Right click the video, you get a pop-up showing the bitrate, resolution,
region and which content delivery network are being used.
the DA of DASH video stands for Dynamic Adaptive, it starts off with
lower bitrates, and increases if it can see your connection can do more,
seamlessly switching to a higher bitrate/resolution stream, but if it
senses your connection is struggling it will drop you back down.
On my web browser (Firefox on a Mac), some programmes have a 'switch'
shown beneath the picture if it's available. Similar on the Samsung and
LG TV apps.
UHD on the TV is pretty good. I'm not sure if my TV is big enough to
appreciate the extra resolution (UHD 43" TV - up close there's maybe
more detail over HD, I'm not sure), but the colours through the iPlayer
at least look far richer when watching live.
It seems to be that they have deliberately degraded the BBC1 live
streaming internet feed to 1M7 as opposed to ~3M on BBC2, News and watch
on demand Poldark. It makes any kind of fast sports action look rubbish.
Native image resolution 960x540 interpolated up doesn't help either.
The BBC1 feed identifies as "1700kbps | dash (II_dash_live_https)"
whereas those for BBC channels at decent bandwidth identify as
"2908kbps | dash (akmai_dash_live_https)". It takes about 10s to move
the the higher speed when first selected. BBC1 never speeds up :(
At this rate we will give up and watch it in true HD on my 47" at home
but it is a tremendous disappointment to find that BBC1 HD streaming no
longer works reliably when it was once perfectly good. Fine time for
them to cock it up. What is the point of a non-native HD resolution?
What sort of moron puts sports action onto a low bandwidth stream?
The BBC have changed the encoding method for "efficiency" so effectively
you cannot choose any more, it will deliver what it sees is appropriate
according to your connection speed.
Now using "Dash" encoding:
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