The podcast or whatever you choose is important because it's got to reflect a certain target version of the language for you. For people who listen to your partcasting can become cumbersome and intimidating to transcribe always, for example, an hour and 30 minute partcast. I think they can completely forget about stepa, transcribing steps. You won't. As i said, i didn't a do this every time with this method,. Right now, for italian, i do because i'm at a very low level. But as  you said, if it's british English, theyn obviously a british english podcast with someone's whose voice you like.