NCast Presentation Recorder Reference Manual
8.3. Audio.............................................................................................................................................. 74
8.4. Advanced....................................................................................................................................... 75
8.5. Overlays......................................................................................................................................... 76
8.6. Previews(1/2)................................................................................................................................. 77
9. Viewer Interface and Media Players..................................................................................................... 78
9.1. View Stream................................................................................................................................... 78
9.2. VLC Media Player.......................................................................................................................... 79
9.3. Media Players................................................................................................................................ 80
9.4. Closed-Caption Support................................................................................................................. 80
10. Custom Layouts.................................................................................................................................. 83
10.1. Frame Layouts and Presets......................................................................................................... 83
11. Presentation Recorder Interfaces....................................................................................................... 89
11.1. Serial Interface............................................................................................................................. 89
11.2. Telnet Interface............................................................................................................................ 89
11.3. REST Interface – Archive Download............................................................................................90
11.4. REST Interface – Image and Thumbnail Capture........................................................................90
11.5. REST Interface – Graphics Overlay Upload.................................................................................90
11.6. REST Interface – Reference Manual...........................................................................................90
12. Theory of Operation............................................................................................................................ 91
12.1. Presentation Recorder Component Block Diagram .....................................................................91
12.2. Capture Module Function............................................................................................................. 91
12.3. Compression................................................................................................................................ 92
12.4. Transmission................................................................................................................................ 92
12.5. Decompression............................................................................................................................ 92
12.6. Display Function........................................................................................................................... 92
12.7. Audio Subsystem......................................................................................................................... 92
12.8. Archive Disk................................................................................................................................. 92
13. Techniques for Presentation Capture..............................................................................................93
13.1. Webcasting, Podcasting and Archiving........................................................................................93
13.2. Capturing Graphics, Video and Audio..........................................................................................93
13.3. Conference Day Problems and Issues.........................................................................................95
13.4. Video Post-Production.................................................................................................................. 96
14. Terms and Definitions....................................................................................................................... 100
14.1. Audio and Video Terms and Definitions.....................................................................................100
15. References....................................................................................................................................... 102
15.1. MPEG Compression.................................................................................................................. 102
15.2. Packet Transmission.................................................................................................................. 102
15.3. Multicast..................................................................................................................................... 102
16. Revision History................................................................................................................................ 103
NCast Corporation
Revision 1.0
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