General > General Technical Chat
QR code storage in 60fps one hour video
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tom66:
Regular VHS has a bandwidth of about 3MHz.  If you were to do something like QAM you could probably manage 10Mbit/s with error correction and framing.  You might be able to go further but you would be pushing the Shannon limit pretty quickly I expect.

10Mbit/s is more than enough for a modern H.265 codec to do 1080p30, and may not even look too bad at 4K (some blocking, but hey, it's VHS!)
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