(Solved - user error )Osmc leia no audio with usb dac digital card

Hi

running kodi version 4.14.34-1-osmc

lsusb
audio

Bus 001 Device 005: ID 08bb:2704 Texas Instruments Audio Codec

aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: DAC [USB Audio DAC], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0

I do not get sound - only crackle out of osmc

audiosetting:
spdif with paththrough

speaker-test is running for speaker-test -t wav -c 2 -d iec958:CARD=DAC,DEV=0

kodi log here:

any idea?

raspotify if running with audio:
stopped it to avoid conflic with kodi

logfile:
https://paste.osmc.tv/obuxikepir

thanks a lot