分弓换弦 Bow-separation string-shift

离散余弦变换 Discrete Cosine Transform ; DCT

指序与换弦练习 Fingering sequence and string-shift exercise

快速分弓换弦练习 Fast bow-separation and string-shift exercise

离散正弦变换 Discrete sine transform ; DST

反正弦变换 [数] Inverse sine transformation

离散余弦逆变换 inverse discrete cosine transform ; IDCT

离散余弦正变换 FDCT

反离散余弦变换 IDCT ; Inverse DCT

离散余弦反变换 IDCT ; inverse discrete cosine transform ; IDCT-Inverse Discrete Cosine Transform