Mini-Disc Encode / Decode* vs. Source | Result | Correct | p less than | Listeners |
---|---|---|---|---|
Music | 118 / 213 = 55% | 0.066 | 15 | |
Multi-Frequency Test Signal (1075 + N * 750) | 14 / 14 = 100% | 0.0005 | 14 |
*Mini-Disc Encode/Decode was done with Sony's demonstration hardware for Mini-Disc mastering. |
The different symbol means it is unlikely the percent correct score occurred by chance and thus the null hypothesis was disproven, which substantiates a real difference in sound quality. | |
The same symbol means that it is likely the correct score occurred by chance, the null hypothesis is not rejected, which means no difference was found. It does remain possible a difference may be substantianted with further testing. |