International Journal of Digital Multimedia Broadcasting / 2019 / Article / Tab 6

Research Article

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

Table 6

Summary stereo image scores: WAV, MP3 192, and AAC 192 (n=63). A score of 1 represents narrow and imprecise and a score of 5 represents wide and precise noise and distortions.

SongWAVMP3 192AAC 192

Uptown Funk3.311.
Elastic Heart3.591.053.441.113.551.16
These Days3.321.
Heroes (We Could Be)
When the Beat Drops Out3.451.123.471.143.471.17
Doing It3.331.163.341.073.411.21
Make Me Feel Better3.861.003.851.103.751.12
What Kind of Man3.361.143.391.043.341.11

Grand Mean3.451.103.411.113.451.14

We are committed to sharing findings related to COVID-19 as quickly and safely as possible. Any author submitting a COVID-19 paper should notify us at to ensure their research is fast-tracked and made available on a preprint server as soon as possible. We will be providing unlimited waivers of publication charges for accepted articles related to COVID-19. Sign up here as a reviewer to help fast-track new submissions.