Originally Posted by smurraybhm
GSR - Always enjoyed a respected you posts here and on threads like the Oppo so I hopefully will not come off as being anything but.
3. The DD+ issue was a result of a change by Netflix, how do we hold someone else accountable for a change by another company that they have no control over.
It is inaccurate to single out Netflix. This is a DD+ issue, that happen to manifest after Netflix made a change to use a different DD+ encoding. These are not proprietary Netflix implementations. Dolby is the one setting the standards. As others have noted, standards are not perfect. Sometimes they result in interop problems. But, don't blame Netflix. If you want to blame someone on the encoding software side of the equation, blame Dolby. Netflix is simply using the updated DD+ encoding for some of their content, as of Fall 2013. Netflix is being singled out, because of their ubiquity in the market. Most other sources of DD+ (e.g. hd-dvd, bluray) aren't using these updated lower bit-rate encoding. And, many other streaming services aren't using DD+ at all. But, if they did, it likely to have the same problem with these Denon receivers.
The issue was a result of certain DSP's (used in many Denon AVR's) having not been validated with update DD+ encoding schemes. To Denon, and the DSP manufacturer's credit, Dolby hadn't released their updated software until Nov 2012. By then, many of these products had shipped, and were in the field or inventories. But, the E-AC-3 standards were published well before Dolby released the software updates that Netflix is using. If the standards are too ambiguous, and lead to interop problems (which I don't think is the case here), then blame the authors.
User 'duc135' has pointed out that we don't know for sure that Denon's software is to blame. He's correct. We haven't seen the code. And Denon has chosen there words very carefully in their public bulletins, as to call this an issue with decoding the Netflix streams. And, never to admit fault. However, I'm highly suspect of Denon's software being the culprit, and not Netflix's DD+ encoding methods. Considering, that many other AVR's, using other manufacturer's DSP's do no experience the issue. That combined with Denon updating dozens of other models, makes me think the decode side of this equation is the problem.
The technical aspects are only part of the problem. I don't think Denon is being an honest broker. Denon knows how to fix it. Even if it isn't their bug (and I suspect it is), they know how to workaround it. They choose not to do this on the 4311 models, where the cost of doing so, is probably minimal. But, worse is how they have mislead many customers to believe they are working on a fix (myself). And they offer some warrantied customers adequate upgrade incentives. And, tell others (myself) to get lost.