recorded file question

[gzpxyj]

I checked my recorded files and there are in, out, all files for each call. The file labled as in and all are the same. Why we have two files for the same call? anyway not to write the identical copy?

[williamconley]

calls are written raw to disk and mixed at intervals to reduce cpu usage.

check crontab -e and look at the mixing etc in the first few lines.