sound does not work on RPi4

instalo la ultima version de libreelec y al entrar no hay audio, reproduzcoun video y no hay audio,

¿alguna solucion?

english:

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I install the latest version of libreelec and when entering there is no audio, play video and no audio, any solution?

I install the latest version of libreelec and when entering there is no audio, play video and no audio, any solution?

I have installed the latest version of libreelec on a rapsberry pi4, when starting the rapsberry pi, there is no sound, when playing a video there is no sound, I connect the headphones and it does not sound either. I have also installed rapsbian and it doesn't sound. I don't know if something has to be done in the config.txt to make it work. In a pi3 doing the same installation procedure works perfectly. If anyone can give me any solution I would appreciate it

I do not have AVR, I connect to the TV via micro HDMI cable, I have not used any audio settings, the ones you come by default when installing the libreelec image. the tv is smart tv phillips 4k.

putting it in that port there is no video signal, there is only video through the other port. What configuration should i put?

Thank you very much, it works, I would not put the micro hdmi well and that is why I was not going