Assume strings of & to be transmitted for several seconds. a4’s a5’s (10,000 symbols/sec) Code from Code from (Min. Variance Code) Fig 3.2 Fig. 3.4 Generates 40,000 bps Generates 30,000 bps (store 18000 bps) (store 8000 bps) Assume string of to be transmitted for several secs. a2’s Generates 10,000 bps generates 20,000 bps (Make up a deficit of 12000 bps) (Make up a deficit of 2000 bps) Buffer design is simpler based on minimum variance Huffman Code. Variable bit rate Channel ai P (ai) a1 .2 a2 .4 a3 .2 a4 .1
Assume strings of a4’s & a5’s to be transmitted for several seconds. (10,000 symbols/sec) Code from Code from (Min. Variance Code) Fig 3.2 Fig. 3.4 Generates 40,000 bps Generates 30,000 bps (store 18000 bps) (store 8000 bps) Assume string of a2’s to be transmitted for several secs. Generates 10,000 bps generates 20,000 bps (Make up a deficit of 12000 bps) (Make up a deficit of 2000 bps) Buffer design is simpler based on minimum variance Huffman Code. Variable bit rate Channel ai P (ai) a1 .2 a2 .4 a3 .2 a4 .1
Entropynew.docx