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