(See screenshot) That’s the frequency used by AC3. But what you actually want is to get the AC-3 audio from the AVI file straight out to the SPDIF digital out without your Mac doing any alterations (especially not a stereo downmix!)Īt the lower right, you want to set the Digital Out format to 48000.0 Hz. Once you install Perian, you will get playback but the sound will be stereo, or at best, some variation of Dolby Pro-Logic depending on what you set on the Perian preferences pane. Now in order to play that back on your mac, you need a bunch of codecs that are now conveniently packaged in a single downloadable package called Perian. So for the video you’ll probably use a divx or xvid codec and for the 5.1 audio you’ll use an AC-3 codec… and package all that into a nice AVI file. Now, what if you want to convert your DVDs to files on your terrabyte harddrive? (Private use copy is legal here but I can’t tell you about your country). If still not, the problem is either the cable or the mode selected on your receiver :p If not, remove any DVD from the drive, then launch the DVD player app (not Front Row), go to Settings and tell it to output the DVD sound directly to the digital output instead of using the Mac Mini sound processing system. Once you make that connection, there is one thing you should be able to do immeditately: play back DVDs in 5.1 Dolby Digital (or DTS or whatever surround track is on the DVD). On most (fairly recent) macs, an SPDIF fiberoptic cable will be the best solution to get the digital 5.1 signal from your mac to your home theater equipment. In my case I have an Intel Mac Mini from 2006 hooked up to a Denon AVR-3801 via a fiber optic S/PDIF connection.
#A52CODEC FOR MAC FOR MAC#
So your hooked up your Mac to your 5.1 receiver and all you get is lousy stereo? Worry no more, decent AC-3 support is finally available for Mac OSX!
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