N.Y. Jud. Law § 330

§ 330. Transcription of testimony by typists duly sworn. The\ntranscription of testimony taken by a stenographer may be effected by\nmeans of a dictating machine to be transcribed by a typist or typists\nduly authorized and appointed by the district attorney. Such typist or\ntypists shall make oath that they will keep secret all testimony so\ndictated to them for transcription.\n