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Table 7 PEAQ test scores for 64-kbps MP3 enhancement.

From: Quality Enhancement of Compressed Audio Based on Statistical Conversion

  Rock Symphony Electronic Jazz Flute Violin Bass Piano Harp Drums
64 kbps MP3 −1.3 −1.8 −1.2 −1.5 −2.1 −1.5 −1.9 −1.2 −1.8 −1.6
96 kbps MP3 −0.2 −0.2 −0.2 −0.2 −0.5 −0.3 −0.5 −0.5 −0.6 −0.2
Enhanced −0.4 −0.3 −0.4 −0.4 −0.8 −0.5 −0.7 −0.6 −0.5 −0.4
  1. ODG scores for the 64-kbps MP3 enhancement scenario. The range is from −4 ("very annoying") to 0 ("imperceptible"). The reference is always the uncompressed file.