In digital music recordings, HD audio means at least 48 kHz/24 bit, going up to 96 kHz/24 bit or 192 kHz/24 bit (see “Understanding the numbers'). It is generally accepted that the human ear can hear frequencies between 20 Hz and 20 kHz, with the maximum audibility limit being 135 dB. HD audio is generally defined as an audio recording that has been captured during a studio session, with hardware capable of matching or exceeding the perceived limitations of human hearing.

But the sudden popularity of high-definition (HD) music (also known as high-resolution music or lossless music) is making people sit up and take notice of the PonoPlayer (and its online music store) and the forthcoming Sony Walkman-two of the most talked about devices among music enthusiasts. The bigger benefit, of course, is that this takes up less space and is playable on smartphones and tablets, and on a variety of music players. It is essentially a way of compressing audio tracks into smaller sizes. Note: You must have an Amazon Music HD subscriptionĢ.Broach the topic of music downloads and most users would list the MP3 format as their preference. To pull up a list of the available Ultra HD playlists, choose 'Amazon Music' from the HEOS App, then select the “Search” option. How do I find and play Amazon Music Ultra HD songs on my Marantz system?ġ. If you have any of the Marantz products listed below, your product should already be Amazon Music HD ready, provided your product has been connected to the internet to receive the automatic update. Ultra HD means at least 24-bit 48kHz and up to 192kHz, which means it sounds significantly better than most other streaming services.īecause the ability to play Amazon Music HD on Marantz products with HEOS Built-in is made possible through an automatic software upgrade (assuming your product is internet-connected), all you will need to stream at Amazon Music Ultra HD resolution is an Amazon Music HD subscription.

With the addition of Amazon Music HD, you will now be able to play Ultra HD music on supported Marantz systems from the HEOS App when choosing Amazon Music.

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