DekTec DTC-382 TmmXpress - Manual (Page 8)

© 2013 - 2014 DekTec Digital Video BV Page 8/12 DTC-382 TmmXpress Manual
Essential Tools for Digital-TV Professionals April 2014
DTC-382 TmmXpress
7.3. General Parameters
This group of parameters allows you to specify the general ISDB-Tmm/T
SB
/T parameters.
Parameter Description
Bandwidth Reference channel bandwidth: 6, 7 or 8 MHz
Sub Channel Sub-channel number. For ISDB-Tmm this is the centre segment of the
connected ISDB-Tmm segments. This implicitly specifies the sub-
channel numbers of all 1-segment streams in the signal. The valid
range is 0 … 41.
RF Freq Carrier frequency of the RF signal
Guard itv Guard Interval length: 1/32, 1/16, 1/8 or 1/4
Mode Transmission mode: Mode1 (2k), Mode 2 (4k) or Mode 3 (8k)
Note: if one of the sources is using TMCC-information, guard interval and transmission mode are fixed.
7.4. Frame Information
This group shows information on the OFDM-frame structure.
If the ISDB-T parameter set is valid, this area displays the derived frame information.
Parameter Description
#Symbols The number of symbols per OFDM-frame
Duration The duration of one OFDM-frame in milliseconds
Sample rate The sample rate in Hertz