No, the video actually goes into that. Directors think it’s “more real” to have mumbled dialogues. But they seem to misinterpret that as “more mumble = more good”.
It’s a combination of both. Studios typically will mix the end result for the highest-end sound setups, which most people don’t actually have. If you’re lucky enough to have a full surround with the ability to properly dial in equalizer and other settings, you probably won’t have a problem hearing the dialogue even when it’s mumbled. But on conventional tv speakers, it can easily get lost in the mix.
Sure, microphones got better but there is more too it. One huge factor is the mixing for cinemas and not for home theaters or worse for TV speaker.
No, the video actually goes into that. Directors think it’s “more real” to have mumbled dialogues. But they seem to misinterpret that as “more mumble = more good”.
It’s a combination of both. Studios typically will mix the end result for the highest-end sound setups, which most people don’t actually have. If you’re lucky enough to have a full surround with the ability to properly dial in equalizer and other settings, you probably won’t have a problem hearing the dialogue even when it’s mumbled. But on conventional tv speakers, it can easily get lost in the mix.