ABX Double Blind Comparator Test Results: Level Mismatch
SMWTMS ABX Test Results
| Level Difference | Result | Correct | p less than | Listeners |
|---|---|---|---|---|
| 0.4 dB (stereo pink noise) |  |
64 / 69 = 93% | 0.0005 | 5 |
| 0.3 dB (stereo pink noise) | |
61 / 80 = 76% | 0.0005 | 5 |
| The tests of level differences were done on a single AR-5 speaker in mono. |
|
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. |
Send questions or comments on the ABX Web Page to David Carlstrom.