If they passed the bitstream to the 568, then the 586 must use DSP to decode DD/DTS, upsample, time alignment, and bass management. This will require them to waste more of the DSP, which might limit future processing options because 568 only has room for so much DSP. I am suprised they even offered DD/DTS upsample in 568.
By doing what they do, they balance the load. They have a DSP in 598 which must decode MLP, so why not use it to decode DD and DTS, which will then allow them to do even more DSP work in 568 with future updates.
I have not heard anyone complaining on here about 800V3 and the fact that you must use 800 w/ 861 to get DD/DTS upsample.
If you think about it, you are not loosing anything over other processors. No one else does DD or DTS upsampling in their processor.
I bet they could probably decode DD and still do everything in 568, but DTS is such an inefficient mess that it would be too much work. And if DTS 96/24 every ships more than 2 discs, that will require even more DSP. Of course next year I am sure we will see DTS introduce DTS 96/24 ES, and then DTS 96/24 ES Discrete the following year. Perhaps after that we will get DTS DSD.
[This message has been edited by sspears (edited 06-27-2002).]
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