Figure 7 Sound card and codec verification with aplay -l command output
It shows that the default soundcard is “snd_rpi_merus_amp” with “ma120x0-amp-0” codec referring to the
Infineon MA120x0P class D amplifier series.
12. Always make sure you have the latest update on your Raspberry Pi by typing the command line:
sudo apt update
and then:
sudo apt full-upgrade
When the process is finished, reboot the system.
4.1.2 MERUS
TM
custom kernel building (optional for advanced users)
A custom kernel building of the Raspbian kernel source is possible with the the MERUS
TM
audio amp HAT drivers.
This method allows the user to make modifications not only to the drivers but also to the kernel source while
maintaining compatibility with the last kernel version. This procedure is covered in [2].
4.2 moOde audio player
4.2.1 Official moOde audio player method
In order to install moOde audio player with the MERUS
TM
Raspberry Pi drivers for, the following procedure
should be applied on a Windows, macOS or Linux computer:
1. Download the moOde audio image file from this link.
2. Download balenaEtcher (or any other SD card image burner) from this link and open it.
3. Insert your SD card in the host machine and flash the downloaded moOde audio image file to the card.
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