| Name | Format | Duration | Size | Date | |
|---|---|---|---|---|---|
| 22 | Waveform Audio File Format | 0.02s | 290b | 1997-07-20 | |
| 23 | Waveform Audio File Format | 0.02s | 406b | 1997-07-20 | |
| 24 | Waveform Audio File Format | 0.03s | 2KB | 1997-07-20 | |
| 25 | Waveform Audio File Format | 0.07s | 13KB | 1997-07-20 | |
| 26 | Waveform Audio File Format | 1s | 40KB | 1997-07-20 | |
| 27 | Waveform Audio File Format | 1s | 38KB | 1997-07-20 |