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Introduction
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01.Tour & Design
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02.Blacks & Whites
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03.Color Accuracy
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04.Motion
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05.Viewing Effects
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06.Calibration
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07.Remote Control
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08.Connectivity
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09.Audio & Menus
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10.Formats & Media
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11.Power Consumption
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12.Vs Sony KDL46Z5100
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13.Vs Samsung LN40B650
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14.VS JVC LT42P300
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15.Conclusion
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16.Series Comparison
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17.Ratings & Specs
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18.Comments
Toshiba Regza 40XV645U
Previous: Page 4
MotionNext: Page 6
Calibration
Viewing Effects Summary
• Poor viewing angle
• Very reflective display
• Testing done with DisplayMate software
Viewing Angle (4.43)
The Toshiba Regza 40XV645U did not have a very imressive viewing angle, which we measured at 18 degrees from center. This is the point at which the television's contrast ratio falls below 50% of maximum. This is not uncommon amongst LCD televisions, but we've seen better from other LCD televisions, as you can see from our chart below where all three of our comparison televisions are LCDs. Plasma televisions tend to have far better viewing angle.
| Viewing Angle | |
 |
|
The result is that if you're sitting on a couch directly in front of the Toshiba Regza 40XV645U you probably won't run into a problem. But if you need a television for a large room where people are viewing the television from a wide range of angles you might want to consider another HDTV.
Reflectance (5.0)
The Toshiba Regza 40XV645U doesn't do a great job with reflectance, especially with dark scenes. We noticed obvious and significant streaking with lights we shined onto the screen, even when at an angle. When viewing a movie on the HDTV the lights were very distracting. This is one television where you'll want to watch in the dark or be very careful where you place the lights in your room.
Video Processing (4.0)
Like most HDTVs the Toshiba Regza 40XV645U offers various controls that are meant to help improve your viewing experience, especially with broadcast television. In this section we take a look at each of those and see if there is any effect.
| Setting | Claimed Function | Our Impression |
| ColorMaster | '...allows you to adjust standard colors.' | No change. |
| Dynalight | '...automatically strengthens the black coloring of dark areas in the video according to the level of darkness.' | No change. |
| Dynamic Contrast | '...detects changes in the picture quality that affect the appearance of your contrast settings and then automatically adjusts the video.' | Obvious change in contrast. |
| Static Gamma | '...allows you to adjust the levels of black in the picture.' | Obvious change in brightness. |
| MPEG NR | '...reduce visible interference caused by MPEG compression. | Visible decrease in noise. |
| DNR | '...enables you to 'soften' the screen representation of a weak signal to reduce the noise effect.' | Visible decrease in noise. |
| Resolution+ | '...allows you to adjust the levels for your desired picture settings and to get a sharp picture.' | No change. |
| Compare the Toshiba Regza 40XV645U to other HDTVs | |||||||
 |
 |
 |
|||||
| Sony KDL-46Z5100 46 inches |
Samsung LN40B650 40 inches |
JVC LT-42P300 42 inches |
|||||
Shop for the Toshiba 40XV645U
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