Question

1. A mono audio signal has a bit rate (sampling rate times bits per sample) of 35 MB/sec. How many seconds of such audio can be stored on a CD of 700 MB?

2. An audio signal is sampled at a rate of 256 samples per second and 8 bits are assigned to each sample. Calculate the file size of 4 seconds of stereo audio.

3. Following is(are) advantages of digital audio as compared to analog audio

		duplication flexibility
		environmental noise reduction
		dynamic range adjustments
		all of the above

4. The Matlab command "hold" adds two dependent variables for the same independent variable and then plots the graph

True

False

Answer 1

There is a provision to solve only one question in one ask so please find the 1st