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Wake On Demand in Snow Leopard

Putting your Mac to sleep saves power, but it also disrupts using your Mac as a file server, among other purposes. Wake on Demand in Snow Leopard works in conjunction with an Apple base station to continue announcing Bonjour services that the sleeping computer offers.

While the requirements for this feature are complex, eligible users can toggle this feature in the Energy Saver preference pane. It's labeled Wake on Network Access for computers that can be roused either via Wi-Fi or Ethernet; Wake on Ethernet Network Access or Wake on AirPort Network Access for wired- or wireless-only machines, respectively. Uncheck the box to disable this feature.

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Doug McLean

 
 

iTunes 10.5.1 Unveils iTunes Match

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Apple has released iTunes 10.5.1, which finally unveils the overdue iTunes Match (see “iCloud Rolls In, Extended Forecast Calls for Disruption,” 6 June 2011). The iTunes Match service, which costs $24.99 per year and is currently available only to U.S. customers, enables you to store your entire music library in the cloud and then play it from any of your computers or iOS devices.

What sets iTunes Match apart from services like Amazon Cloud Player (see “Amazon Puts Your Music in the Cloud,” 2 April 2011) and the limited-access Music Beta by Google is that iTunes Match doesn’t require you to upload all your music. Instead, iTunes Match scans your iTunes library and uploads only those of your songs that it cannot match with songs in the iTunes Store. For tracks that do match, iTunes Match simply connects them with Apple’s copies instead of uploading, saving you vast amounts of time and bandwidth during setup, and saving Apple vast amounts of storage space that would otherwise be wasted on millions of duplicate copies of “Sgt. Pepper’s Lonely Hearts Club Band.”

The other big advantage of iTunes Match is that matched tracks are provided to you at 256 Kbps AAC, in a DRM-free format. If you ripped much of your music from CD many years ago, it may be in 128 Kbps MP3 format or worse, so the iTunes Match versions of the songs may be of noticeably higher sound quality. Assuming that you’ll be able to keep these higher quality versions even if you allow your iTunes Match subscription to lapse in a year, $25 isn’t a bad price to pay for not having to re-rip numerous old CDs into modern encoding formats.

Once your library is either matched or uploaded, you can stream your music to your iTunes-authorized Macs running iTunes 10.5.1 or to your iOS devices running iOS 5.0.1. (On an iOS device, just turn on Settings > Music > iTunes Match.) iTunes 10.5.1 itself requires only Mac OS X 10.5 Leopard or later on a PowerPC- or Intel-based Mac, making it significantly more backwards-compatible than iCloud, which is available only for 10.7.2 Lion. iTunes 10.5.1 also runs on Windows XP SP2, Windows Vista, and Windows 7, which could be welcome for accessing your music library at work.

There are some caveats. First, if you have more than 25,000 songs in your iTunes library that were not purchased from the iTunes Store, iTunes Match won’t let you sign up at all (presumably you can fool it by creating a slimmed-down library). Second, iTunes Match won’t upload songs that are over 200 MB in size or that are encoded as AAC or MP3 with a bit rate lower than 96 Kbps. Third, songs in ALAC, WAV, or AIFF formats will be transcoded to temporary AAC 256 Kbps files before being uploaded, but the originals will remain untouched. All other unmatched content will be uploaded as is. Fourth and finally, DRM-shackled songs purchased outside the U.S. iTunes Store will not be matched or uploaded.

iTunes 10.5.1 is a 102 MB download; it’s not yet appearing in Software Update for me, and the Download link on its Apple Support Downloads page is currently incorrect. However, you can download it from the iTunes Download page, and it will undoubtedly appear in Software Update shortly.

Check out the Take Control ebooks that expand on the topic in this article:

In this FAQ-style ebook, iTunes expert Kirk McElhearn explains importing, tagging, organizing, playing, sharing, and more so you can get the most out of your audio, video, and book collections in iTunes 10. You'll also learn the best way to transfer media to an iPad, iPhone, or iPod. Covers iCloud and iTunes Match!

 

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Comments about iTunes 10.5.1 Unveils iTunes Match

They are not currently accepting new subscribers. I got a check back later message.
Adam Engst  An apple icon for a TidBITS Staffer 2011-11-14 23:05
Boy, Apple is having trouble here - first they miss the promised released month (October) and now they have to restrict signup. Clearly there's something that's really difficult about iTunes Match, or at least hard to fix after the fact.
Charlie  An apple icon for a TidBITS Supporter 2011-11-16 14:06
I experienced the same delay in setting up iTunes Match but I'm guessing that Apple was simply trying to manage their server loads. They probably felt that it was better to tell people they had to wait a bit (a few hours in my case) rather than starting the process hand having people experience significant delays or errors because of heavy first-day traffic – a better user experience, I think.
Kendall  2011-11-14 22:36
Wow, the Windows version (XP, if it matters) is half that size -- 51.09 MB.
Matt Gibson  2011-11-15 16:53
It was a 27.6MB download for me for the Mac -- I'm looking at the download details in Software Update as I speak -- so I wonder if the figure might be wrong in the article?
Adam Engst  An apple icon for a TidBITS Staffer 2011-11-15 20:16
When we publish download sizes, we go with the standalone download, since sizes in Software Update can vary depending on what you have installed. The standalone versions are almost always larger than what you'll see in Software Update.