Interesting point about CD+G. I think whatever format was used needs to take this into account.
There were also a ton of Audio CDs that were not CD+G but had a data track with the music video etc on them.
I worked on a horrible one for Sony, one of those ones with all the anti-rip protection on it, where I was tasked to build a binary blob for a web site that detected if the specific audio CD was in your drive and let you into the web site. What were those things called, ActiveX?
Sony had plenty of awful stuff at different times for audio CDs, despite being a co-developer of this wildly-successful and long-lasting format.
I think you're referring to ActiveX, yes. It's the only thing I can think of where "web" stuff and "hardware" stuff commingled back then in a semi-transparent way.
Anyway, I'll just assume that you aren't the rootkit guy -- or even if you are, that your heart is in the right place.
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And yes, CD+G is is important. As are the mixed-mode releases with video. All things CD audio are important if we are to talk about an ideal archival (and playback!) format for audio CDs, and archiving an audio CD is not always quite as simple as ripping a folder of FLACs -- there's a ton of diversity here that FLAC (and cue) can't accurately embody.
We're fortunate that we still have so many CDs right now, and that they're still being sold today. This will change. (It must change. It can't not change.)
The good folks working on the Domesday Duplicator have a relatively uphill battle for the often-older (and often rotting) LaserDisc media that they're working on tools to properly preserve.
It would be good to get ahead of the curve and get something with a practical workflow working sooner instead of later.
There were also a ton of Audio CDs that were not CD+G but had a data track with the music video etc on them.
I worked on a horrible one for Sony, one of those ones with all the anti-rip protection on it, where I was tasked to build a binary blob for a web site that detected if the specific audio CD was in your drive and let you into the web site. What were those things called, ActiveX?