1.

Which of the following have the same quantisation step throughout the range?(a) linear(b) PCM(c) DPCM(d) ADPCMI have been asked this question in an interview for job.Origin of the question is Codecs in portion Interfacing to the Analog World of Embedded Systems

Answer»

Correct choice is (a) linear

The best I can EXPLAIN: The QUANTISATION step is same throughout the dynamic range in the linear codec and THUS any INCREASE in the analogue value increases the digital value, that is, the overall performance is linear.



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