Hi,
I have the exact same issue: a fresh install of Fedora 33 on a brand new Intel nuc NUC8i3BEH plugged on a AOC monitor with a HDMI cable.
~ lspci -nnk | grep -iA3 "Audio"
00:1f.3 Audio device [0403]: Intel Corporation Cannon Point-LP High Definition Audio Controller [8086:9dc8] (rev 30)
Subsystem: Intel Corporation Device [8086:2074]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel, snd_soc_skl, snd_sof_pci
~ pactl list cards
Card #0
Name: alsa_card.pci-0000_00_1f.3
Driver: module-alsa-card.c
Owner Module: 6
Properties:
alsa.card = "0"
alsa.card_name = "HDA Intel PCH"
alsa.long_card_name = "HDA Intel PCH at 0xc0a20000 irq 138"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:1f.3"
sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "9dc8"
device.product.name = "Cannon Point-LP High Definition Audio Controller"
device.form_factor = "internal"
device.string = "0"
device.description = "Audio interne"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
Profiles:
input:analog-stereo: Entrée Stéréo analogique (sinks: 0, sources: 1, priority: 65, available: yes)
output:analog-stereo: Sortie Stéréo analogique (sinks: 1, sources: 0, priority: 6500, available: yes)
output:analog-stereo+input:analog-stereo: Duplex stéréo analogique (sinks: 1, sources: 1, priority: 6565, available: yes)
output:hdmi-stereo: Sortie Digital Stereo (HDMI) (sinks: 1, sources: 0, priority: 5900, available: yes)
output:hdmi-stereo+input:analog-stereo: Sortie Digital Stereo (HDMI) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 5965, available: yes)
output:hdmi-stereo-extra1: Sortie Digital Stereo (HDMI 2) (sinks: 1, sources: 0, priority: 5700, available: no)
output:hdmi-stereo-extra1+input:analog-stereo: Sortie Digital Stereo (HDMI 2) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 5765, available: no)
output:hdmi-surround-extra1: Sortie Digital Surround 5.1 (HDMI 2) (sinks: 1, sources: 0, priority: 600, available: no)
output:hdmi-surround-extra1+input:analog-stereo: Sortie Digital Surround 5.1 (HDMI 2) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 665, available: no)
output:hdmi-surround71-extra1: Sortie Digital Surround 7.1 (HDMI 2) (sinks: 1, sources: 0, priority: 600, available: no)
output:hdmi-surround71-extra1+input:analog-stereo: Sortie Digital Surround 7.1 (HDMI 2) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 665, available: no)
output:hdmi-stereo-extra2: Sortie Digital Stereo (HDMI 3) (sinks: 1, sources: 0, priority: 5700, available: no)
output:hdmi-stereo-extra2+input:analog-stereo: Sortie Digital Stereo (HDMI 3) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 5765, available: no)
output:hdmi-surround-extra2: Sortie Digital Surround 5.1 (HDMI 3) (sinks: 1, sources: 0, priority: 600, available: no)
output:hdmi-surround-extra2+input:analog-stereo: Sortie Digital Surround 5.1 (HDMI 3) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 665, available: no)
output:hdmi-surround71-extra2: Sortie Digital Surround 7.1 (HDMI 3) (sinks: 1, sources: 0, priority: 600, available: no)
output:hdmi-surround71-extra2+input:analog-stereo: Sortie Digital Surround 7.1 (HDMI 3) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 665, available: no)
output:hdmi-stereo-extra3: Sortie Digital Stereo (HDMI 4) (sinks: 1, sources: 0, priority: 5700, available: no)
output:hdmi-stereo-extra3+input:analog-stereo: Sortie Digital Stereo (HDMI 4) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 5765, available: no)
output:hdmi-surround-extra3: Sortie Digital Surround 5.1 (HDMI 4) (sinks: 1, sources: 0, priority: 600, available: no)
output:hdmi-surround-extra3+input:analog-stereo: Sortie Digital Surround 5.1 (HDMI 4) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 665, available: no)
