Is the topic title statement true? That is, with Oticon, Philips, and perhaps other brands which provide optional TV Adapter accessories and automatically make available a TV Adapter program when the Adapter is in range, the processing of the audio is fixed. E.g., the parameters of Program 1 are always applied. So TV output that sometimes, but not usually, would benefit from, say, the settings of a Music or Speech in Noise program can’t get that benefit?
(BTW in my case the “TV” is my desktop computer – usually a web browser.)
I have Phonak, and there are 2 streaming programs. One for Speech and one for Music. These work with both Bluetooth Connections and the TV Connector (which isn’t Bluetooth).You can set the respective gains how you like, and mine are very near to the Music program anyway.
With Resound / GN Jabra 20 … you can use any program and also make changes with the sound enhancer (Bass Middle Treble) with the TV connector 2
Also create a special TV program and save it as “TV” if you like … all on the phone app.
Some time ago I tried to use a connection to my Mac, but the connection was not reliable enough to replace the TV Connector. Some things have changed since then, so I tried again and so far, so good.
The only quirk – which is just a curiosity, not a problem – is that the Mac identifies Oticon Real 1s as “Bravo Hearing aids”. I had to research that name: Bravo is a legacy Widex model. BTW, my iPhone also identifies them as Bravo.