音声データの中に「どんな音(周波数)」が含まれているかを調べるためには、フーリエ変換(Fourier Transform)が欠かせません。 特にデータサイエンスや機械学習の分野では、音声特徴量抽出の第一歩として高速フーリエ変換(FFT: Fast Fourier Transform)が頻繁 ...
When you listen to digital music, the harmonies and chords that you hear have probably been reconstructed from a file that stored them as components of different frequencies, broken down by a process ...
Amid the chaos of revolutionary France, one man’s mathematical obsession gave way to a calculation that now underpins much of mathematics and physics. The calculation, called the Fourier transform, ...
Chancellor's Professor of Medicine, Liberal Arts, and Philanthropy, Indiana University March 21 marks the 250th birthday of one of the most influential mathematicians in history. He accompanied ...
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