Topic 8 Multimedia Network Communication

Topic 8 Multimedia Network Communication

A222

​How is jitter different from delay?

Delay measures travel time and jitter measures packet arrival frequency. ​

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​Synchronization in a multimedia system refers to the temporal relations between media objects in a multimedia system

​Horizontal, Vertical, Color, Frame

Review Questions

Topic 8

Multiple Select

Three important aspects of multimedia network communication are:

• Quality of service

• Multimedia transmission

• Progressing overload

• Network performance

Multiple Choice

What is the second step to decide whether a network can carry multimedia traffic or not?

• Compare both parameters to decide if the network can carry multimedia data.

• Set of parameters is developed to state clearly what the application needs from the network.

• A similar set of parameters is developed to specify what the network can provide

Multiple Choice

Network Performance Parameters (NPPs) are the set of parameters to characterize a network’s performance.

• True

• False

Multiple Select

The four parameters of network performance are:

• Networking delay

• Error rate

• Delay variance

• Network protocol

• Throughput

Multiple Choice

The parameters of subjective image & sound quality belongs to ___________-oriented category.

• synchronization

• user

• cost

Multiple Choice

What is the parameter that belongs to all three QoS perspectives?

• Burstiness

• Voice Quality

• Error Rate

• Delay Jitter

Multiple Select

Which SAS factors belong to both audio and video?

• Lip-Synchronization

• Error Rate

• Delay

• Jitter

Multiple Choice

The most demanding multimedia network transmission involves image and video.

• False

• True

Multiple Choice

The number of packets corrupted per unit time refers to ___________.

• Bit error rate (BER)

• Packet error rate/cell error rate (PER/CER)

• Packet loss rate/cell loss rate (PLR/CLR)

Multiple Choice

What is delay variance?

• The overall capacity of any system to process its input and generate the required output.

• different packets experience different delays on the network.

• The time difference between the instant when a bit is injected into the network and the instant when it comes out of the network.

End of Review Questions

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