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post #121 of 149 Old 10-14-2019, 10:27 AM
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Originally Posted by Brian Hampton View Post
you will buy based on 24/192 ?

Have you given this much thought? ... human hearing has limits and most agree the upper range of frequencies is around 22KHz. If you double that sampling rate you can reproduce any audible sound. In other words if the ATV4K puts out 24/48 that should be all you need.

In my own testing I played back music at 24/96 (from a Mac mini) and 24/48 for ATV4K and could not hear any difference.

If the number 192 is just one of your favorite numbers then I understand. It is a pretty cool number.


-Brian
I will buy based on the device providing all of the compatibility I desire - my money.
I am always amazed at how people who don’t know what they are talking about think everyone else should be as Ignorant as them.
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post #122 of 149 Old 10-14-2019, 10:31 AM
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Originally Posted by jwAV View Post
I will buy based on the device providing all of the compatibility I desire - my money.
I am always amazed at how people who don’t know what they are talking about think everyone else should be as Ignorant as them.
Ok
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post #123 of 149 Old 10-14-2019, 11:30 AM
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Quote:
Originally Posted by Brian Hampton View Post
you will buy based on 24/192 ?

Have you given this much thought? ... human hearing has limits and most agree the upper range of frequencies is around 22KHz. If you double that sampling rate you can reproduce any audible sound. In other words if the ATV4K puts out 24/48 that should be all you need.

In my own testing I played back music at 24/96 (from a Mac mini) and 24/48 for ATV4K and could not hear any difference.

If the number 192 is just one of your favorite numbers then I understand. It is a pretty cool number.


-Brian
Learned about the Nyquist Sampling Theorem when I was taking my EE courses at Georgia Tech. Also, from just listening on my HT system I personally believe:

24/48 should be more than sufficient for human ears.

24/96 is "cool" though.

24/192 is about bragging rights. Also, for consumer purposes 24/192 is somewhat of a streaming bandwidth hog and a shiny disc or HDD/SSD disk space hog with no perceived listening gains.

However, I know 24/192 is used by the pros. For example, here is an outtake from page 23 of the Abbey Road Anniversary Edition Book included in the SE box set:

'Abbey Road' is the first Beatles LP for which all the songs were mixed solely in stereo, except for 'Octopus's Garden', which did receive mono mixes that were never used. The history of how the songs were recorded was researched mainly from two sources. First, all the original multi-track session tapes and stereo mixes were carefully listened to via digital 192kHz/24-bit copies."

The Abbey Road Anniversary BD contains:
24/48 Dolby Atmos mix.
24/96 DTS-HD MA 5.1 mix.
24/96 PCM Stereo mix.
But no 24/192 mix.

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post #124 of 149 Old 10-14-2019, 02:45 PM
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Originally Posted by kokishin View Post
Learned about the Nyquist Sampling Theorem when I was taking my EE courses at Georgia Tech. Also, from just listening on my HT system I personally believe:



24/48 should be more than sufficient for human ears.



24/96 is "cool" though.



24/192 is about bragging rights. Also, for consumer purposes 24/192 is somewhat of a streaming bandwidth hog and a shiny disc or HDD/SSD disk space hog with no perceived listening gains.



However, I know 24/192 is used by the pros. For example, here is an outtake from page 23 of the Abbey Road Anniversary Edition Book included in the SE box set:



'Abbey Road' is the first Beatles LP for which all the songs were mixed solely in stereo, except for 'Octopus's Garden', which did receive mono mixes that were never used. The history of how the songs were recorded was researched mainly from two sources. First, all the original multi-track session tapes and stereo mixes were carefully listened to via digital 192kHz/24-bit copies."



The Abbey Road Anniversary BD contains:

24/48 Dolby Atmos mix.

24/96 DTS-HD MA mix.

24/96 PCM Stereo mix.

But no 24/192 mix.
I agree that 24/192 does seem to be more about bragging rights. Not very many 24/192 dacs I like. Depending on how it was recorded, 24/96 can sound dan good and present a lot of nuances with details if your system is capable.

