메뉴 혜택 채팅/상담 나의 정보 최근 본 제품 In 1941, the Allies made a voice encryption system referred to as SIGSALY which applied a vocoder to digitize speech, then encrypted the speech with 1-time pad and encoded the digital data as tones utilizing frequency shift keying. This was also a https://bookmarktiger.com/story18503726/rumored-buzz-on-tv