Current version of the OpenAuto Pro is 9.0
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Default audio device
Default audio device was disabled to not interfere with external sound devices (like USB sound cards). In order to reenable it you must edit two files below

1. /boot/config.txt
Remove or comment line (add # at the beginning of the line) "dtparam=audio=off"

2. /boot/config.txt
Add line "dtparam=audio=on"

3. /etc/modprobe.d/raspi-blacklist.conf
Remove line "blacklist snd_bcm2835"

To configure audio devices you can use PulseAudio Volume Control tool. The tool is available in Start Menu -> Sound & Video -> PulseAudio Volume Control. Also please be aware that OpenAuto requires microphone input to work properly.

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