Studi mengonfirmasi pianis membentuk timbre piano melalui sentuhan

Kamis, 28 Mei 2026

Dilaporkan oleh AI

Sebuah studi ilmiah baru telah menyelesaikan perdebatan berusia seabad dengan menunjukkan bahwa sentuhan seorang pianis memang dapat mengubah warna nada tuts piano. Peneliti menggunakan sensor canggih untuk menangkap pergerakan tuts yang halus dengan kecepatan tinggi. Temuan tersebut menunjukkan bahwa pergerakan ini menghasilkan perbedaan yang dapat didengar dalam hal kecerahan, bobot, dan kejernihan suara.

Peneliti yang dipimpin oleh Dr. Shinichi Furuya dari NeuroPiano Institute dan Sony Computer Science Laboratories melakukan studi ini. Mereka menggunakan sistem nirsentuh khusus yang disebut HackKey untuk melacak ke-88 tuts piano pada kecepatan 1.000 bingkai per detik. Dua puluh pianis yang diakui secara internasional membawakan nada-nada dengan kualitas tonal yang kontras, seperti suara yang cerah versus gelap serta ringan versus berat.

Study finds infrasound can raise cortisol and irritability even when people can’t hear it

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A small controlled experiment reported in Frontiers in Behavioral Neuroscience found that exposure to infrasound—ultra-low-frequency vibration below the range of human hearing—was associated with higher salivary cortisol and more negative mood ratings, even though participants could not reliably detect when the infrasound was present.

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19 Juli 2026 03.15

Studi mengonfirmasi pianis membentuk timbre piano melalui sentuhan

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