That's sort of the thing we've recently switched to in Sweden too.

Everyone who pays tax in Sweden also pays the fee for public service. 1% of the income (with a 1347 SEK roof) goes to SVT, SR and UR.

There's historically been a reluctance to making it a tax because public service wants to claim independence from the state. Now it has gone from a mandatory (but escapable) fee to an inescapable mandatory fee. Which is, basically, a tax...