1 Scope and application
1.1 Scope
1.2 Application
1.2.1 User-to-user channels
1.2.2 Applicable configurations
1.2.3 Applicable interfaces – Video
1.2.4
Applicable interfaces – Audio
1.2.5 Applicable interfaces – Data
2
References
3
Terms and definitions
3.1 General terms
3.2 Framework of measurable parameters
4
Abbreviations
5
Temporal calculations for general communication media
5.1 Single channel calculations
5.2 Media frames
5.3 Synchronization calculations
6
Video measurements
6.1 Collecting video frames for measurements
6.1.1 Description of video frames
6.1.2 Video frames at composite interfaces
6.1.3 Video frames at digital component
interfaces
6.2 Mean square error methods of measurement for video
6.2.1 General
6.2.2 Calibrating the minimum distinguishable
difference between frames
6.2.3 Testing a sequence for distinguishable
differences
6.2.4 Categorizing active frames and repeated
frames
6.2.5 Testing for correspondence between frames
(matching frames)
6.2.6 Source sequence qualification for the
mean square error methods
6.2.7 Considerations for use of 3:2 pull-down
source sequences
6.2.8 Factors that influence measurement
accuracy and stability
6.3 In-frame time code methods of measurement for video
7
Audio measurements
7.1 Collecting audio frames for measurements
7.1.1 Description of audio frames
7.1.2 Analogue to digital conversion
7.1.3 Time stamp assignment
7.2 Delay measurement for audio
7.2.1
General
7.2.2 Signal preparation
7.2.3 Coarse stage
7.2.4 Fine stage
7.2.5 Combining coarse and fine stage results
8
Combined audio/video measurement considerations
8.1 Audio/video channel activity and synchronization measurements
8.2 Associating individual measurements
9
Data measurements
9.1 Collecting data frames for measurement
9.1.1 Considerations for defining data frames
9.1.2 Time stamp assignment
9.2 Delay measurement for data
9.2.1 Matching structured data
9.2.2 Matching unstructured bit streams
10 Timer stability and
synchronization requirements
10.1 Resolution
10.2 Accuracy and stability (allowable Time Interval Error)
10.3 Time setting error
Appendix I – Bibliography
Appendix II – Mathematical symbol and convention key