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X/Y 90 Degrees
用兩隻心型指向性的麥克風成90度，這種錄法定位焦點最好
也適合在困難的環境中使用
缺點低頻不多
In this method, we take two cardioid microphones and place the capsules at a 90 degree angle to each other. In this technique, the microphone on the left is actually wired to the right channel, and vice versa, because of where they're pointing. This technique is considered by many to be the perfect way to get started in recording stereo.
With this technique, you'll get get a recording that's very focused, with a tight low-end response. You'll lose a little depth, but that's made up for in the lack of ambient information. This technique is best used if you're in a difficult-sounding room, and need to "zoom in" on the sound as best as possible.
When used with figure-8 (bidirectional) microphones, XY is called the Blumlein Technique.
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ORTF Technique
The ORTF technique - named after the Office de Radiodiffusion Télévision Française, where it was invented in the 1960s.
ORTF uses two cardioid microphones with the capsules spaced 17 centimeters, with the angle between the microphone bodies at 110 degrees. ORTF is similar to XY in that it's used well in poor acoustical enviroments, however, ORTF is well-suited for use further back in a room than XY. Using ORTF up close to a sound source could result in too much off-axis pickup.
ORTF is well-suited for concert taping when dead-center in the venue, whereas XY is best suited for stack taping.
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來源：Sennheiser
AB Stereo 有時間相位的問題
XY Stereo 有音量的問題
ORTF 有時間相位與音量的問題(折衷)
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The Following User Says Thank You to Leo Yeh For This Useful Post:
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來源 DPA
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The Following User Says Thank You to Leo Yeh For This Useful Post:
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能不能請tacan網友也傳授幾招？您有沒有特別常用的麥克風收音技術？還是隨場地和演奏的音樂形示決定？
我不是學這行的，純粹是好奇。如果有牽涉到業務機密，那就請您當我沒問過。謝謝！
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謝謝小葉，其實tacan網友的網站我也逛過幾次了. 的確很讚！
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他照相也很有Fu.....錄音作品也一定非常good....
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