I would start with rpi-buildroot and build up from there. If you have low latency audio questions feel free to email me.<p><a href="https:&#x2F;&#x2F;github.com&#x2F;gamaral&#x2F;rpi-buildroot" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;gamaral&#x2F;rpi-buildroot</a>