OConsider the two FEC schemes for VolP. Suppose the first scheme generates a redundant chunk for every four original chunks. Suppose the second scheme uses a low-bit rate encoding whose transmission rate is 25 percent of the transmission rate of the nominal stream.

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Challenges of VolP: Data Loss: Exercise
OConsider the two FEC schemes for VolP. Suppose the first scheme generates a
redundant chunk for every four original chunks. Suppose the second scheme
uses a low-bit rate encoding whose transmission rate is 25 percent of the
transmission rate of the nominal stream.
Da. How much additional bandwidth does each scheme require? How much
playback delay does each scheme add?
Ob. How do the tw
schemes perform if the first packet is lost in every group of
five packets? Which scheme will have better audio quality?
Oc. How do the two schemes perform if the first packet is lost in every group of
two packets? Which scheme will have better audio quality?
Transcribed Image Text:Challenges of VolP: Data Loss: Exercise OConsider the two FEC schemes for VolP. Suppose the first scheme generates a redundant chunk for every four original chunks. Suppose the second scheme uses a low-bit rate encoding whose transmission rate is 25 percent of the transmission rate of the nominal stream. Da. How much additional bandwidth does each scheme require? How much playback delay does each scheme add? Ob. How do the tw schemes perform if the first packet is lost in every group of five packets? Which scheme will have better audio quality? Oc. How do the two schemes perform if the first packet is lost in every group of two packets? Which scheme will have better audio quality?
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