In a channel voice coder, the outputs of sixteen 20 Hz low pass filter – McqOptions

MCQOPTIONS

1.	In a channel voice coder, the outputs of sixteen 20 Hz low pass filters are sampled, multiplexed and A/D converted. If sampling is at 40 samples/second and 3 bits/sample represents each voltage sample, the bit rate is about
A.	1.9 k bits/sec
B.	0.95 k bits/sec
C.	3.8 k bits/sec
D.	7.6 k bits/sec
Answer» B. 0.95 k bits/sec

Discussion

No Comment Found

Related MCQs

<p>What about the stability of system in <img src="/_files/images/electronics-and-communication-engineering/signals-and-systems/19-326.png"></p>
<p>An energy signal has G(<i>f</i>) = 10. Its energy density spectrum is</p>
<p>The first geostationary satellite launched in 1965 was called</p>
<p>Rotation of a geosynchronous satellite means its</p>
<p>The present total cost per watt of power generation in geosynchronous orbit is nearly Rs.</p>
<p>For F<sub>1</sub> layer the maximum ionic density is 2.3 x 10<sup>4</sup> electrons per cc. The critical frequency for this layer will be</p>
<p>Which one of the following does represents the electric field lines for the TE<sub>02</sub> mode in the cross section of a hollow rectangular metallic waveguide?</p>
<p>Radiation intensity of a dipole depends strongly on frequency. If at a frequency <i>f</i>, the intensity of radiation is 'I'. Then at a frequency of <i>f</i>/2, the intensity will be</p>
<p>The input impedance of short-circuited line of length <i>l</i> where /4 < <i>l</i> < /2, is</p>
<p>A wave is propagated in a waveguide at frequency of 9 GHz and separation is 2 cm between walls find cut off wavelength for dominant mode.</p>