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| 来源： | Freesound 前往原页面 查看译文 |
| 作者： | Spleencast |
| 许可： | CC-BY-NC 非商业署名许可协议 |
| 描述： | 22 January 2010 03:16h The pedestrian crossings in Dublin have a distinctive beep sound which is designed to assist people with hearing difficulties. A sensor detects the amount of ambient noise and raises and lowers the volume of the beep automatically. So even though the level changes in this recording sound like changes in microphone proximity, the microphones remained in the same place the whole time. Those level changes just reflect the varying amount of ambient noise. The rapidly repeating beeps indicate the green light for pedestrians to cross the road. This is take 1 of 8 from a recording made at the busy King Street junction, which as you can hear is still busy at stupid o'clock even on a weekday. The road is a bit wet from some light rain. Recorded with a Zoom H4n and builtin microphones, with included foam windscreen and homemade purple fluffball windscreen, mounted on the boom arm of a microphone stand with polyrubber foam insulating it from handling noise. |
| 标签： | beep crossing dublin electronic fieldrecording h4n ireland junction pedestrian road traffic zoom |
| 音频格式 | aiff |
| 声音时长 | 01:38 |
| 文件大小 | 16.5 MB |
| 比特率 | 1412 kbps |
| 采样率 | 44100 Hz |
| 位深度 | 16 bit |
| 声道 | 立体声 |