Table 4 Relationship between the ITU-R 5-grade scale and ODG[30]
From: Practical design of delta-sigma multiple description audio coding
Impairment | ITU-R 5-grade scale | ODG |
|---|---|---|
Imperceptible | 5.0 | 0.0 |
Perceptible but not annoying | 4.0 | -1.0 |
Slightly annoying | 3.0 | -2.0 |
Annoying | 2.0 | -3.0 |
Very annoying | 1.0 | -4.0 |