Some TV stations broadcast the sound signal exclusively in stereo format. This means that the EFFEKT speakers do not receive a signal and therefore remain silent. To ensure that all boxes receive a signal, please activate the Upmix option in the receiver / soundbar.
With the Upmix function activated, the system also calculates the necessary signals for the EFFEKT boxes and thus creates a full surround sound.
Possible Upmix settings are:
DPL II – Dolby Pro Logic II
Direct – stereo on all channels
Off – pure stereo sound (no signal via EFFEKT speakers)