CBT CBT Signal Processing & Distribution

Question 1

What does SDI stand for in broadcast signal distribution?

Accepted Answer

Serial Digital Interface

Answer

Standard Digital Input

Answer

Synchronous Data Integration

Answer

Signal Distribution Infrastructure

Question 2

Which type of filter is used to remove frequencies above a specified cutoff frequency in a broadcast signal chain?

Accepted Answer

Low-pass filter

Answer

High-pass filter

Answer

Band-pass filter

Answer

Notch filter

Question 3

What is the purpose of a distribution amplifier (DA) in a broadcast facility?

Accepted Answer

To split and amplify a signal for multiple destinations without degradation

Answer

To encode video to compressed format

Answer

To convert analog signals to digital

Answer

To synchronize genlock across all equipment

Question 4

What impedance is standard for coaxial cables used in professional broadcast video?

Accepted Answer

75 ohms

Answer

50 ohms

Answer

110 ohms

Answer

300 ohms

Question 5

In digital broadcasting, what is the function of a multiplexer (MUX)?

Accepted Answer

To combine multiple signals onto a single transmission path

Answer

To reduce signal noise

Answer

To convert HDMI to SDI

Answer

To measure signal loudness

Question 6

What is 'genlock' in broadcast signal processing?

Accepted Answer

Synchronizing a video signal's timing to an external reference signal

Answer

A digital encryption standard for broadcast content

Answer

A method of locking audio levels to video frames

Answer

A type of error correction used in ATSC transmission