International Journal of Digital Multimedia Broadcasting / 2019 / Article / Tab 4

Research Article

Subjective Evaluation of Music Compressed with the ACER Codec Compared to AAC, MP3, and Uncompressed PCM

Table 4

Summary noise and distortions scores: ACER low, ACER medium, and ACER high (n = 68). A score of 1 represents imperceptible noise and distortions and a score of 5 represents perceptible noise and distortions.

SongACER LowACER MedACER High
MeanSDMeanSDMeanSD

Uptown Funk2.531.422.571.232.861.29
Elastic Heart3.291.512.651.362.661.15
These Days2.891.452.451.242.691.37
Heroes (We Could Be)3.461.343.311.292.961.31
When the Beat Drops Out2.301.232.281.182.231.13
Dangerous3.291.362.731.352.771.38
GDFR2.391.192.361.272.431.32
Doing It2.851.392.771.342.801.29
Make Me Feel Better2.641.422.431.362.531.40
What Kind of Man2.681.332.581.352.461.33

Grand Mean2.831.362.611.302.641.30

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