20 compression standard interview questions and answers

          

Compression Standard interview questions and answers


1. What is file compression? Why is it necessary to compress files? - Compression Standard
2.What is lossless source coding? - Compression Standard
3.Explain instantaneous variable length codes. - Compression Standard
4.What is ‘unique decipherability’? - Compression Standard
5.Define basic concepts of Information theory. - Compression Standard
6.What are non-binary Hoffman Codes? - Compression Standard
7.What are the parameters that are used in silence compression? - Compression Standard
8.What is rate distortion theory? - Compression Standard
9.What are the three techniques used for lossless compression? - Compression Standard
10.Explain Sub Band Coding and Wavelet Based Compression - Compression Standard
11.What is Vector Quantization? Name the taxonomy of compression techniques. - Compression Standard
12.What is meant by companded quantization? - Compression Standard
13.What is a composite source model? What are prefix codes? - Compression Standard
14.What is meant by optimum prefix codes? - Compression Standard
15.What do you mean by forward adaptive quantization? - Compression Standard
16.What is Digram – Coding? - Compression Standard
17.What is offset in LZ77 approach? - Compression Standard
18.What is meant by progressive transmission? Define lossless channel. - Compression Standard
19.Define vocoders and what are the types channel vocoders. - Compression Standard
20.Give any two characteristics of a code. Name the two types of adaptive quantization. - Compression Standard


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