A&E HD is a 720p high definition simulcast of A&E that launched on September 4, 2006. It has found a home on many cable and satellite systems in Canada but was until recently rare in the U.S. However, A&E HD is in the process of becoming more widely available in the U.S., since Comcast, the largest US cable provider, is expanding the number of systems including A&E HD in its lineup in preparation of greater competition from HD satellite service. A&E HD is notable for being one of several cable networks stretching standard definition content horizontally to fill the display area of widescreen HDTVs, rather than preserving the original aspect ratio of 4:3.
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