10.10.2008 — Next Generation Home Products (NGHP) has earned DPL Certification on 10 of its Xtreme Series HDMI cables.

All NGHP HDMI cables earned a "3" or "4" rating (out of "5") in both Class B and Class C testing, which DPL says is its "most challenging" testing category.

The company's six-meter cable earned a "3" in both Class B and Class C. The one-meter HDMI cable received a "4" rating in both testing classes.

NGHP's cables were tested in Class B with 1080p resolutions, refresh rates of 60 Hz and 8-bit color depth. The company's Class C cables offer 1080p resolutions, refresh rates of 60 Hz and 16-bit color depth.

Here's a breakdown of the results.

NGHP Class B Ratings

Model	Length	Rating
Xtreme	1 meter	4
Xtreme	2 meter	3
Xtreme	3 meter	3
Xtreme	4 meter	3
Xtreme	6 meter	3

NGHP Class C Ratings

Model	Length	Rating
Xtreme	1 meter	4
Xtreme	2 meter	4
Xtreme	3 meter	3
Xtreme	4 meter	3
Xtreme	6 meter	3

DPL Labs has three testing classifications to track the performance of HDMI cables.

DPL Testing Classifications

Class	Resolution	Clock Speed	Refresh Rate	Color Depth
Class A	720p	74.25	60 Hz	8-Bit
Class A	1080i	74.25	30 Hz	8-Bit
Class B	1080p	165	60 Hz	8-Bit
Class B	720p/1080i	165	120 Hz	8-Bit
Class C	1080p	297	60 Hz	16-Bit Deep Color
Class C	720p/1080i	297	120 Hz	16-Bit Deep Color