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RE: Interesting new USB2/3 dac

To make this exercise worthwhile it going to be desirable to import the clock that's in the I2S DAC to the USB/I2S converter, i.e. the clock will have to go from the DAC to the Musiland and the data from the Musiland to the DAC. Depending on the clock rates, this may not be straightforward, either in terms of modifying the Musiland or in terms of getting the DAC data synchronized to the DAC clock due to transmission time on the cable.

If the clock signal goes in the opposite direction then any jitter on this line is going to make it into the DAC circuitry. (How much this matters to the output is debatable as the SABRE chip has a good ASRC capability. I don't know if ASRC is enabled in fmak's DAC.)





Tony Lauck

"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar

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