Sunday, December 28, 2014

HEVC interview

1) Why HEVC?

2) How 50% reduction in bit rate is achieved at same visual quality.

3) What is the tools added to HEVC.

4)Advantages of using large block size (Coding tree Unit)  when compared to macro block.

5)What are the intra prediction modes supported.(35 modes)

6) How motion compensation is different from H264 in HEVC .

7) What are the different transforms used in HEVC( DCT, DST)

8) Why and Where DST is used

9) What are sizes of the transforms in HEVC.

10) Advantages of using large transform size in HEVC.

11) Why deblocking is done at 8x8 edge in HEVC instead of 4x4 in h264.

12) Why SAO.What type of artifacts are removed using SAO

13) Gibbs Phenomenon.

14) What is transform Skip.

15) How Tiles are different are from Slices in HEVC.

16) How do tiles support Symmetric Multi Core Processing.(SMP)

17) Whats WPP in HEVC.

18) What are the limitations on WPP when used on SMP.

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