Talk:Differential group delay
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The formula that is written doesn't mean anything to me. It seems to be a nonsense. -- yolojuil 31/10/2011
Possible duplication?
[edit]This could probably be merged with Group_delay_and_phase_delay#Group_delay_in_optics but that is itself up for merging. George Dishman (talk) 08:55, 18 August 2015 (UTC)