Orange pi Zero 2W no sound from HDMI

No sound from HDMI. I check everything. Playback seems fine but no sound over HDMI. But when same display is driven by the laptop and sound can be heard over HDMI. What could be the issue?

Did you set HDMI as output in the audio options in dietpi-config?

Hello Jappe and Orangehead

@Orangehead you must apply the script mentionned in my post
"No sound card detected … "

What return the command

aplay -l

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yes I did

Hello both

It’s not enough, you must enable the output in the dtb file

What return aplay -l ?

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ok. I will get back to you soon