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suppose that a continuous-time system is described by the impulse responsea compute the transfer function of the
suppose that a discrete-time system is specified by the transfer functioncompute and plota the step response of the
1 compare the number of bits transmitted for each pcm and dm sample if the maximum quantized value isa 12b 30c 502
1 what is the difference between dm and dpcm2 what is the problem with a speech signal that is compressed using the lpc
1 in jpeg explain why we need to round the result of division in the quantization step2 explain why the combination of
1 in dictionary coding if there are 60 characters in the message how many times is the loop in the compression
a compute and plot the impulse response of the systemb compute and plot the step response of the systemc compute and
discretize the continuous-time system with transfer function hs s 10 s with use of the bilinear tustin approximation
given the message aacccbccddab in which the probabilities of symbols are pa 050 pb 025 pc 0125 and pd 0125a encode
1 can h323 also be used for video2 given the following message find the compressed data using run-length
1 in internet telephony explain how a call from alice can be directed to bob when he could be either in his office or
1 in which situation a unicast session or a multicast session can feedback received from an rtcp packet about the
1 we discuss the use of sip in this chapter for audio is there any drawback to prevent using it for video2 assume two
1 does sip need to use the service of rtp explain2 we mentioned that sip is an application-layer program used to
1 assume an application program uses separate audio and video streams during an rtp session how many ssrcs and csrcs
1 are encoding and decoding of the multimedia data done by rtp explain2 assume an image is sent from the source to the
1 explain why rtp cannot be used as a transport-layer protocol without being run on the top of another transport-layer
1 what is the main difference between live audiovideo and real-time interactive audiovideo2 when we use audiovideo on
1 in multimedia communication assume a sender can encode an image using only jpeg encoding but the potential receiver
in the first approach to streaming stored audiovideo figure 2824 assume that we need to listen to a compressed song of
given an rtp packet with the first 8 hexadecimal digits as 8603213216 answer the following questionsa what is the
in a real-time multimedia communication assume we have one sender and ten receivers if the sender is sending multimedia
1 a program for encoding and decoding lzw compression2 a program for encoding and decoding arithmetic compression3 a
assume an image uses a palette of size 8 out of the table used by jpeg gif uses the same strategy but the size of the
1 in transform coding show that a receiver that receives an m matrix can create the original p matrix2 calculate the t