Rogue Amoeba has released Airfoil 4.8.8, a small but important update to the audio transmission utility. The release addresses several changes that Apple made to its Gatekeeper system and restores compatibility for those running (the as-yet-unreleased) OS X 10.9.5 Mavericks and later. Additionally, update improves how it filters its background processes for the Source pop-up menu, restores the capability to capture Text to Speech audio, and provides relevant track titles to Nicecast when using Airfoil Speakers. ($25 new with a 20 percent discount for TidBITS members, free update, 14.9 MB, release notes, 10.7+)
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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