Uprezzing SD to HD will certainly decrease the quality.
Might want to try AE instead of Premiere.
After Effects CC: Detail-preserving Upscale | Adobe at IBC 2013 | Adobe TV
Uprezzing SD to HD will certainly decrease the quality.
Might want to try AE instead of Premiere.
After Effects CC: Detail-preserving Upscale | Adobe at IBC 2013 | Adobe TV