Looks like OOK. I would start by measuring the length of the pulses and try and figure out how many different types there are. https://en.wikipedia.org/wiki/On-off_keying …
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Tämä twiitti ei ole saatavilla.
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Well, for what it's worth, I'm trying to figure out the IR protocol used by the VTech VSmile Baby edutainment console's controller. Here's an archive of scope traces: https://github.com/bmx/vsbaby/tree/master/keys …
Here's what I know: The IR ends up getting decoded into two bytes transmitted to the console's serial UART. The second byte always has the MSB set. The controller always sends a second 16-bit word after the first 16-bit word for an event (the '1' images are the first, '0' second)