output:hdmi-surround71-extra3: Sortie Digital Surround 7.1 (HDMI 4) (sinks: 1, sources: 0, priority: 600, available: no)
output:hdmi-surround71-extra3+input:analog-stereo: Sortie Digital Surround 7.1 (HDMI 4) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 665, available: no)
output:hdmi-stereo-extra4: Sortie Digital Stereo (HDMI 5) (sinks: 1, sources: 0, priority: 5700, available: no)
output:hdmi-stereo-extra4+input:analog-stereo: Sortie Digital Stereo (HDMI 5) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 5765, available: no)
output:hdmi-surround-extra4: Sortie Digital Surround 5.1 (HDMI 5) (sinks: 1, sources: 0, priority: 600, available: no)
output:hdmi-surround-extra4+input:analog-stereo: Sortie Digital Surround 5.1 (HDMI 5) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 665, available: no)
output:hdmi-surround71-extra4: Sortie Digital Surround 7.1 (HDMI 5) (sinks: 1, sources: 0, priority: 600, available: no)
output:hdmi-surround71-extra4+input:analog-stereo: Sortie Digital Surround 7.1 (HDMI 5) + Entrée Stéréo analogique (sinks: 1, sources: 1, priority: 665, available: no)
off: Éteint (sinks: 0, sources: 0, priority: 0, available: yes)
Active Profile: output:hdmi-stereo+input:analog-stereo
Ports:
analog-input-internal-mic: Internal Microphone (type: Mic, priority: 8900, latency offset: 0 usec, not available)
Properties:
device.icon_name = "audio-input-microphone"
Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:hdmi-stereo+input:analog-stereo, output:hdmi-stereo-extra1+input:analog-stereo, output:hdmi-surround-extra1+input:analog-stereo, output:hdmi-surround71-extra1+input:analog-stereo, output:hdmi-stereo-extra2+input:analog-stereo, output:hdmi-surround-extra2+input:analog-stereo, output:hdmi-surround71-extra2+input:analog-stereo, output:hdmi-stereo-extra3+input:analog-stereo, output:hdmi-surround-extra3+input:analog-stereo, output:hdmi-surround71-extra3+input:analog-stereo, output:hdmi-stereo-extra4+input:analog-stereo, output:hdmi-surround-extra4+input:analog-stereo, output:hdmi-surround71-extra4+input:analog-stereo
analog-input-mic: Microphone (type: Mic, priority: 8700, latency offset: 0 usec, available)
Properties:
device.icon_name = "audio-input-microphone"
Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:hdmi-stereo+input:analog-stereo, output:hdmi-stereo-extra1+input:analog-stereo, output:hdmi-surround-extra1+input:analog-stereo, output:hdmi-surround71-extra1+input:analog-stereo, output:hdmi-stereo-extra2+input:analog-stereo, output:hdmi-surround-extra2+input:analog-stereo, output:hdmi-surround71-extra2+input:analog-stereo, output:hdmi-stereo-extra3+input:analog-stereo, output:hdmi-surround-extra3+input:analog-stereo, output:hdmi-surround71-extra3+input:analog-stereo, output:hdmi-stereo-extra4+input:analog-stereo, output:hdmi-surround-extra4+input:analog-stereo, output:hdmi-surround71-extra4+input:analog-stereo
analog-output-headphones: Headphones (type: Headphones, priority: 9900, latency offset: 0 usec, available)
Properties:
device.icon_name = "audio-headphones"
Part of profile(s): output:analog-stereo, output:analog-stereo+input:analog-stereo
hdmi-output-0: HDMI / DisplayPort (type: HDMI, priority: 5900, latency offset: 0 usec, available)
Properties:
device.icon_name = "video-display"
device.product.name = "2460"
Part of profile(s): output:hdmi-stereo, output:hdmi-stereo+input:analog-stereo
hdmi-output-1: HDMI / DisplayPort 2 (type: HDMI, priority: 5800, latency offset: 0 usec, not available)
Properties:
device.icon_name = "video-display"
Part of profile(s): output:hdmi-stereo-extra1, output:hdmi-stereo-extra1+input:analog-stereo, output:hdmi-surround-extra1, output:hdmi-surround-extra1+input:analog-stereo, output:hdmi-surround71-extra1, output:hdmi-surround71-extra1+input:analog-stereo
