Sony HDRC-4000 Operation Guide - Page 15
Normal mode, When converting from HD-SDI to 3G-SDI Level-A, VANC is
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Normal mode In this mode, when converting between HD-SDI and 3G-SDI Level-A/6G-SDI/12G-SDI (referred to as 3G-SDI Level-A), the VANC data for 3G-SDI Level-A always uses the same space, regardless of whether the HD-SDI field is field 1 or field 2. When converting from HD-SDI to 3G-SDI Level-A, VANC is mapped as shown in the following figure. HD-SDI Field 1 Line 9 Line 20 VANC1 Video space Line 572 Line 583 VANC2 Field 2 Video space When converting from 3G-SDI Level-A to HD-SDI, VANC is mapped as shown in the following figure. HD-SDI Field 1 Line 9 Line 20 VANC1 Video space Line 572 Line 583 VANC2 Field 2 Video space 3G-SDI Level-A VANC1 Line 9 Line 20 Line 41 Video space Frame VANC2 Line 9 Line 20 Line 41 Video space Frame 3G-SDI Level-A VANC1 Line 9 Line 20 Line 41 Video space Frame VANC2 Line 9 Line 20 Line 41 Video space Frame 15
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