Home > Arduino, Code > Reading Buffalo II SPDIF Sample Rate

Reading Buffalo II SPDIF Sample Rate

October 15, 2010 Leave a comment Go to comments

I have implemented reading the DPLL register in Buffalo II DAC. Shown in the photo is the sample rate in Hz for a 44.1K SPDIF signal. Previously I had used TPA’s AC-1 prototype to read the sample rate as shown in this post. As expected the results are exactly the same.

In this implementation the sample rate is read/updated once every two seconds, but this is configurable in the code. The new version of the code has been posted here.

  1. DoubleAA
    October 15, 2010 at 16:34

    Very cool and many thanks for this particular post. It’s all starting to slowly come together for me. Thanks again!

  2. Hifiduino
    October 15, 2010 at 20:55

    You are welcome. It was my first time trying to read a register. I made the mistake of specifying the register addresses in hex (instead of decimal) so I was reading registers that would return zero.

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