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6 limitations 1.7 list of abbreviations – DekTec DTC-300 StreamXpress User Manual

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DTC-300-SP – StreamXpress

USER MANUAL

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following modulations formats using the appropriate card: 8VSB, QAM A/B/C, DVB-T, DVB-T2,

ISDB-S, ISDB-T, DTMB, CMMB, DVB-S, DVB-S2(X) and DAB+.

SDI streaming

Using a USB or PCI/PCIe DekTec device supporting SDI outputs, StreamXpress can stream 1

pre-recorded SDI stream per SDI output port. For products that have software selectable

bidirectional ASI/SDI ports, use DtInfo for changing input ports into output ports.
NOTE: The SDI file format used by StreamXpress is proprietary to DekTec. It needs to be recorded

using DtGrabber+.

1.6 Limitations

The structure of the software and hardware brings with it a number of limitations. The main

limitations are listed below.

SDI

The SDI streams needs to be compliant to the DekTec SDI file

format and needs to be recorded by DekTec software and/or

hardware.

Conditional access

No real time encryption supported. If a file is encrypted,

StreamXpress will stream the file encrypted.

Multiplexing

Program remultiplexing is not supported. Only the total rate can be

increased from the original total transport rate to meet the channel

output requirements.

VBR

Only CBR Transport Streams are supported.

1.7 List of abbreviations

8PSK

8 Levels Phase Shifting

ACE

Active Constellation Extension

ADTB-T

Advanced Digital Television Broadcast-Terrestrial

ATSC

Advanced Television System Committee

ASI

Asynchronous Serial Interface

CATV

Cable Television

CBR

Constant Bit Rate

CDSD

Cable Delivery System Descriptor

CMMB

China Mobile Multimedia Broadcasting

COFDM

Coded Orthogonal Frequency Division Multiplexing

DAB

Digital Audio Broadcasting

DMB

Digital Multimedia Broadcasting