Table 1 Audioability four-point rating scale.
Rating | Justification | Example |
|---|---|---|
0 | cannot make sound or be used to produce sound and cannot be represented by sound | "am" |
1 | can make sound or be used to produce sound, but cannot be represented by sound | "desk" |
2 | can make sound or be used to produce sound, and may be able to be represented by sound, meaning the sound could be ambiguous | "glass" |
3 | can make sound or be used to produce sound, and can be represented by sound, meaning the sound is distinctive | "dog" |