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Debian-Pi-Aarch64
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Update README.md

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@ -1206,6 +1206,15 @@ amixer cset numid=3 2
## The default setting is 0, which represents automatic selection.
```
After you have finished modifying your audio settings, you need to restart your Raspberry Pi in order for your changes to take effect.
**If you're still not getting sound via HDMI:**
In some rare cases, it is necessary to edit config.txt to force HDMI mode (as opposed to DVI mode, which does not send sound).
You can do this by editing **/boot/config.txt** and setting **hdmi_drive=2** , then rebooting for the change to take effect.
### 3-12. 32-Bit Software Armhf Support
```