Revision as of 18:18, 1 September 2009 view source Combuster (talk \| contribs) 1,490 edits →‎Common parts of the GTF formulas: #-elimination ← Older edit		Revision as of 18:26, 1 September 2009 view source Combuster (talk \| contribs) 1,490 edits →‎GTF Using resolution and refresh rate: #-elimination Newer edit →
Line 98: <tt> [[#H_PERIOD_ESTIMATE\|H_PERIOD_ESTIMATE]] = ( 1 / [[#V_FIELD_RATE_REQUIRED\|V_FIELD_RATE_REQUIRED]] - [[#MIN_V_SYNC_AND_BACK_PORCH\|MIN_V_SYNC_AND_BACK_PORCH]] / 1000000 ) :/ ( [[#V_LINES_RND\|V_LINES_RND]] + 2 * [[#TOP_MARGIN_LINES\|TOP_MARGIN_LINES]] + [[#MIN_PORCH_RND\|MIN_PORCH_RND]] + [[#INTERLACE\|INTERLACE]] ) * 1000000 [[#V_SYNC_AND_BACK_PORCH\|V_SYNC_AND_BACK_PORCH]] = ''ROUND'' ( [[#MIN_V_SYNC_AND_BACK_PORCH\|MIN_V_SYNC_AND_BACK_PORCH]] / [[#H_PERIOD_ESTIMATE\|H_PERIOD_ESTIMATE]] ) [[#V_BACK_PORCH\|V_BACK_PORCH]] = [[#V_SYNC_AND_BACK_PORCH\|V_SYNC_AND_BACK_PORCH]] - [[#V_SYNC_RND\|V_SYNC_RND]] [[#TOTAL_V_LINES\|TOTAL_V_LINES]] = [[#V_LINES_RND\|V_LINES_RND]] + :[[#TOP_MARGIN_LINES\|TOP_MARGIN_LINES]] + [[#BOTTOM_MARGIN_LINES\|BOTTOM_MARGIN_LINES]] + :[[#V_SYNC_AND_BACK_PORCH\|V_SYNC_AND_BACK_PORCH]] + [[#INTERLACE\|INTERLACE]] + [[#MIN_PORCH_RND\|MIN_PORCH_RND]] [[#V_FIELD_RATE_ESTIMATE\|V_FIELD_RATE_ESTIMATE]] = 1000000 / [[#H_PERIOD_ESTIMATE\|H_PERIOD_ESTIMATE]] / [[#TOTAL_V_LINES\|TOTAL_V_LINES]] [[#H_PERIOD\|H_PERIOD]] = [[#H_PERIOD_ESTIMATE\|H_PERIOD_ESTIMATE]] * [[#V_FIELD_RATE_ESTIMATE\|V_FIELD_RATE_ESTIMATE]] / [[#V_FIELD_RATE_REQUIRED\|V_FIELD_RATE_REQUIRED]] [[#V_FIELD_RATE\|V_FIELD_RATE]] = 1000000 / [[#H_PERIOD\|H_PERIOD]] / [[#TOTAL_V_LINES\|TOTAL_V_LINES]] '''if''' ( [[#INTERLACE_REQUIRED\|INTERLACE_REQUIRED]] == '''true''' ) {<br /> :[[#V_FRAME_RATE\|V_FRAME_RATE]] = [[#V_FIELD_RATE\|V_FIELD_RATE]] / 2<br /> } '''else''' {<br /> :[[#V_FRAME_RATE\|V_FRAME_RATE]] = [[#V_FIELD_RATE\|V_FIELD_RATE]]<br /> }<br /> [[#TOTAL_ACTIVE_PIXELS\|TOTAL_ACTIVE_PIXELS]] = [[#H_PIXELS_RND\|H_PIXELS_RND]] + [[#LEFT_MARGIN_PIXELS\|LEFT_MARGIN_PIXELS]] + [[#RIGHT_MARGIN_PIXELS\|RIGHT_MARGIN_PIXELS]] [[#IDEAL_DUTY_CYCLE\|IDEAL_DUTY_CYCLE]] = [[#C_PRIME\|C_PRIME]] - [[#M_PRIME\|M_PRIME]] * [[#H_PERIOD\|H_PERIOD]] / 1000 [[#H_BLANK_PIXELS\|H_BLANK_PIXELS]] = ( ''ROUND'' ( ::( [[#TOTAL_ACTIVE_PIXELS\|TOTAL_ACTIVE_PIXELS]] * [[#IDEAL_DUTY_CYCLE\|IDEAL_DUTY_CYCLE]] / ( 100 - [[#IDEAL_DUTY_CYCLE\|IDEAL_DUTY_CYCLE]] ) / ( 2 * [[#CELL_GRAN_RND\|CELL_GRAN_RND]] ) ) :) ) * 2 * [[#CELL_GRAN_RND\|CELL_GRAN_RND]] [[#H_TOTAL\|H_TOTAL]] = [[#TOTAL_ACTIVE_PIXELS\|TOTAL_ACTIVE_PIXELS]] + [[#H_BLANK_PIXELS\|H_BLANK_PIXELS]] [[#PIXEL_FREQ\|PIXEL_FREQ]] = [[#H_TOTAL\|H_TOTAL]] / [[#H_PERIOD\|H_PERIOD]] * 1000000 [[#H_FREQ\|H_FREQ]] = 1 / [[#H_PERIOD\|H_PERIOD]] </tt>

Video Signals And Timing: Difference between revisions