>> I couldn't find a way to do this in ecasound, maybe there's a way to >> do it. Here's what I want to do: >> >> Find the exact length of a audio file in ms. I think ecalength can do >> this, I know it's not sample accurate, but I just need down to the >> around 1ms. Maybe there's another option other than ecalength. >> >> Then, I want to extract a section of another file: at a specific >> location in ms at a length of the file above. >> >> Then, mix that extracted segment with another file and save the >> result to a new file. How can this be done? I don't know of a >> utility that can extract a specific length at a specific location