Gmdss_e3 : Element 3 - 359/605
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| What is one way that voice is transmitted in a pulse-width modulation system? |
| A) A standard pulse is varied in amplitude by an amount depending on the voice waveform at that instant. |
| B) The position of a standard pulse is varied by an amount depending on the voice waveform at that instant. |
| C) A standard pulse is varied in duration by an amount depending on the voice waveform at that instant. |
| D) The number of standard pulses per second varies depending on the voice waveform at that instant. |
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