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7 dvb-c modulation settings, 8 dvb-h modulation settings – DekTec DTC-300 StreamXpress User Manual

Page 31

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DTC-300-SP – StreamXpress

USER MANUAL

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#5 Code Rate:
The DMB-T/H modulation offers multi code rate. StreamXpress supports 0.4, 0.6 and 0.8 code

rates.

#6 Frame Numbering:
Each DMB-T/H RF frame is sequentially numbered for missing frame and reordering tracking.

3.5.7 DVB-C Modulation settings

The user can select the DVB-C modulation and change its parameters. Every UHF/VHF DekTec

modulator is licensed to support DVB-C by default. DVB-C is also known as J.83 Annex A.

Variable

Type

Description

Details Diag

Modulation

Modes

Drop

down

Set what QAM mode the modulator will use

#1

1



#1 Modulation Modes:
There are 5 modulation modes defined by the DVB-C standard: 16-QAM, 32-QAM, 64-QAM, 128-

QAM and 256-QAM. 64-QAM and 256-QAM are the most popular modes.

3.5.8 DVB-H Modulation settings

The user can select the DVB-H modulation and change its parameters. Every UHF/VHF DekTec

modulator is licensed to support DVB-H by default. DVB-H is the standard used for handheld

devices.
NOTE: The DVB-H modulation share the same physical layer than the DVB-T modulation. DVB-H

modulators accept transport streams that only are composed of MPE (Multi-Protocol Encapsulation)

sections.

1