音频编辑

crossfade loop好像不太理想,音量忽大忽小的,
在google上找了下,有個叫"Freeze Looper"
它的介紹:
"The Freeze Looper creates perfect loops in sounds like winds, brass, and other solo sounds that have a clear harmonic series."

正是我想要的,可惜只有mac版,
請問還有沒有別的選擇呢?