International Journal of Digital Multimedia Broadcasting / 2019 / Article / Tab 7

Research Article

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

Table 7

Summary stereo image scores: ACER low, ACER medium, and ACER high 192 (n=63). A score of 1 represents narrow and imprecise and a score of 5 represents wide and precise noise and distortions.

SongACER LowACER MedACER High
MeanSDMeanSDMeanSD

Uptown Funk3.331.153.501.033.111.06
Elastic Heart3.061.173.661.123.511.11
These Days3.151.153.451.033.351.16
Heroes (We Could Be)3.151.193.291.273.191.08
When the Beat Drops Out3.411.203.241.193.441.12
Dangerous3.281.163.551.043.361.09
GDFR3.731.073.741.033.831.00
Doing It3.501.153.501.203.341.08
Make Me Feel Better3.791.073.931.083.861.14
What Kind of Man3.271.173.351.073.561.02

Grand Mean3.371.153.521.113.461.09

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