What is frequency warping?
Q. The frequency warping is referred as
1) lower frequencies in analog domain expanded in digital domain
2) lower frequencies in digital domain expanded in analog domain
3) non linear mapping
4) compression of higher frequencies- Published on 27 Nov 15a. 1, 3 and 4 are correct
b. 2 and 4 are correct
c. 2 and 3 are correct
d. All the four are correct
ANSWER: 1, 3 and 4 are correct