11-Jul-2015, 19:42
(11-Jul-2015, 18:41)Dr Tone Wrote:(11-Jul-2015, 12:01)Antoine Wrote: No it isn't straightforward, it's not possible. The DAC inside the Devialet (TI PCM1792A) doesn't support anything higher than DSD64 (sample rate of 2.8224 MHz). So if Devialet would implement support for DSD128 it would mean they're down sampling.
http://www.ti.com/lit/ds/symlink/pcm1792a.pdf
DSD64 would be converted to PCM for all Devialets DSPing long before it needs to be converted to analog. So In theory DSD128 should be possible as long as it has the power to do the PCM conversion on it.
Yes you're right, forgot about the conversion for DSP purposes. Also converting it back to DSD after the DSP stage seems unlikely so I guess it should indeed be possible as long as there's enough processing power in the FPGA.
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