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Direction: Each of the question consist of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answer to these items using the codes given below:

Statement (I): Speech enhancement techniques are used to make a processed speech signal sound superior to the unprocessed one.
Statement (II): A ‘perfect signal’ is required as reference for speech enhancement

[ESE (IES) EC 2017 Technical]
A
B
C
D