Voice-stress analyzers, including Truster, measure changes in voice frequency.
2.
Volunteers linked several key sites to pass text traffic via packet radio which kept voice frequencies clear.
3.
The MTSO then assigns the cell-phone caller a voice frequency or channel to use during a particular conversation.
4.
The primary HFGCS voice frequencies are 4724.0 kHz, 6739.0 kHz, 8992.0 kHz, 11175.0 kHz, 13200.0 kHz and 15016.0 kHz.
5.
As such, it should be able to accept ringing signals, go on-hook and off-hook, and send and receive voice frequency signals.
6.
The most egregious power-rating dodge is simply to state the power output at the middle-voice frequency of 1, 000 Hz, usually printed as 1 kHz.
7.
Long-distance cables had a resurgence beginning in 1956 with the laying of TAT-1 across the Atlantic ocean, the first voice frequency cable on this route.
8.
The two men insist their computer program, which measures changes in voice frequency, is 85 percent accurate in identifying stress that is indicative of a lie.
9.
And the communication is via VOIP digital instead of voice frequency analog, so upgrades to what your fixed phone can do will be a lot easier.
10.
In 1961 the radio system became a backup for the primary COMPAC undersea cable, with telegraph operations conducted using voice frequency telegraphy over telephone channels instead.
