用 CustomPaint 畫出複雜的聲音波
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Published: 2021/12/10 - Updated: 2021/12/11
Total: 8926 words
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很久以前就是個「寫程式的」，其實，什麼程式都不熟⋯⋯
就，這會一點點，那會一點點⋯⋯
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深入 CustomPaint()，導入多工 isolate() 計算複雜的波形資料，優化使用者體驗，正面對決巨量繪圖的挑戰
產生音波 PCM
接下來，我們將要展示如何畫出音波，要畫出音波就要有音波的數值，也就是 PCM（脈波編碼調變，英語：Pulse-code modulation），...