Audio Low Pass Filter は、AudioSource の低周波や AudioListener のすべての音声を渡し、「 Cutoff Frequency 」よりも高い周波数をカットします。
プロパティ | 機能 |
---|---|
Cutoff Frequency | ローパスカットオフ周波数(単位: Hz) 10.0 ~ 22000.0 デフォルト 5000.0 |
Lowpass Resonance Q | ローパス共鳴 Q の値 10.0 ~ 10.0 デフォルト = 1.0 |
Lowpass resonance Q (別名: ローパス共鳴品質係数) は、フィルターの自己共鳴が抑制される度合いを決めます。Lowpass resonance Q が高いということは、エネルギー損失率が下がる、つまり、共振の消滅がより遅くなるということです。
Audio Low Pass Filter は、Rolloff 曲線と関連付けられており、これにより、オーディオソースとオーディオリスナー間の距離にわたって、「 Cutoff Frequency 」を設定できます。
音声は環境によってその伝播の仕方が異なります。例えば、視覚的な霧の効果の補完は、微妙なローパスのオーディオリスナーへの追加になります。ドアの後ろで発せられる音声の高周波はリスナーには届きません。ドアを開くときに、「 Cutoff Frequency 」を変更するだけでこれをシミュレートできます。
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