Polyphonic Sound - Audio from Scratch - Part 6

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James Sharman
Published at : 03 Jan 2021
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There was already groundwork in place to add a second channel so the circuitry here is quite straightforward. Much of it is a copy so I opted to make the schematic as well and tried to sync the two up, that wasn't quite as successful as I'd hoped but it should save some additional replication when I get to pcb design.

The programming for two channels was a bit more interesting and I hope the results speak for themselves. Most regular viewers would have seen my Christmas music demo already, in my rush to create that I forgot to record an introduction, so this intro was created after everything else.


The schematic ended up a bit cramped, I'll space that out a bit before you see it again (and replace the output enable line I deleted by accident).
ComputingElectronicsBreadboard

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