Hi,
I was thinking of using multiple DAC+ DSPs as a 4 channel active crossover with dual toslink outputs. Is this possible? That way I can choose my external DACs / amps. In fact you could create this without a DAC stage. Just stream the DSP(s) outputs to the Toslink outputs.
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3 comments
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HiFiBerry team While teoretically you could do this, you would have to use multiple Pi's for this.
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David C. Snyder It seems like clock sync would be tricky for something like this. I think most people use audio interfaces with 4+ output channels. There are a number of these in the pro audio world.
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Jvburnes Dave,
After several days of searching for every possible solution, I think you're right. A number of people in the active DSP world are converging on various kinds of pro-audio solutions like the Motu Ultralite MK4. I think it's almost a necessity since that kind of clock sync only really exists in the pro-audio matrix switching / routing world.
I would just stick with something like a miniDSP 2x4 HD, but I'm not sold on the quality of their DAC implementations. While the MK4 only has analog (and limited digital) I/O, their Sabre 32 Ultra implementation is pro-grade (perhaps Motu 8a?). MiniDSP does have a device with digital only output channels, the jitter is incredibly high -- probably a result of trying to sync clocks with external DACs.
Also I think the USB audio interface brings other obvious functions like analog in for situations when I want to record and when I want to use an analog FX loop like a tube buffer.
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