Asks for a worked MDCT computation on a short input sequence, with cosine values, a calculation table and final coefficients.
Implement MDCT for the input sequence: x(n) = [1, 2, 3, 4] Steps: 1. Identify N and 2N 2. Apply MDCT formula 3. Show cosine values clearly 4. Display step-by-step calculation table 5. Give final coefficients
对输入序列实现 MDCT： x(n) = [1, 2, 3, 4] 步骤： 1. 确定 N 和 2N 2. 应用 MDCT 公式 3. 明确显示余弦值 4. 展示逐步计算表格 5. 给出最终系数