Research Article
Subjective Evaluation of Music Compressed with the ACER Codec Compared to AAC, MP3, and Uncompressed PCM
Table 2
Bit rates achieved for each combination of codec and song.
| | Song | Bit rate (kbps) | | WAV | MP3 | AAC | ACER High | ACER Med | ACER Low |
| | Uptown Funk | 1411 | 192 | 192 | 1174 | 1086 | 1023 | | Elastic Heart | 1411 | 192 | 192 | 1287 | 1174 | 896 | | These Days | 1411 | 192 | 192 | 1174 | 1063 | 965 | | Heroes (We Could Be) | 1411 | 192 | 192 | 1178 | 998 | 855 | | When the Beat Drops Out | 1411 | 192 | 192 | 1395 | 1348 | 1178 | | Dangerous | 1411 | 192 | 192 | 1244 | 1171 | 1153 | | GDFR | 1411 | 192 | 192 | 1081 | 1019 | 945 | | Doing It | 1411 | 192 | 192 | 1341 | 1184 | 1098 | | Make Me Feel Better | 1411 | 192 | 192 | 1060 | 901 | 813 | | What Kind of Man | 1411 | 192 | 192 | 1398 | 1356 | 1300 |
| | Mean bit rate (kbps): | 1233 | 1130 | 1023 |
| | Standard deviation bit rate (kbps): | 115 | 139 | 149 |
|
|
