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I2S MCLK = BITclock frequency - interpretation

Hi guys,

I try to to feed my wondom DSP with the I2S out of my hifiberry dac+ pro, to no avail. Yesterday I measured the DAC+ Pro I2S Pins (https://support.hifiberry.com/hc/en-us/articles/205711451-DAC-Pro-connect-external-I2S-DACs) with an oscilloscope and got:

MCLK: 24.5xxx MHz, Bitclock: 24.5xxx MHz, FrameClock: 384kHz

Playing Mephisto's Waltz Excerpt #2 at 44.1 kHz from https://www.lessloss.com/steinway-sons-grand-piano-recording-p-202.html

Can someone try to help me interpreting these measurements?

According to the formulas (https://support.hifiberry.com/hc/en-us/articles/205711451-DAC-Pro-connect-external-I2S-DACs) I would have expected the Masterclock to be 22.5xx MHz, Bitclock to be 32/64*44.1 kHz and the Frameclock to be 44.1 kHz.

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