? ??????? ???? ?? Guideline for safe-listening devices systems ?? [??????JT-F921] ??? ?????????? ???? ??? ? ??? ?????? ????? ?? ????? Audio-based indoor and outdoor network navigation system for visually impaired ?? [??????JT-F930] ??????? ??? 릴???? ????? Multimedia Communication Relay Service ? 공??? ?? ??그?? ??? ? ????? ???? ???? ?? ???. ??그?? ?? 르면, ?? 3건?? ????? 모?? ITU SG16???? ?????? ????? ???? ???, ?? ITU-T ?? H.870, F.921, F.930?? ?? JT-H870?? WHO?? ITU???? 공???? ?????? ???방? ??????? ?? JT-F921?? ????? ?????? ???? ?????? ????? ???????? ???? ?? ?? ?? JT-F930?? ?????????????? WASLI ???? ????? ?? ???? ???? ?????? ???? ???? 릴???? ?????? ??구??? ??? *??? ??? https//www.ttc.or.jp/maedablog/20190830

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