Specifications

1-4A.32
Proprietary and Confidential
LPU SETUP DAB MODULATOR SCREENS
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Definition of
crambling Key
Range: 0 - 255
Legacy SNF Compliance:
Difference in insertion of padding bits for the Main Service Channel of a DAB
signal
HCAST1: insertion of padding bits takes place before Convolutional Coder.
HCAST2: Padding bits are added after the Convolutional Coder and puncturing
(= fully compliant to the ETSI-specifications)
In new DAB SFN-Networks HCAST 2 will be the correct setting