![]() One interesting difference between this board and the Pi is that the AllWinner chip also provides an SPDIF output, and this has been brought out to a GPIO pin on the board. I have used a similar onboard codec on a different AllWinner based board and I have been pleased with the sound quality (but again have not done any actual quantitative testing). The chip's 24/192 codec means that you don't need to add a DAC, although I have yet to test the output for audio performance. On paper this seems to be roughly equivalent to the Pi 3 in terms of processing power, however, the AllWinner chip includes onboard audio, and FriendlyArm's board brings out the DAC lines to a headphone jack. This uses the four-core A64 chip from Allwinner. One that recently caught my eye was the NanoPi A64 by FriendlyArm. ![]() It seems that every month or two a new flavor of single board computer (SBC) is launched.
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