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                                                | ι  ϴ 
 ƴϴ  ʰ   ų  ִ ڽŸ  ִٰ Ѵ. Ϲ     ϴ  ι  ս ȭ  ִ  ˾ƺ.
 
 ó϶
 
 "پ ڷ" Ӵ ִ. ̾߱⸦ ְ  ڸ  ʿ ɾ ֱ⸸ ϴ   ´ ε,   ϴ  ƴϴ.
 
   ƴ ǹ پ ڷ   Ʈ 50 .  ̰  ̴.       Ű  Ǵ  "̺" ""  ̴.
 
 ȯ ̺ϸ,  â Ŀư ġ ε ũ ̰ .  ̽ Ŀư  , ߿ 2Hz , ܿ β Ŀư̸ 16kHz 125Hz .  ٴڿ ī  ︲  .
 
 ÷ ڵ Ŀ        پ ȴ. ȯ濡       ,  ȣμ ״ ѱ   ̴.
 
 ϰ ġ ʰ 鸰ٸ  ֹ ֺ ȯ ̶   Ʋ. ⼭ Ű  ϴ    κп Ͼ ι (Booming Effect)̴.
 
 Ư  Ʈ źźϰ   Žǿ ι  Ͼ  ̴. ι     ȣ û Ʈ     . Ƹ߾          "غ"Ÿ  Ϳ Žٴ    ִ.
 
 ̷ ʿ    ٷ ι ε, ̰ Ƴ Ⱑ ٷ "پ ڷ" ̴.
 
 پ ڷ縦 ġ ڸ 翬  ڳʴ.  ڳʿ ι  ϴ   ٷ  мε, Ư ֱٿ ͼ  ָ ް ִ. ⺻ پ ڷ  ƴ λ ڷ ̴̻.
 
 м ⺻ ڷʹ   ٸ.  25~28mm, ̰ 1~1. 5mm ū ó  ڷ ӿ Ұ ,    縦 ִ´.  ο   ͵     ȣ  ϴ     ӿ 縦 ä , ӿ ó TV ׳  ־ ϰ ִٰ Ѵ.
 
 ʴ´ٸ     ͵ .
 
 ε ū ȿ   ִ.
 
 켱   ָӴϸ µ,  Źҿ  ٷ    ̴. ӿ ִ  ̳    . 簡   ǰ̴     ִ ߰     ӿ ־ ָ  ̴.
 
 پ ڷó Ž   ߾ õ Ѹ   غų     ͵ ,   ̴      ̴.
 
 м  ٿ   ڳʿ ϴ    ϴ  ִ.    ڳʿ Ͼ ι   Ͼ  Ȯ   Ը ʰ ִ.
 
 ŭ  迡   ذ   ź ó 縮 ִ ̴.   ִ   м  ó   Ż    Ѵ. ״ ڱ    ɾ    ϰ ߴµ,  ڳʿ ġ  ǿܷ ι  Ѵٴ  ߰,  ȸ ǥ  Ҵٰ Ѵ.
 
 ؼ
 
 ̺ : ̺ û ̶  ݻ緮  dzϴٴ  ǹѴ. ̷    ˳       ó  ݻ緮 ġ   Ȯϰ  ʴ  ִ.
 
 :  û       ִ.   û          Ȯϰ  м   ִٴ  ִ.
 
 ÷ (Flutter echo) :  ݻϴ     ߰  ִ   (Slap back echo)ε Ҹ ϴµ,   ݻ   û  Ŀ    Ͼ.
 
 ֺ    ݻ    պ ġ   պϸ鼭 ұĢϰ     ǹѴ.    ġ  ÷ ڴ   ü ߸.
 
 [ó :  ]
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