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What is LPCM - Linear Pulse Code Modulated Audio
https://www.appgeeker.com/audio/what-is-lpcm.html
LPCM is a lossless audio coding that delivers CD quality sound, so it occupies huge disc space. LPCM is used to transmit uncompressed digital audio information via HDMI (High-Definition Multimedia Interface). Note: The principle for LPCM and PCM are the same except in sample rate and quantization precision.
[LINUX] HOW-TO get multi-channel HD sound output working ...
https://forum.kodi.tv/showthread.php?tid=59877
Note that with pulseaudio we loose passthrough as it is not supported yet by pulseaudio. But as we have multichannel lpcm sound we can just decode the streams and pass it in lpcm format to the receiver. We can do a little testing if xbmc really uses pulseaudio nativly or not. Install pulse audio volume control utility.
audio - How do I configure PulseAudio for 7.1 Surround ...
https://unix.stackexchange.com/questions/111428/how-do-i-configure-pulseaudio-for-7-1-surround-sound-over-hdmi
In PulseAudio, each sound card has a profile set associated with it. A profile set contains multiple profiles, and those are the profiles that you see when listing the cards (or when looking in the various PulseAudio GUIs). There is a default profile, which primarily contains things useful for analog sound output.
How to acheive LPCM output over HDMI | AVS Forum
https://www.avsforum.com/threads/how-to-acheive-lpcm-output-over-hdmi.1102420/
Also, pulseaudio is a sound server -- it still has to go through alsa to get to the hardware, and since the alsa driver doesn't support 6 channel LPCM, then you're out of luck for now. Save Share Reply
Talk:PulseAudio - Official Kodi Wiki
https://kodi.wiki/view/Talk:PulseAudio
Talk:PulseAudio. Cleanup Pulseaudio references so they all refer to one thing only, e.g not PA/Pulse. Fix table of supported formats (we should include all formats that xbmc supports and mark them as not supported and or limitation, so there is …
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