Characteristic of multi pulse excited LPC

Q.  Multi pulse excited LPC includes

1. Multiple pulses per period
2. Minimization of weighted mean square error
3. Better speech quality
4. Pitch detection is not required

- Published on 18 Nov 15

a. 1 and 4 are correct
b. 1 and 3 are correct
c. 2 and 4 are correct
d. All four are correct

ANSWER: All four are correct

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