no audio on some channels

[acccount]

Strangely, there is no audio on various channels, particularly the E*S*P*N sports channels
All other channels are working normal, just no audio on these.
I'm using iptv66 and StbEmu, I've tried different players without any change.

Any ideas?

[acccount]

Kept playing with the different settings and by switching to the LJK player, the audio is working. Problem solved.