取樣率是什麼?CD音質背後那個怪數字44.1kHz是怎麼來的 episode artwork

EPISODE · Sep 11, 2026 · 2 MIN

取樣率是什麼?CD音質背後那個怪數字44.1kHz是怎麼來的

from Little Pi's Tech Music Tips | 小皮的聲波速記

「電聲小知識」系列首發!CD音質常寫著44100這個怪數字,這集小皮解釋取樣率是什麼、奈奎斯特取樣定理,還有44100這個零頭其實是1980年代CD規格制定時,向錄影帶技術妥協留下的歷史遺跡。 參考資料: Nyquist–Shannon sampling theorem - Wikipedia:https://en.wikipedia.org/wiki/Nyquist%E2%80%93Shannon_sampling_theorem Compact disc digital audio - Wikipedia:https://en.wikipedia.org/wiki/Compact_Disc_Digital_Audio Why do CDs use a sampling rate of 44.1kHz?(Cardinal Peak):https://www.cardinalpeak.com/blog/why-do-cds-use-a-sampling-rate-of-44-1-khz

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取樣率是什麼?CD音質背後那個怪數字44.1kHz是怎麼來的

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