"quality reduction" is correct and usable in written English.
You can use it to refer to a decrease in the quality of something, e.g. "The introduction of automation to the production process resulted in a quality reduction."
Based on our findings, quality reduction was statistically significant in all models.
Solutions with lower complexity are usually obtained at the expense of audio quality reduction.
No huge changes here: you sign-in, pick a video, and start watching over wi-fi or 3G, with obvious quality reduction with bad reception.
With Beamr, however, those photos can be shared with family and friends via email, Facebook, or Twitter, without image quality reduction.
Lodging is one of the major factors contributing to crop yield and quality reduction.
One further reason that causes quality reduction is the loss of information in the packets replaced by the steganogram.
It seems that cost reduction was carried out through quality reductions in physiotherapy instead of increasing productivity.
This also presumably has an impact on the financial incentives of firms in their effort to cut costs through quality reductions when prices are fixed.
The restoration of HJC correlates with the quality of reduction in acetabular fractures following open reduction and internal fixation.
Arthroscopically assisted DRF repair was shown to significantly improve the quality of reduction of the joint surface compared to fluoroscopically guided reduction [ 24].
There was common ground around key areas such as energy and fuel saving, carbon emission, air quality, waste reduction, water use and sustainable resource use.
