Research Article
An Objective Approach to Identify Spectral Distinctiveness for Hearing Impairment
Table 1
The recognition rates (%) of syllables with identified regions enhanced by (a) 3 dB, (b) 6 dB, (c) 9 dB, and (d) 12 dB.
(a) |
| Manipulated syllable | Target syllable | da | ga | ka | ba | pa | ta |
| da | — | 88 | 90 | 90 | 88 | 90 | ga | 92 | — | 94 | 84 | 86 | 88 | ka | 88 | 86 | — | 90 | 92 | 96 | ba | 96 | 96 | 90 | — | 92 | 92 | pa | 84 | 88 | 88 | 86 | — | 90 | ta | 90 | 90 | 88 | 86 | 88 | — |
|
|
(b) |
| Manipulated syllable | Target syllable | da | ga | ka | ba | pa | ta |
| da | — | 88 | 90 | 90 | 88 | 90 | ga | 94 | — | 94 | 92 | 96 | 88 | ka | 88 | 96 | — | 90 | 92 | 96 | ba | 96 | 96 | 90 | — | 92 | 94 | pa | 90 | 88 | 88 | 90 | — | 90 | ta | 96 | 90 | 88 | 90 | 88 | — |
|
|
(c) |
| Manipulated syllable | Target syllable | da | ga | ka | ba | pa | ta |
| da | — | 90 | 92 | 92 | 90 | 92 | ga | 94 | — | 94 | 92 | 96 | 92 | ka | 94 | 96 | — | 90 | 94 | 96 | ba | 96 | 96 | 90 | — | 94 | 94 | pa | 90 | 94 | 92 | 90 | — | 92 | ta | 96 | 90 | 94 | 90 | 94 | — |
|
|
(d) |
| Manipulated syllable | Target syllable | da | ga | ka | ba | pa | ta |
| da | — | 90 | 92 | 92 | 90 | 92 | ga | 94 | — | 94 | 92 | 96 | 92 | ka | 94 | 96 | — | 90 | 92 | 96 | ba | 96 | 96 | 92 | — | 92 | 94 | pa | 90 | 94 | 92 | 90 | — | 92 | ta | 96 | 90 | 94 | 90 | 94 | — |
|
|