Hello, I'm trying to do the same thing so I ran the code you posted above but it doesn't recognize the button being released. Is it possible for you to post the final code?

Pierre

I tried recording sound from a phone using the 3.5to3.5mm cable but still no luck. It doesn't record anything.

Hello, I've been trying to use this USB Audio card: https://http2.mlstatic.com/tarjeta-de-sonido-usb-71-con-control-de-volumen-D_NQ_NP_904044-MCO31004989404_062019-F.webp as sound output and input. I followed this tutorial: https://www.raspberrypi-spy.co.uk/2019/06/using-a-usb-audio-device-with-the-...