On Tue, Nov 11, 2014 at 02:02:28PM +0100, Moritz Barsnick wrote:
> Where I live - Germany - the "minor" stations try to use less bandwidth
> on the satellite transponders / in their bouquets, and transmit only
> one AC-3 audio stream with two channels. Nevertheless, I get quite
> proper surround sound from my sound system during many movies. So my
> conclusion is that they use the PLII "down-mix".
That doesn't make any sense. AC3 5.1 is usually done at 384 kbps, while
AC3 2.0 is 192 kbps. The 192 kbps difference is a drop in the bucket
compared to all of the other packets that make up the transponder mux.
Weird.
MB
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