Research Article
Environmental Sound Recognition Using Time-Frequency Intersection Patterns
Table 3
Results of recognition experiments for environmental sounds in the original database.
| Sound kind | First stage rate | Final recognition rate |
| Boll impact | 100% | 100% | Metal impact | 100% | 95% | Door opening/closing | 100% | 85% | Lock | 100% | 95% | Switch on/off | 100% | 100% | Typing | 100% | 75% | Repeated typing | 80% | 80% | Knock | 90% | 90% | Telephone ringing | 100% | 100% | Japanese vowels | 100% | 100% |
| Average | | 92.0% |
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