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post #125 of 149 Old 10-14-2019, 04:45 PM
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There is a test that you can do to verify if you can hear a difference between the different resolutions.

First off I'll say that I can't give any guidance on how to do the test since I haven't taken the time to do it myself.
Take a high resolution track and resample it down to several different lower resolutions. Take the high resolution track and a lower resolution track and play them synchronized together but invert polarity on one of the tracks. Any data that is the same will cancel each other out and will have zero output, but any differences in the tracks will be audible. If you hear no output, then the higher resolution isn't noticeably better.

Over the last few years I have been buying higher resolution tracks, not because I believe that the higher resolution is noticeably better, but because many of these higher resolution tracks have been remastered which could be noticeably different, and hopefully better. Again, this could be tested using the method described above.
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post #126 of 149 Old 10-21-2019, 04:15 AM
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Does anyone have faith that Amazon Music HD will implement a software fix to address the issue ‘upsampling every format’ .


I have decided only to use Amazon Music HD for listening to 24bit/96KHz Tracks.
My DAC’s support it [Audioquest Cobalt via USB-C from iPadPro] & [Chord Mojo via Optical cable from Apple iMac].

If they don’t fix it before my 90day trial ends, then I will stick with TIDAL HIFI.
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post #127 of 149 Old 10-23-2019, 02:48 PM
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Wink

Doing A/B comparisons between Amazon 24bit/96KHz to same tracks on TIDAL in HIFI and Masters.

Using Audioquest Cobalt to Focal Clear from downloaded tracks on iPadPro (USB-C)

Amazon Music HD sounds flatter, almost like ‘reduce loudness noise differences’ is on, but it is not as checked settings.
TIDAL HIFI sounds more dynamic and less shouty. Just better altogether.
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post #128 of 149 Old 10-30-2019, 09:02 AM
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Has it been determined when Atmos tracks will actually be available on Amazon Music HD? I read one place that it would be when the Echo Show releases in November but I haven't found any other site that backs that up.
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post #129 of 149 Old 11-06-2019, 04:56 AM
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Quote:
Originally Posted by Michaeldef View Post
Denon's site now has 3 months Amazon HD Music free trial also......https://denon.custhelp.com/app/answers/detail/a_id/6992
`still available yet? doesn't show it...on web page ...

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post #130 of 149 Old 11-06-2019, 10:41 AM
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`still available yet? doesn't show it...on web page ...
try this or go to Denons home page....https://usa.denon.com/us/Amazon-Musi..._content=Denon

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post #131 of 149 Old 11-06-2019, 02:29 PM
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thanks...I thought the HD was free as well as just amazon music...I have the free prime version, but would need to upgrade to just "amazon music" for $7.99 and get free amazon HD....confusing...

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post #132 of 149 Old 11-07-2019, 08:04 AM
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Originally Posted by wanab View Post
thanks...I thought the HD was free as well as just amazon music...I have the free prime version, but would need to upgrade to just "amazon music" for $7.99 and get free amazon HD....confusing...
The 7.99 fee should not kick in until after the free trial period

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post #133 of 149 Old 11-07-2019, 08:59 AM
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thanks again...

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post #134 of 149 Old 11-07-2019, 09:27 AM
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I have not been able to clearly find an answer to this after lots of Googling: Is there any Atmos music on Amazon Music HD yet or is it still coming?
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post #135 of 149 Old 11-08-2019, 08:10 AM
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...Is there any Atmos music on Amazon Music HD yet ...
I haven't seen anything about Atmos Music content yet, but there are Sony 360 Reality Audio tracks available.

Sony 360 Reality Audio is similar to Atmos in that the audio is object based. Supporting services (Amazon Music, Deezer, etc.) have software that can decode the encoded stereo signal for use with headphones (no special headphones necessary). Sony 360 can also be applied to speaker systems but the speaker or system needs to have a special chip which would decode the encoded stereo signal. Currently, the only speaker that has this chip is the new Amazon Echo Studio.
The Sony 360 format seems to be similar to the old Dolby Pro Logic surround sound format which used a stereo signal but was encoded with surround sound info that the system had to decode to send the audio to the correct channel.

