REVIEW: ViewSonic VX2268wm Part 10

The profile created in iColor describes the monitor very well. Deviations from values of more than one only arise for two grey tones as well as green and cyan. The remaining deviations are minimal. However, the contrast suffers considerably from the calibration.

Comparison of calibrated colour profile with sRGB standard

Calibrated	Goal	Measured
White point / Kelvin	6500	6493
Brightness / cd/m²	120	118
Black point / cd/m²	0,00	0,18
Contrast / x:1	Native	655
Gamma / average	sRGB (~2,2)	2,23

In order to give a first impression of the actual deviations in colour management software, we created relevant test patters in Adobe Photoshop, provided these with the respective profile of the working colour space (sRGB) and carried out measurements. Adobe (ACE) was used as CMM.

Naturally, we cannot draw a truly detailed picture with the limitation to primary and secondary colours. Thus, for example, undercoverages may not be noticeable at all if relevant hues which lie outside the monitor colour space are not present in the image viewed. Because of the relatively colourmetric rendering intent, losses do not arise due to the colour space compression carried out by the CMM.

The RGB correction curve of the graphics card after sRGB calibration. The closer the three coloured lines lie to the 45° axis, the fewer colours must be discarded by the graphics card and the more intact the colour gradients remain.

UGRA test

In order to test the monitor with regard to general requirements, we calibrated the 22-inch model to the UGRA criteria (5800 K, Gamma 1.8 and 120 cd/m²). Unfortunately, the Viewsonic VX2268wm does not pass the UGRA test because it cannot display sufficient grey levels after calibration (89.3 %).

The detailed UGRA-UDACT report for the software calibration can be downloaded as a PDF file.

Sound

The sound output is as thin as expected. The speakers are not exactly powerful with power output of two watts and all lower frequencies are missing. The performance offered is sufficient for the Windows system sounds and minor media such as Internet radio or MP3 playback. A clearly audible improvement comes about when the "SRS Premium Sound" software provided is installed. Speech output in films in particular improves acoustically.

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