| Name | Format | Duration | Size | Date | |
|---|---|---|---|---|---|
| xnepa1n.wav | Waveform Audio File Format | 11s | 128KB | 1998-05-06 | |
| xnepa1w.wav | Waveform Audio File Format | 1s | 21KB | 1998-05-06 | |
| xnepa2n.wav | Waveform Audio File Format | 2s | 27KB | 1998-05-06 | |
| xnepa2w.wav | Waveform Audio File Format | 2s | 32KB | 1998-05-06 |