How much disk space does StreamAuthor 2.0 consume when recording an hour audio and video file?

File sizes depend on the encoding profile you are using. For example, the 128 Kbps template uses 96 Kbps bandwidth.

Here's a sample formula: 96K / 8 (bit->Byte) x 60 (seconds) x 60 (minutes) = 43.2 MB (about 1/14 of a VCD with MPEG-1 format)