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Bookmark or Share- Dolby Digital Plus (DD+) / Atmos over HDMI ARC - AVS ForumThis means, an ARC source (TV) can determine which audio formats are understood by the ARC receiver (AVR, Soundbar), while an SPDIF source can just try and send stuff and hope for the best. Mainly for this reason, SPDIF is usually limited to the 48 kHz realm (DD, DTS and stereo PCM), and often can not support the 96 and 192 kHz formats (96 kHz ...
- ARC connected but no audio (resolved!) - AVS ForumSetup TV for ARC audio + control; Setup receiver for ARC audio + control; When I turn on/off the TV, the receiver is automatically turned on/off as well and when I control the volume on the TV, the volume indicator on the receiver goes up/down. So, power/volume control via HDMI/ARC appear to working correctly.
- Marantz ARC Not Working - AVS ForumA while back I was using this Black Friday Samsung receiver for my home theater. It was not anything serious, but it got the job done. With that, I was able to connect one HDMI from my Sony 4K's ARC designated port, to the ARC designated output on the Samsung receiver. The TV would then send all the sound to the receiver and it worked flawlessly.
- HDMI ARC problems with Pioneer Receiver and Samsung...ARC/CEC is a problem for a lot of folks because of the inconsistent way ARC is implemented across various mfrs. All of your devices need to be ARC capable for it to work so check to see if that is true. If it is, and you still can't get a single remote to work, then I would disable ARC on all of your devices and try a programmable remote.
- HDMI ARC issues with Samsung Tv and Onkyo Reciver.ARC is still quite often associated with CEC (same chipsets) so issues with CEC can and will affect ARC. CEC is not a standardized option so the device mfrs are free to implement however they choose to do so, which quite often creates incompatibilities and inconsistencies.
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