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あなたはスペーカーシステムというものをご存知ですか?
2.1chや5.1chと呼ばれる種類があり、自宅でも導入する人が増えています。
特にホームシアターを導入する家庭では必ずと言っていいほど、このシステムが使われています。
しかし、2.1chや5.1ch、7.1chと言われても、その違いを知る人は少ないとおもいます。
そこで、今回はスピーカーシステムとは何なのかを解説していきたいと思います。
スピーカーシステムとは?
スピーカーシステムとは、通常のスピーカーと異なり、音が多方面から聞こえる事で立体的なサウンドを楽しめます。
映画館などでは、このシステムを体験することが多く、後ろや横など状況に応じて音の聞こえてくる方向が異なります。
最近では自宅でも映画を楽しむ人が増え、このスピーカーシステムを自宅に導入するケースも増えています。
2.1ch・5.1ch・7.1chの違いとは?
スピーカーシステムにはおおきく分けて「2.1ch・5.1ch・7.1ch」の3種類が存在します。
これらの数字は何を表しているのでしょうか。
答えは、スピーカーの数とサブウーファーの数を表しています。
ドットより前の数字がスピーカーの数で、ドットより後の数字がサブウーファーの数です。
2.1chであれば2つのスピーカーと、1つのサブウーファーが使われています。
サブウーファーとは何か?
サブウーファーとは通常のスピーカーと異なり、概ね 100Hz以下の超低音域のみを担当して再生するスピーカーです。
サブウーファーがある事により、低音もしっかり聞くことができ、臨場感を味わえやすくなります。
ただ、性能にもよりますのでサブウーファーを付けたからと言って劇的に変わるかと言うと、製品に依存すると言うのが正直なところです。
どこにスピーカーを置くのか?
2.1ch・5.1ch・7.1chがそれぞれ、どこにスピーカーを置くのか解説していきます。
2.1ch
前方左右に2つのスピーカー・前方センターにサブウーファー
5.1ch
前方左右に2つのスピーカー・前方センターに1つのスピーカー・後方に2つのスピーカー・前方センターにサブウーファー
7.1ch
前方左右に2つのスピーカー・前方センターに1つのスピーカー・後方左右に2つのスピーカー・後方に2つのスピーカー・前方センターにサブウーファー
家庭におすすめは5.1ch
もし、家庭に導入を検討しているのであれば5.1chがおすすめです。
理由は、設置が大変だからです。
スピーカーが増えれば増えるほど設置が大変になってきます。
また、費用も高くなってしまいます。
なので家庭で導入するなら5.1chぐらいが最適だと思います。
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