A new algorithm for the computation of discrete cosine transform (DCT) with odd prime length using cyclic or skew cyclic convolutions is proposed.

• 提出了一种利用循环卷积 (Cyclic convolution)和扭循环卷积 (Skew cyclic convolution)实现计算奇素长度离散余弦变换 (DCT)的快速新算法。