5.1 surround output via optical output
#46
(2021-08-01, 14:04)anarchotaoist Wrote:
(2021-06-19, 17:07)kevwag Wrote:
(2019-10-11, 20:29)fritsch Wrote: Set PCM Settings to Stereo 2.0

Hello All!
I have scrolled this forum but am none the wiser!
I have a Bee-link GS-King X running Coreelec with a spdif cable to my Audiolab amplifier.
The volume is only a 10th of what it should be - compared to my previous Vero4k OSMC box.
Volume is at full ball on the amp but only just audible.
Help please!
Where are the PCM settings?

If you're using CoreElec then all the audio settings are done from within Kodi, there are no eternal settings to worry about like there are in android.

Go to;
Settings>>System>>Audio
At the top of the page there's a setting to select the audio device, check the correct output is selected, I think the default is analogue unless the box detects an HDMI connection, either way you need to change it to spdif. None of them will be actually called spdif, you need the one that says PCM but does not have analogue in brackets before the PCM part. On my box it's called "ALSA: AML-MESONAUDIO, PCM".

Once that's correctly set, set channels to 2.0 then scroll down, turn on "Allow Passthrough" and enable whichever codecs are supported by your amp.
If you want surround sound even when the stream only has 2 channel audio then you can either use your amp to do it if it has Dolby Pro Logic / DTS Neo OR you can configure Kodi to do it by enabling Dolby Digital (AC3) transcoding AND Stereo upmix on the same settings page.

If all that's configured properly and your volume is still too low then your only other option is to use the boost / amplification setting that's only accessible when you are playing a video. Start a video playing, click the settings icon, select audio and it's the second setting from the top. Once boosted to the volume you want, check the bottom setting to use these settings for all media.

Note: the boost setting is usually unavailable if you're using passthrough mode but hopefully you won't need to use it. I'm 80% sure that your problem is caused by the wrong audio device being selected. Boost is a workaround, not a fix so it should be considered a last resort measure.
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RE: 5.1 surround output via optical output - by kevwag - 2021-08-01, 18:26
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