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Updated

Test bench 1.1
Changelog

See previous 1.0 changelog.

Tests

Picture Quality

  • Added new test for 'Automatic Brightness Limiter' (ABL)
  • Changed peak brightness scoring curve to expand range to 4000 nit TVs
  • Changed color volume to use ICtCp color space
  • Changed black uniformity scoring curve to reduce scores
  • Changed local dimming scoring curve to penalize poor local dimming
  • Added contrast ratio with local dimming in contrast ratio score
  • Added black uniformity with local dimming in black uniformity score
  • Changed color accuracy scoring curve
  • Changed HDR peak brightness to score 0 for SDR TVs
  • Changed gradient scoring

Motion

  • Changed the way Response Time is calculated to better align with perception
  • Changed image flicker scoring, to penalize TVs when the flicker frequency isn't a multiple of the content frequency
  • Added a test for backlight level at which PWM dimming appears
  • Changed weighting of motion interpolation box (70% 30 fps interpolation, 30% 60 fps interpolation)

Sound

  • Changed target frequency response from 'flat in-room' to Harman Reference Listening Room's response
  • Added test for Dynamic Range Compression
  • Renamed 'Low-end Cutoff' to 'Low-Frequency Extension'
  • Added test for Intermodulation Distortion
  • Renamed 'Total Harmonic Distortion' box to 'Distortion' (due to the addition of Intermodulation Distortion)
  • Renamed 'Distortion @' to 'Weighted THD @'
  • Changed Weighted THD's weighting filter
  • Increased the weight of Frequency Response box from 67% to 75% of 'Sound'
  • Reduced the weight of Distortion box from 33% to 25% of 'Sound'
  • Added dynamic graphs

Smart Features

  • Added 'Remote App' box with common capabilities as text fields
  • Added 'Interface' box with fields such as ease of use and smoothness
  • Added fields to other smart features boxes, containing things that were previously often mentioned in the box text
  • Added subjective scores to five smart features boxes
  • Changed the smart features score from subjective to calculated from its new sub-scores

Usage ratings

  • Reduced significance of low quality sources (480p and 720p)
  • Added 'curved' as a bonus to PC monitor score
  • Added 'Color Volume' to HDR scores
  • Changed other usage weightings to better align with experience and feedback

Notable changes

  • PC Monitor score of OLED TVs (LG C7, Sony A1E) reduced due to image retention
  • HDR Movies score of IPS TVs (such as UJ7700 and Sony X800E) reduced significantly due to poor native contrast
  • TV Shows rating of Samsung high-end TVs (MU9000, Q7F, Q9F) increased due to excellent reflection handling
  • Movies and HDR movies scores of some TVs (LG SJ8500, Samsung Q7F) reduced due to poor local dimming

 

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Questions & Answers

3 ANSWERED QUESTIONS
21
How many TV reviews will be retro-actively scored based on this new model, if any?
All 2017 models are fully converted to the 1.1 Test bench, which means their reviews now reflect all the changes listed above. Reviews for 2016 and earlier TVs still use the older 1.0 Test bench on the review page. However, scores used in the comparison tables and the side by side tool have also been converted to the 1.1 test bench for 2016 and earlier TVs. These scores from older TVs are grayed out and marked with an asterisk (*) to indicate that they may be slightly less accurate than the scores for 2017 TVs.
2
Hi. I saw that you recently applied a new system on how you rate TVs. Will you be updating the scores for the 2016 OLED TVs? I currently have the C6 and was curious how the score would change. Thank you very much for all the help.
Unfortunately, we won't be updating previous models to the new test bench since we do not have them in our lab anymore and cannot retest them using new methodologies. You can see a converted score using our side by side tool, which while not perfectly accurate should give a good indication of how the TV would score on our new test bench.
1
Since the Sony Z9 was a 2016 model and a 2017 model would you by chance retesting it to the new standard
Since we tested the Sony Z9D in 2017 (even though it launched in 2016), it is part of the new test bench and its ratings are accurate to our current test bench.
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