We have collected the most relevant information on Pulseaudio Supported Formats. Open the URLs, which are collected below, and you will find all the info you are interested in.
PulseAudio: Sample Format Specifications
https://freedesktop.org/software/pulseaudio/doxygen/sample.html#:~:text=%20PulseAudio%20supports%20the%20following%20sample%20formats%3A%20,6%20PA_SAMPLE_ALAW%20-%208%20bit%20a-Law.%20More%20
PulseAudio - LinuxReviews
https://linuxreviews.org/PulseAudio
These files will either say eld_valid 0 if the HDMI connection does not support audio OR list a lot of information about the device, specially if it is a AV receiver where the file will indicate what sample rates are accepted, what encoding formats (PCM, LPCM, AC-3, DTS, E-AC-3/DD+, etc) and so on are supported. PulseAudio can do Audio over Network
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