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10 HDMI Cables from NGHP Receive DPL Certification
All tested HDMI cables received a "3" or "4" rating on a "1" to "5" scale.
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
NGHP Class C Ratings
DPL Labs has three testing classifications to track the performance of HDMI cables.
DPL Testing Classifications
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 |
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About the Author
Steve Crowe, Web Editor
Steve is an editor for cepro.com. He graduated from Emerson College with a B.A. in Journalism. He joined the CE Pro staff in 2008. Steve is also a freelance sports writer for The Boston Globe and other various publications.
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