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| 来源： | Freesound 前往原页面 查看译文 |
| 作者： | guitarguy1985 |
| 许可： | CC0 公众共享许可协议 |
| 描述： | American Signal T128 and Federal Signal 2001 siren sounding in attack mode. These sirens are normally sounded in a steady tone for tornado warnings, but this rising and falling tone would be used for civil emergencies like an air raid or other attack on the city. |
| 标签： | siren outdoorwarning emergency airraid sirens |
| 音频格式 | wav |
| 声音时长 | 01:10 |
| 文件大小 | 11.8 MB |
| 比特率 | 1411 kbps |
| 采样率 | 44100 Hz |
| 位深度 | 16 bit |
| 声道 | 立体声 |