Comment by zzo38computer

SCTE-35 might be a better way to get rid of the commercials (normally SCTE-35 is intended for adding commercials rather than removing them), but only if that data is available (in my experience, sometimes it is, but not always). It might be even more better to just avoid recording the commercials (therefore saving disk space, and saing network bandwidth if using internet for downloading them), or to automatically skip past commercials when playing back a recording (instead of replacing them with something else). If using HLS, then you might use the #EXT-X-CUE-OUT command to detect commercial breaks, and avoid downloading them (although there is sometimes problems with audio/video desynchronization when converting to DVD format, and I don't know if that is because the commercial breaks are not recorded or for some other reason).