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䱳δ 18 ' ' ǥߴ. 16 ǥ ' ְž ' ù ° ļ δå̴.
䱳 ̳ 쵿 Ӵ ȸ " ϰ Ʈ ѹαε, ̿ ä ϴ ǥ ̽ "̶ " ̻ ġ . ߰ ġ, ֹε ؾ "̶ ߴ.
" Ǽ ٳԴµ, Ǽ鵵 ϰ ְ ε 2003 ǽϴ ־ ߴ" "Ӵоú ű 縦 ִٴ ù ̰ڴ" ߴ. ̾ " о簡 ݿϰ ϴ (Ǽ簡) غ ʵ ϰڴ" ٿ.
å ũ . ǰ ̴ Ͱ ̹ ϴ ̴.
߹ٴڵβ ϸ о簡 ꡦѵ ȭ
μƼ긦 Ȯϴ ڴ. Ȯ о纸 Ḧ ִ 30% ϰ, ٴڵβ ؿ ߰ Ȯϸ о簡 ϴ ÿ ȭ Ѵ. 4 ȭ ɱ(1 37dB , 2 41dB ) 12 ٴڱ ϴ 쿡 о簡 ߰ Ѵ.
ֹο ɰ˻ ϵ ǹȭ ֹε Ǹ ϰ, ų ð縦 Ѵٴ ȹ̴. ܰ ǰ ȭ ؼ ٴڱ ð ϴ ðȮμ ܰ躰 3ȸ ̻ ϵ Ѵ.
Ȯ 4 űԷ ȹ û ȴ. ѱð(LH) ù ù ϰ, ʸ ߱ ȮѴ.
ɰ˻ ù Ȯ ϰ, ϸ鼭 Ȯ ü 2% 5% ø ȹ̴. ƿ ̴ Ͻðع ıǰ ȿ ո ıǰ ̵ Ѵ.
Ʈ ġ ǹȭ
Ʈ ġ, ðϴ 뿡 ִ 300 ڸ Ѵ. ҵ(1~3) ڷ, (4~7) ̰ ִ ̶ 1% ǰ ȹ̴.
ֹ ذ Ȱȭϱ Ը(500) ̻ ȸ ġ ǹȭѴ. ƿ , ȯ л ִ ο㡤 ټ ִ ٰ ȹ̴.
ϴٰ ˷ ౸ ȿ (R&D) ϰ, ִ (ٴڵβ, ) мϴ 뿪 Ѵ. ȿ Ǹ ౸ Ȯ ȭ ȹ̴. ٴڵβ غ ȭ ð ȿ Ÿ ٴڵβ 21, 240 ּұ ϱ ߴ.
ٴڱ ǰ ǹȭ(4 2 ) ϰ ִ.
δ ̳ ǥ å ϱ ɰ, Ȯ ļġ ̴. ' δ å' 'û ְ մå' ļӴå ǥ ħ̴.
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