3.
a speech channel of telephone quality
4.
a sequence of 8-binary digits
5.
a minimum theoretical sampling frequency
6.
a voice channel occupying the range 300 Hz to 3. 4 kHz
7.
8-digits per sample value
8.
the sparking of a car ignition system
9.
the stream of the pulses with a repetition rate of 64 kHz
10.
the relationship of the true signal to the noise signal
11.
the signal received from a satellite
12.
the complete information about a particular message
13.
the shape of the transmitted signal
14.
the attenuation introduced by transmission path
3