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Instruction Manual: evolution 5000 E57xx DSNG and DENG Voyager Encoder Page 1-1
ST.TM.E10076.3
Chapter 1
1. Introduction to the Basic Encoder
Contents
1.1 Scope of this Manual................................................. 1-3
1.1.1 Who Should Use This Manual ...................... 1-3
1.1.2 Build Version.................................................1-3
1.1.3 What Equipment is Covered by This
Manual.......................................................... 1-3
Equipment Models........................................ 1-3
Information Label.......................................... 1-5
Hardware Configuration................................ 1-5
Build Revision............................................... 1-5
1.2 Role of the Encoder in a System............................... 1-5
1.2.1 Typical System ............................................. 1-5
1.2.2 DSNG Systems............................................. 1-6
Overview....................................................... 1-6
E5714 ........................................................... 1-7
E5740/E5760................................................ 1-7
1.2.3 DENG Systems............................................. 1-7
1.3 Summary of Features................................................1-8
1.3.1 Video Encoding.............................................1-8
MPEG-2 Encoding........................................ 1-8
Video Encoding Modes................................. 1-8
Video Inputs.................................................. 1-8
Video Input Types......................................... 1-8
Serial Digital Video Input Error Detection
and Handling (EDH)...................................... 1-8
Video Encoding Functions............................ 1-8
Motion Estimation.........................................1-9
Variable Video Bit-rate.................................. 1-9
Coding Resolutions....................................... 1-9
Internal Frame Synchroniser ...................... 1-10
Output on Video Loss.................................1-10
1.3.2 Audio Encoding...........................................1-10
General .......................................................1-10
Audio Inputs................................................1-11
Audio Channels...........................................1-11
MPEG Encoding Modes..............................1-11
Dolby Digital (AC-3) Encoding Modes.........1-11
Test Tones..................................................1-12
Audio Variable Bit-rate................................1-12
Dolby Digital (AC-3) ....................................1-12
1.3.3 Vertical Blanking Interval (VBI) Line
Processing Modes.......................................1-13
Introduction .................................................1-13
VBI in Picture ..............................................1-13
VBI User Data.............................................1-14
VBI in PID....................................................1-14
Teletext Extraction ......................................1-14
1.3.4 Data Channels ............................................1-14
1.3.5 Outputs........................................................1-15
1.3.6 IF Modulation ..............................................1-15
E5714..........................................................1-15
E5740..........................................................1-15
E5715/E5750 ..............................................1-15
1.3.7 Control and Monitoring................................1-15
1.3.8 Options and Upgrades ................................1-15
1.4 Guided Tour.............................................................1-16
1.4.1 Enclosure ....................................................1-16
1.4.2 The User Interface ......................................1-16
1.4.3 Front Panel Description...............................1-16
Front Panel Display, Navigation Keys,
Softkeys, Keyboard.....................................1-16
Power Supply Stand-by Switch...................1-17
1.4.4 Rear Panel Description ...............................1-17
Introduction .................................................1-17