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Linear PCM, most likely. It's just raw audio, uncompressed. There's an audio codec (Linear PCM or w/e), there's a video codec (Cinepak), and they both share space in a container (QuickTime .mov). This relationship holds for all video file formats that I'm aware of since the 90s.

 Well, I don’t have any retro Macs to check with me, as I’d indicated before that i am traveling.  Although looking at the link from the Apple support forums, it appears that the Cinepak option might be buried behind a contextual export preference in 10.6, maybe even 10.4. I have definitely...

No, it doesn’t get in the way of export. It is more for importing video that QuickTime cannot normally handle. Cinepak was a QuickTime export option up until Snow Leopard; https://discussions.apple.com/thread/2302725 Have I mentioned that I like 10.5 far more than 10.6? Little things like this...

I have just subscribed to your blog, and I'm really looking forward to having a HyperCard that I can run as a curiously black and white app in modern OS wrappings.  :)  Photoshop 1.0 looks great, too.

Perian is for playback and import of more media types beyond the stock ones in QuickTime. It was more attacking the problem from the standpoint of getting media into QuickTime (the framework, far beyond the player) and then finding some way through QuickTime's aging Carbon/Mac-Toolbox interiors...

fwiw, the once popular Perian plugin for QT7 was largely based on ffmpeg, as you can see in its source code. It's solid. Otherwise agg24 beat me to it.  :)  The script you posted was written for Windows, easiest tell is that it's looking for an "ffmpeg.exe". Only thing I'd add is fairly stock...

I suspect that, armed with Perian and QuickTime 7 Pro or earlier, or some other version of QuickTime that could write media to QT3 compatible codecs and containers, this would be possible. QuickTime 7 Pro licenses may no longer be for sale, but Mac OS X does silently upgrade QT7 to the Pro...

Of problems that I've had with peripherals, one is having up to date drivers (one for the Asante Mac Con is reported to work under System 7.5.5 over here), and the other is if the PSU has enough power to address all the peripherals in the case. There was an aftermarket for SE/30 power supplies...

What do you need a workaround for? A Mac IIsi should work fine with the stock System 7.5.3 and 7.5.5 update. I've never had to ResEdit my way through System 7.

It's tricky to get up and running, no doubt. Knowing that trick about holding down shift to boot without extensions helps out a bunch with getting out of some System 7 jams. There are some updates that change the System file and other bits, though, so it's not that easy there. Probably the...

I'd followed that guide more than ten years ago, but I wasn't trying to highlight the guide. You had said you had trouble with an update for 7.5.5 and OpenTransport, and that site has links to both directly from Apple's servers, rather than a third party site with repackaged binaries. If the...

Have a look at Tyler Sable's old site, some of the old links to Apple still work. The System 7.5.5 update and OpenTransport 1.1.2 for System 7.1+ are still there; https://www.fenestrated.net/mac/755/ Probably not a bad idea to mirror them elsewhere, for practical reasons.

I agree that it's strange, but I've had a totally different bucket of issues with G4e ZIFs, enough to give up and replace it later with a cheaper, more stable G4 ZIF @ 500 MHz. A bad RAM issue would easily manifest in the virtual memory hungry Mac OS X, Mac OS 9 doesn't really exercise that...

Three beeps usually implies something's wrong with your RAM. I don't think 9.2.2 works on that machine, or at least not unless it's a hacked version. The Aluminum PB was one of those machines that shipped with a Classic setup CD-ROM and Panther or Tiger. Still works great with Leopard, that's...

I agree. RISC-V is about where ARM could have gone, if it wasn't for the IP issues and licensing. Which likely got more complex after Softbank swallowed ARM whole. We'll see. It's early enough in its hype cycle that my enthusiasm is extremely tempered at the moment.  ;-)

This support document does a good job of laying out the situation; https://support.apple.com/en-us/HT208436 Unless there's an unprecedented about face in the next iteration after Mojave, all signs point to "yes".

The biggest problem with the ARM ISA has been, and will likely continue to be, that Apple has an impossible to acquire license to make their own variants on the design, and Apple appears to make the best ARM chips. Which is a nicer way of saying that stock, unmodified ARM is not really that...

Mostly chiming in as a bystander to it all. Raptor Computing Systems is indeed the POWER9 workstation company, and they're about to ship a $1k-ish MSRP mini ATX variant of the Talos II called the Blackbird next quarter. I'm eager to get my hands on one as I've been really curious about POWER9...

Addressing this a bit more on the nose, StuffIt 5 (1998) was when the format changed a fair bit, and most files you'll find on the internet that are ".sit" files are probably StuffIt 5 files. Before then, StuffIt files were dependent on resource forks that weren't particularly friendly to...

I didn't see you share this, but I would like to add. Seeing this portability layer run on Haiku is very cool: https://mace.software/2019/02/26/progress-on-haiku-port/ Be the Mac OS you wish to Be?  :D