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post #136 of 149 Old 11-08-2019, 09:09 AM
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I haven't seen anything about Atmos Music content yet, but there are Sony 360 Reality Audio tracks available.

Sony 360 Reality Audio is similar to Atmos in that the audio is object based. Supporting services (Amazon Music, Deezer, etc.) have software that can decode the encoded stereo signal for use with headphones (no special headphones necessary). Sony 360 can also be applied to speaker systems but the speaker or system needs to have a special chip which would decode the encoded stereo signal. Currently, the only speaker that has this chip is the new Amazon Echo Studio.
The Sony 360 format seems to be similar to the old Dolby Pro Logic surround sound format which used a stereo signal but was encoded with surround sound info that the system had to decode to send the audio to the correct channel.
I never heard of Sony 360. But thanks I will have to check it out.
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post #137 of 149 Old 11-08-2019, 11:07 AM
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Originally Posted by zeonstar View Post
....
To find 3D tracks in Amazon Music HD do a search for "Best of 3D Music," it is a playlist of 20 tracks that are 3D. There isn't a "3D" badge showing as the track is playing, but if you click on the "HD/UHD" badge, a screen pops up that shows you the resolution of the track and there is a "3D" notification.

As far as the "3D" notification, I have no idea what format this is: is it Dolby Music, is it Sony 360, is it some other "3D" format???

*** "3D" is not available on my PC Windows 10. It does show up using the Amazon Music app on my Android phone.
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post #138 of 149 Old 11-08-2019, 11:49 AM
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To find 3D tracks in Amazon Music HD do a search for "Best of 3D Music," it is a playlist of 20 tracks that are 3D. There isn't a "3D" badge showing as the track is playing, but if you click on the "HD/UHD" badge, a screen pops up that shows you the resolution of the track and there is a "3D" notification.

As far as the "3D" notification, I have no idea what format this is: is it Dolby Music, is it Sony 360, is it some other "3D" format???

*** "3D" is not available on my PC Windows 10. It does show up using the Amazon Music app on my Android phone.
I found Lucy In The Sky With Diamonds in UHD & 3D.

Says you need an Echo Studio to take advantage of 3D. Non-starter for me.

If Amazon Music HD doesn't support FTV Stick 4K or a newer equivalent device with UHD and 3D, then I'll pull the plug on Music Unlimited and HD and just stick with their Prime Music offerings.

I wish Amazon would wake the hell up and update their FTV ecosystem devices to support UHD and 3D.

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post #139 of 149 Old 11-11-2019, 09:05 PM
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I found Lucy In The Sky With Diamonds in UHD & 3D.

Says you need an Echo Studio to take advantage of 3D. Non-starter for me.

If Amazon Music HD doesn't support FTV Stick 4K or a newer equivalent device with UHD and 3D, then I'll pull the plug on Music Unlimited and HD and just stick with their Prime Music offerings.

I wish Amazon would wake the hell up and update their FTV ecosystem devices to support UHD and 3D.
Came here to post the exact same thing. I only subscribed to the 3 month trial of Amazon Music HD because I was curious about Atmos Music but the ONLY device that can play it back is the Amazon Echo show. So the only device that can play Atmos is a single circular Smart speaker that in the end has to use virtualization for it's Atmos playback meanwhile I can't play it back on my 9 Speaker 5.1.4 Atmos system.

Hoo Boy, Amazon. Hoo Boy.
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post #140 of 149 Old 11-12-2019, 01:26 PM
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I'm new to this thread, and new to Amazon Music HD (AMHD)...


I generally listen to 2-channel music, as multi-channel/Atmos/etc doesn't appeal to me, and in saying that I'm really enjoying AMHD. I've been listening via my Marantz 7011 & NHT Classic 3's w/ 2 subs via the HEOS app, and also the Amazon Music app from my iPhone X (all wireless/wifi). I am however a bit disappointed this has rendered my Sonos Connect basically useless, as how I understand it, Sonos won't transmit (sorry for my ignorance in terminology) FLAC or is it just hi-res?


