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post #4471 of 4476 Old 02-05-2016, 08:09 AM
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Originally Posted by bodosom View Post
You're conflating device types. I'll imagine that you mean AVRs and note that they can accept many digital inputs but they only output a single analog audio format (ignoring impedance) and a small number of video formats (YCC, RGB or S-video).
My last thought on this (and certainly not trying to be argumentative). They should specify "input formats" and "output formats".

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post #4472 of 4476 Old 02-05-2016, 08:17 AM - Thread Starter
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My last thought on this (and certainly not trying to be argumentative). They should specify "input formats" and "output formats".
Of course and I agree that they probably should provide that information. It's certainly available for my Denon AVR but the output voltages and current limits to the speakers are not bullet points on the web page -- they're buried in the back of the rather imposing user manual.

It actually surprises me that Apple put pass-through on the ATV3 page. It's the sort of detail I would expect to find in a developer document or how-we-make-it video.
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post #4473 of 4476 Old 02-05-2016, 10:07 AM
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Imagine if Denon, Pioneer or Marantz played that game.... We can read all those audio formats but only output to 5.1 DD.
Yep, if I bought a blu ray player from Denon or anyone else, and it converted audio to a format that didn't contain all the data in the bitstream (like flags and meta data for Atmos), or changed the sample rate when converting to multi channel linear PCM, I would return that player and buy one that wasn't crippled in that manner.

But with ATV, unless we change ecosystems, there isn't really an alternative (except to stick with ATV3).

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post #4474 of 4476 Old 02-05-2016, 12:38 PM - Thread Starter
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or changed the sample rate when converting to multi channel linear PCM, I would return that player and buy one that wasn't crippled in that manner.

But with ATV, unless we change ecosystems, there isn't really an alternative (except to stick with ATV3).
Except that resampling is happening and, despite the fact that it can happen internally without anyone being any the wiser, people complain about Apple doing it. The Apple TV (and lots of other similar devices) can display photographs. Do people complain that those photos are mapped from one color space to another and return the device?

To be clear: I think Apple (and lots of other companies) could do better but ambiguity on the spec page is a minor issue and is not uncommon in the industry. The current decode/encode process has some real problems and it would be nice if those were fixed before Apple adds a footnote in the specs that says "All output from Apple written apps has been converted to MPCM".
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post #4475 of 4476 Old Yesterday, 10:52 AM
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A quick non-audio focused ATV 4 comment.

One single new ATV app has proven to be a game changer for me, and alone made me so happy I bought the new ATV.

I recently upgraded from an ATV3 to an ATV 4 after the old ATV began encountering various problems (random reboots, broken remote, etc.) I considered switching to Roku or something else, but ultimately stuck with Apple because as a family we're pretty invested in the Apple ecosystem (several iPhones, iPads, & computers), so the easy Airplay & mirroring was the deciding factor.

We watch very little live TV - and even that is only OTA - but instead mostly do streaming via Netflix, Hulu, YouTube, Amazon (via our Blu-ray player), etc. so I seriously considered just going with a new ATV3 and saving some money, but ultimately just went with the 4, and I'm so glad I did - especially when I discovered and bought the Channels app (http://getchannels.com/).

When combined with a HDHomerun tuner (which I happened to already own) it allows you to watch, pause, rewind and fast forward live TV - with limits. More specifically, once you're on a particular channel it buffers up to an hour, and within that hour of buffering you can rewind and FF. It also has a very nice program guide included so you can easily see what is currently on whatever channels you get. It does NOT have full DVR functionality, although the developers are apparently working on that as well, so even that may be coming someday. It costs more than most apps - currently being offered for a few more days at an introductory rate of about $15 - but since I already owned the HDHomerun tuner that $15 cost gave me rudimentary Tivo light functionality, and I am thrilled.

I emphasize it is NOT anywhere near full Tivo functionality or sophistication, but for the price it gives me an unbelievably easy and affordable way to finally pause/FF/REW OTA Live TV (works also with cable channels if you have the correct HDHomerun model). The closest I got before required keeping a computer running and buying more expensive, dedicate software, along with a degree of tinkering, patience and technical prowess that I didn't have, and my family showed zero interest in using. This app, by contrast, only requires you to point and click on an Apple TV 4 app - easy, peasey! My daughters were using it immediately with almost zero explanation.

In sum, this new app alone in my opinion makes buying the ATV 4 worthwhile. Hope this helps someone else.
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post #4476 of 4476 Old Today, 11:56 AM
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If the differences are easily noticeable, I would think it's due to a levels mismatch. For example, my Fire TV stick outputs PC Levels, and I've found no way to influence that with my equipment, though I've heard from others that it can output Video Levels under unspecified conditions. The Apple TV lets you choose, though it has weird terminology for Video Levels (RGB High) and PC Levels (RGB Low). I believe it uses Video Levels by default, so I'd either need to change this or put it on a different TV input than the stick. Of course, the TV also has to be configured for whatever the players are outputting. (I actually set my ATV4 to Video Levels to remove any doubt and group it with my normal devices on my AVR, which has two outputs, one of which I use for Video Levels, the other for PC Levels.)
Which may help explain why, at least to my eyes, the built in apps in my Samsung TV provide an even better looking picture than the Apple TV, Fire TV or Roku 4.
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