monitor voice造句

Aftab said, referring to the government's super-secret National Security Agency which monitors voice and electronic communications outside the borders of the United States.
Difficulties in developing " word spotting " software that would allow computers to screen speech also have significantly limited Echelon's ability to monitor voice communications, he said.
On a worldwide level, the National Security Agency operates a satellite network called Echelon in cooperation with Britain, Canada, Australia and New Zealand that monitors voice and data communications.
In February, 2015 it was reported by The Intercept that the GCHQ had stolen the encryption keys ( Ki's ) used by Gemalto ( the manufacturer of 2 billion SIM cards annually ), enabling these intelligence agencies to monitor voice and data communications without the knowledge or approval of cellular network providers or judicial oversight.
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