To have good internal sound system is very important for new BH, good internal sound system consist of quality sound, good amp system, tweeters, proper tweeter point arrangement and installation. For external sound quality, we can easily evaluate the effectiveness from observation of respond of swiftlet though the sound test, which is common known and done by most of us, but for internal sound many people doubt on how to test the sound.
BHs that I build in recently two years I like to use two internal sounds system, which cost me very minor additional in wiring and labour at initial setup but no extra operation cost after. In order setup in such, you need to divide those tweeters into two groups, install each group with separate wire, you may use different colour of wire for identification then connect them into left and right channel of amplifier separately. Then using sound editing software to create an internal sound with two sound tracks on left and right channels, both tracks must be extended or cut into same duration suggested one hour.
From the sign of shit dropping, we can figure out bird likes which sound more and plan for what you should do next whether to replace the worse one or else. It serves as a method of evaluating internal sound for new BH, I also found that running two or more separate internal sounds is better than only one.
对新的燕屋，具备良好的内声音响系统是非常重要的，良好的内声音响系统包括音质，良好的播放系统，高音喇叭，喇叭位置安排和安装。对于外声的质量效果，我们可以很容易地透过声音测试从观察燕子反应来评估燕声品质效果，这也是大多数人常用的声音测试方法。但对于内部声音，很多人不懂如何测试声音质量效果。
我在最近两年里改造的燕屋，我喜欢用两个内部的声音系统，这将只是初始耗资非常小的额外喇叭线和安装酬劳，但之后就没有额外的运营成本。为了在这样的设置，你需要把喇叭分成两组，每组喇叭以不同喇叭线串联安装，您可以考虑使用不同的颜色的喇叭线以标识它们，然后分开连接到音响系统左右声道。然后用声音编辑软件制造一个有两个左右声道不同声音的内声，这两首左右声道必须延长或减短至同一长度，建议是一小时。
从燕子粪迹象，我们可以评估出鸟类喜欢哪一个内声然后规划下一步要做什么，是否更换较差的那个内声或其它。它除了是一个评估内声方法，我发现运行两个或更多的内部声音会比只有一个更好。
BHs that I build in recently two years I like to use two internal sounds system, which cost me very minor additional in wiring and labour at initial setup but no extra operation cost after. In order setup in such, you need to divide those tweeters into two groups, install each group with separate wire, you may use different colour of wire for identification then connect them into left and right channel of amplifier separately. Then using sound editing software to create an internal sound with two sound tracks on left and right channels, both tracks must be extended or cut into same duration suggested one hour.
From the sign of shit dropping, we can figure out bird likes which sound more and plan for what you should do next whether to replace the worse one or else. It serves as a method of evaluating internal sound for new BH, I also found that running two or more separate internal sounds is better than only one.
对新的燕屋，具备良好的内声音响系统是非常重要的，良好的内声音响系统包括音质，良好的播放系统，高音喇叭，喇叭位置安排和安装。对于外声的质量效果，我们可以很容易地透过声音测试从观察燕子反应来评估燕声品质效果，这也是大多数人常用的声音测试方法。但对于内部声音，很多人不懂如何测试声音质量效果。
我在最近两年里改造的燕屋，我喜欢用两个内部的声音系统，这将只是初始耗资非常小的额外喇叭线和安装酬劳，但之后就没有额外的运营成本。为了在这样的设置，你需要把喇叭分成两组，每组喇叭以不同喇叭线串联安装，您可以考虑使用不同的颜色的喇叭线以标识它们，然后分开连接到音响系统左右声道。然后用声音编辑软件制造一个有两个左右声道不同声音的内声，这两首左右声道必须延长或减短至同一长度，建议是一小时。
从燕子粪迹象，我们可以评估出鸟类喜欢哪一个内声然后规划下一步要做什么，是否更换较差的那个内声或其它。它除了是一个评估内声方法，我发现运行两个或更多的内部声音会比只有一个更好。
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