Raspberry Pi Audio Over Hdmi

Audio configuration - Raspberry Pi Documentation

https://www.raspberrypi.org/documentation/configuration/audio-config.md#:~:text=The%20Raspberry%20Pi%20has%20up%20to%20three%20audio,or%20other%20speakers%20plugged%20into%20the%20headphone%20jack.

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raspbian - How to enable sound on HDMI? - Raspberry Pi ...

https://raspberrypi.stackexchange.com/questions/32717/how-to-enable-sound-on-hdmi

If you want sound over HDMI, config.txt should have both: hdmi_group=1. hdmi_drive=2. You need them both set because hdmi_group=1 tells the kernel we are using CEA mode (for TV's, has sound) instead of DMT mode(for monitors, no sound) and hdmi_drive=2 tells the kernel to use HDMI if available. (HDMI mode has sound, DVI does not.)

Raspberry Pi Documentation - Configuration

https://www.raspberrypi.com/documentation/configuration/audio-config.md

The Raspberry Pi Zero uses a mini HDMI port, so you will need a mini-HDMI-to-full-size-HDMI lead or adapter. On the Raspberry Pi 4 there are two micro HDMI ports, so you will need either one or two micro-HDMI-to-full-size-HDMI leads or adapters, depending on how many displays you wish to attach. You should connect any HDMI leads before turning on the Raspberry Pi.

RASPBERRY PI 3- PLAY AUDIO THROUGH HDMI - YouTube

https://www.youtube.com/watch?v=A6yhqafHJGU

Raspberry pi 3 No audio through HDMI - Forum - Raspberry ...

https://community.element14.com/products/raspberry-pi/f/forum/30257/raspberry-pi-3-no-audio-through-hdmi

This worked on Raspberry Pi 4 using noobs 3.2.0 on 8/9/2019 . Open a terminal . type: sudo leafpad . In leafpad click 'file' then click 'open' on the drop down menu . now click 'File System' Double click 'boot' Find the file 'config.txt' and open it . go down a few lines in 'config.txt' and find '#hdmi_drive=2' Remove the '#' so it reads 'hdmi_drive=2'