PART 1 -Definitions of video parameters
1 Waveform terminology
2 Definitions of signal
parameters
2.1
Nominal
impedance, Z0
2.2
Return
loss
2.3
Polarity
and d.c. component
2.4
Nominal signal amplitude
3 Definitions of
performance parameters
3.1
Insertion gain
3.2
Noise
3.2.1 Continuous random noise
3.2.2
Low-frequency
noise
3.2.3
Periodic noise
3.2.4 Impulsive noise
3.3
Non-linear distortion
3.3.1
Picture
signal
3.3.2
Synchronizing
signal
3.4
Linear
distortion
3.4.1 Waveform distortion of the luminance signal
3.4.2
Chrominance
waveform distortion
3.4.3
Chrominance-luminance
inequalities
PART 2 - Measurement methods and test signals
1 Introduction
2 Measurements of
equipment and signal characteristics of television equipment
2.1
Nominal
impedance
2.3
Non-useful
d.c. component
3 Measurements of
television equipment
3.1
Insertion gain
3.2
Noise
3.2.1 Continuous random noise
3.2.2
Low-frequency
noise
3.2.3
Periodic
noise
3.2.4 Impulsive noise
3.3
Non-linear distortion
3.3.1
Picture
signal
3.3.2
Synchronizing
signal
3.4
Linear
distortion
3.4.1
Waveform
distortion of the luminance signal
3.4.2
Chrominance-luminance
inequalities
3.4.3
Steady
state characteristics
Annex 1 -
Test signal elements
Annex 2 -
Design of filters used for measurements
1 Low-pass filter for use
in noise measurements
2 Combined high-pass,
low-pass filter ( fc = kHz)
3 Unified weighting
network for random noise
3.1
Network
configuration
3.2
Insertion
loss A
3.3
Noise
weighting factors in a 5 MHz band
4 Examples of
differentiating and shaping network for luminance non-linearity measurement
4.1
Non-constant
resistance form
4.2
Constant
resistance form
4.3
Step
response of staircase differentiating network
5 Thomson filter for use
in measurement of line-time waveform distortion
Annex 3 -
Methods of measurement using insertion test signals
1 Introduction
Annex 4 -
Short-time waveform distortion - The K-rating
method of assessment
1 Introduction
2 Routine-test method
2.1
2T
pulse response
2.2
2T
pulse/bar ratio
2.3
T pulse response
3 Acceptance-test
method