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DTMF信号の生成と検出アプリを作った

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ボタンを押すと、DTMF音声を出力し、同時に検出を行うアプリを作りました。検出にはgoertzelアルゴリズムを使用しています。ネット上で拾った関数を改造して利用し、数学的な理屈はちゃんと理解していません。Qt5を使用しています。Windows、Linux、macOSで動作します。

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