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RPi 3 with Digi+ pro and I2S has noise with HiRes-files

Hi,

when i play files with 176,4 Khz/24 bit (with volumio) i hear some noise like i know from a vinyl (crackles). When i move the Digital Data-cables a little, then the noise gets worse. With other sampling rates (e.g. 88.2/24 bit, CD..) there is no problem (never tried 192 Khz/24bit).

Maybe the cables are too long (ca. 17cm)? or other reasons?

Thanks, mario

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