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Create voice3aplushack.md #582

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Commits on Feb 21, 2019

  1. Create voice3aplushack.md 

    11-16-18 AIY image is the latest image, and the only image late enough to support the new 3A+ released also in November 2018. Unfortunately that particular image, I've encounter many audio playback issues, some microphone issues also. There would be no sound which I suspect has something to do with pulseaudio that was introduced with August 2018 AIY image. The most recent AIY image that worked as expected was 4-13-18, but unfortunately does not support futureware 3A+. 3A+ would not boot unless with November 2018 the latest AIY image.

Therefore I experimented by downloading the most recent Raspbian image from raspberrypi.org 11-13-18 to ensure that 3A+ would boot. From there I followed the hacking.md guide from google/aiy-raspbian to proceed to add setup AIY voice with src files from 4-13-18 the version that did not include pulseaudio and worked fine. Along with minor changes to configuration files as you will see.

My experiment worked. 3A+ was able to boot, play audio from the v1 voice hat.

I suspect pulseaudio to be the culprit. Additionally, the script folder with install-alsa and install-services with asound.conf seem to disappear from the most recent image. These were found in the 4-13-18 AIY image src/scripts.

Happy hacking!
    @andrewtvuong
    andrewtvuong committed Feb 21, 2019
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