It's realtime raspbian. Headless ardour (lua implementation). A mix of guitarix and other amp sims. Proprietary cab sim IRs. Various other effects packages like rkr, ardour-native plugins.
Person speaks to alexa, alexa calls a series of lambdas (basically the not-yet-public API), and sends MQTT messages to the device which is tied to the user's Thingamagig account which is linked to their Alexa account.
It's realtime raspbian. Headless ardour (lua implementation). A mix of guitarix and other amp sims. Proprietary cab sim IRs. Various other effects packages like rkr, ardour-native plugins.
Person speaks to alexa, alexa calls a series of lambdas (basically the not-yet-public API), and sends MQTT messages to the device which is tied to the user's Thingamagig account which is linked to their Alexa account.
https://github.com/raspberrypi/linux/tree/rpi-4.19.y-rt
Let me know if you have any other questions.