What does “AHDTV” mean?
ª - HD video taken from the decoded HD output of a set-top box (e.g. ª ª component, DVI, HDMI) must be tagged in dirname as AHDTV. Decoded ª ª output of PDTV or DSR sources is banned. Releases taken from a natively ª ª recorded transport stream shall be tagged as HDTV, PDTV, or DSR. ª ª - AHDTV captures must be done at the native format of the channel, e.g. ª ª 720p or 1080i. ª │ - Video taken from the decoded HD output of a set-top box (e.g. │ │ component, DVI, HDMI) may be used as a source; source must be tagged │ │ in dirname as AHDTV. Releases taken from a natively recorded transport │ │ stream shall be tagged as HDTV and do not dupe AHDTV releases. AHDTV │ │ releases do dupe HDTV. AHDTV captures must be done at the native format │ │ of the channel, i.e. 720p or 1080i. │
“The “A” in the “AHDTV” tag is for Analogue High Definition TeleVision, or in other words component cables. I see the intent to note it is not from the transport stream but that doesn’t make HDMI analogue you idiots.” [Source]
MOMENTUM is the first group to start tagging their releases with AHDTV. The.Ultimate.Fighter.Brazil.S01E04.720p.AHDTV.x264-MOMENTUM released on July 12, 2012 is the first release with AHDTV tagging.