Has anyone tried using the Sonos Connect for AMHD? Am I better off using the HEOS (which gets a bad rap, and isn't *that* bad of an interface on my first couple of uses)? What about using the Amazon app? Ultimately, what will get me the best sound / bit rate?


TYIA
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post #141 of 149 Old 11-14-2019, 06:46 AM
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Am I better off using the HEOS (which gets a bad rap, and isn't *that* bad of an interface on my first couple of uses)?

I take it back. HEOS is insufferably cumbersome to use.
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post #142 of 149 Old 11-16-2019, 09:41 AM
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Sounds like amazon is trying to make money on everything and anything that anyone spends money on.
Why not!

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post #143 of 149 Old 11-16-2019, 09:47 AM
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Why not!
I hope they are very profitable, enjoy economies of scale so that they further invest more in RnD and deliver better competitive products for us consumers. Sorry if i am being selfish here.
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post #144 of 149 Old 11-16-2019, 11:01 AM
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I hope they are very profitable, enjoy economies of scale so that they further invest more in RnD and deliver better competitive products for us consumers. Sorry if i am being selfish here.
Sure, a company that completely controls the market always benefits the people....

(Btw, that's sarcasm.)
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post #145 of 149 Old 11-16-2019, 11:59 AM
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I just spoke to Amazon customer service and here's what I learned. I've had Amazon Music for years and I'm a Prime member so I have down loaded a large number of songs both via Prime and purchased a number of others. All of the songs I have will have to be downloaded again. However, following their advice I did a search and they only have a very limited number of songs in Ultra HD and slightly more in just HD. Suffice to say I will be cancelling my trial subscription until such time as all their music is available in HD. If anyone learns anything different please post. The total number of songs available is less than 300.

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post #146 of 149 Old 11-16-2019, 01:28 PM
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IMO, Amazon shouldn't have used the the term HD or UHD. It's confusing and sets unreasonable expectations. I was contemplating upgrading my subscription but it currently doesn't compete with others yet. Maybe in the next year or so it will and then I will reevaluate.

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post #147 of 149 Old Yesterday, 07:05 AM
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Sure, a company that completely controls the market always benefits the people....
(Btw, that's sarcasm.)
Really, you think Amazon Music controls the music streaming market? Or I guess you're just making a general comment here which does not apply to this situation.

As with most product roll-outs, Amazon Music has glitches and lack of features which I believe will be improved over time, just like with most other products and services. If these services don't meet your needs, move on, that is what is great about capitalism in which Amazon Music does not completely control the market.

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post #148 of 149 Old Yesterday, 07:32 AM
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Quote:
Originally Posted by kokishin View Post
Learned about the Nyquist Sampling Theorem when I was taking my EE courses at Georgia Tech. Also, from just listening on my HT system I personally believe:

24/48 should be more than sufficient for human ears.

24/96 is "cool" though.

24/192 is about bragging rights. Also, for consumer purposes 24/192 is somewhat of a streaming bandwidth hog and a shiny disc or HDD/SSD disk space hog with no perceived listening gains.

However, I know 24/192 is used by the pros. For example, here is an outtake from page 23 of the Abbey Road Anniversary Edition Book included in the SE box set:

'Abbey Road' is the first Beatles LP for which all the songs were mixed solely in stereo, except for 'Octopus's Garden', which did receive mono mixes that were never used. The history of how the songs were recorded was researched mainly from two sources. First, all the original multi-track session tapes and stereo mixes were carefully listened to via digital 192kHz/24-bit copies."

The Abbey Road Anniversary BD contains:
24/48 Dolby Atmos mix.
24/96 DTS-HD MA 5.1 mix.
24/96 PCM Stereo mix.
But no 24/192 mix.
Never buy anything you can't hear.

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post #149 of 149 Old Yesterday, 09:35 PM
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Quote:
Originally Posted by glennds View Post
Really, you think Amazon Music controls the music streaming market?

Or I guess you're just making a general comment here which does not apply to this situation.

Not at all.


The poster brought up an older discussion here we made much earlier about amazon in general.
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