Ericsson AVP 1000 - Page 322

Advanced Video Processing and Networking
6-2
EN/LZT 790 0023/1 R16A
6.8.1 Non-seamless Modes (CBR, Low Delay, Mega Low Delay,
Compatibility, Ultra Low Delay or Stripe Refresh) .............................. 6-17
6.8.1.1 Constant Bit Rate (CBR) Mode (CE-x, CE-xA, CE-a and CE-
HEVC) .............................................................................................. 6-17
6.8.1.2 Low Delay Buffer Mode (CE-x, CE-xA, CE-a and CE-HEVC) ............ 6-18
6.8.1.3 Mega Low Delay Mode (CE-x, CE-xA, and CE-HEVC) ..................... 6-18
6.8.1.4 Compatibility Mode (CE-a J2K) ......................................................... 6-18
6.8.1.5 Ultra Low Delay Mode (CE-a J2K) .................................................... 6-18
6.8.1.6 Stripe Refresh (CE-x, CE-xA) ............................................................ 6-19
6.8.1.7 Stripe Refresh (+ Audio Encode) (CE-x, CE-xA) ............................... 6-19
6.8.1.8 Fixed Latency ................................................................................... 6-19
6.8.2 Typical Delay Performance ............................................................... 6-19
6.8.2.1 25/50 Hz ........................................................................................... 6-20
6.8.2.2 29.97/59.94 Hz.................................................................................. 6-21
6.8.3 Audio Compatibility in Low Delay, Mega Low Delay, Ultra Low
Delay and Compatibility Modes ......................................................... 6-22
6.9 VCM Audio Encoding Functionality ................................................... 6-22
6.9.1 Audio Input Interfaces ....................................................................... 6-23
6.9.2 HD-SDI Input .................................................................................... 6-24
6.9.3 SDI Input ........................................................................................... 6-24
6.9.4 Digital Input ....................................................................................... 6-24
6.9.5 Analogue Input (CE-xA) .................................................................... 6-25
6.10 Vertical Blanking Interval (VBI) and Ancillary (ANC) Data ................. 6-25
6.10.1 Ancillary Data .................................................................................... 6-25
6.10.1.1 Closed Captions ................................................................................ 6-25
6.10.1.2 Time Code ........................................................................................ 6-25
6.10.1.3 OP-47 ............................................................................................... 6-25
6.10.1.4 AFD .................................................................................................. 6-25
6.10.1.5 Generic ANC ..................................................................................... 6-26
6.10.2 VBI Data ........................................................................................... 6-26
6.10.2.1 VBI Lines .......................................................................................... 6-26
6.10.2.2 VBI Data ........................................................................................... 6-26
6.10.2.3 VBI Data on a Separate PID ............................................................. 6-26
6.10.2.4 Timing
............................................................................................... 6-26
List of Figures
Figure 6.1 Mapping of MPEG-2 TS Packets ........................................................ 6-5
Figure 6.2 Mapping of MPEG-2 TS Packets ........................................................ 6-6
Figure 6.3 Mapping of MPEG-2 TS Packets ........................................................ 6-7
Figure 6.4 Data Network Redundancy ................................................................. 6-8
Figure 6.5 CE VCM Functional Diagram ............................................................ 6-12
List of Tables
Table 6.1 IP Overhead ........................................................................................ 6-8
Table 6.2 VCM Compression Profiles and Levels ............................................. 6-13
Table 6.3 VCM Supported Profiles, Bit Rates and Modes ................................. 6-14
Table 6.4 Test Patterns .................................................................................... 6-16
Table 6.5 Impairment Reduction Details ........................................................... 6-17
Table 6.6 Low Delay 25/50 Hz .......................................................................... 6-20