hdmi-output-2: HDMI / DisplayPort 3 (type: HDMI, priority: 5700, latency offset: 0 usec, not available)
Properties:
device.icon_name = "video-display"
Part of profile(s): output:hdmi-stereo-extra2, output:hdmi-stereo-extra2+input:analog-stereo, output:hdmi-surround-extra2, output:hdmi-surround-extra2+input:analog-stereo, output:hdmi-surround71-extra2, output:hdmi-surround71-extra2+input:analog-stereo
hdmi-output-3: HDMI / DisplayPort 4 (type: HDMI, priority: 5600, latency offset: 0 usec, not available)
Properties:
device.icon_name = "video-display"
Part of profile(s): output:hdmi-stereo-extra3, output:hdmi-stereo-extra3+input:analog-stereo, output:hdmi-surround-extra3, output:hdmi-surround-extra3+input:analog-stereo, output:hdmi-surround71-extra3, output:hdmi-surround71-extra3+input:analog-stereo
hdmi-output-4: HDMI / DisplayPort 5 (type: HDMI, priority: 5500, latency offset: 0 usec, not available)
Properties:
device.icon_name = "video-display"
Part of profile(s): output:hdmi-stereo-extra4, output:hdmi-stereo-extra4+input:analog-stereo, output:hdmi-surround-extra4, output:hdmi-surround-extra4+input:analog-stereo, output:hdmi-surround71-extra4, output:hdmi-surround71-extra4+input:analog-stereo
~ pactl info
Server String: /run/user/1000/pulse/native
Library Protocol Version: 34
Server Protocol Version: 34
Is Local: yes
Client Index: 13
Tile Size: 65472
User Name: rene
Host Name: nuc-home
Server Name: pulseaudio
Server Version: 14.0-rebootstrapped
Default Sample Specification: s16le 2ch 44100Hz
Default Channel Map: front-left,front-right
Default Sink: alsa_output.pci-0000_00_1f.3.hdmi-stereo
Default Source: alsa_input.pci-0000_00_1f.3.analog-stereo
Cookie: 393d:a931
~ pulseaudio --check -v
I: [pulseaudio] main.c: Daemon running as PID 34760
~ pulseaudio -vv
I: [pulseaudio] main.c: setrlimit(RLIMIT_NICE, (31, 31)) failed: Operation not permitted
I: [pulseaudio] main.c: setrlimit(RLIMIT_RTPRIO, (9, 9)) failed: Operation not permitted
D: [pulseaudio] core-rtclock.c: Timer slack is set to 50 us.
D: [pulseaudio] core-util.c: RealtimeKit worked.
I: [pulseaudio] core-util.c: Successfully gained nice level -11.
I: [pulseaudio] main.c: This is PulseAudio 14.0-rebootstrapped
D: [pulseaudio] main.c: Compilation host: x86_64-redhat-linux-gnu
D: [pulseaudio] main.c: Compilation CFLAGS: -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -W -Wextra -Wno-long-long -Wno-overlength-strings -Wunsafe-loop-optimizations -Wundef -Wformat=2 -Wlogical-op -Wsign-compare -Wformat-security -Wmissing-include-dirs -Wformat-nonliteral -Wpointer-arith -Winit-self -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow -Wendif-labels -Wcast-align -Wstrict-aliasing -Wwrite-strings -Wno-unused-parameter -fno-common -fdiagnostics-show-option -fdiagnostics-color=auto
D: [pulseaudio] main.c: Running on host: Linux x86_64 5.9.10-200.fc33.x86_64 #1 SMP Mon Nov 23 18:12:50 UTC 2020
D: [pulseaudio] main.c: Found 4 CPUs.
I: [pulseaudio] main.c: Page size is 4096 bytes
D: [pulseaudio] main.c: Compiled with Valgrind support: no
D: [pulseaudio] main.c: Running in valgrind mode: no
D: [pulseaudio] main.c: Running in VM: no
D: [pulseaudio] main.c: Running from build tree: no
D: [pulseaudio] main.c: Optimized build: yes
D: [pulseaudio] main.c: FASTPATH defined, only fast path asserts disabled.
I: [pulseaudio] main.c: Machine ID is 7da5398a27ba4947be8ac29ae9a76c4e.
I: [pulseaudio] main.c: Using runtime directory /run/user/1000/pulse.
I: [pulseaudio] main.c: Using state directory /home/rene/.config/pulse.
I: [pulseaudio] main.c: Using modules directory /usr/lib64/pulse-14.0/modules.
I: [pulseaudio] main.c: Running in system mode: no
E: [pulseaudio] pid.c: Daemon already running.
E: [pulseaudio] main.c: pa_pid_file_create() failed.
I’ll take any suggestion gratefully