There is no hardware volume control when you use ac3 pass through SPDIF
the volume is controlled by your AC3 digital receiver
index: 2
name: <alsa_output.pci-0000_00_14.2.iec958-ac3-surround-51>
driver: <module-alsa-card.c>
flags: HARDWARE DECIBEL_VOLUME LATENCY
state: RUNNING
suspend cause:
priority: 9958
volume: front-left: 65536 / 100% / 0,00 dB, front-right: 65536 / 100%
/ 0,00 dB, rear-left: 65536 / 100% / 0,00 dB, rear-right: 65536 / 100% /
0,00 dB, front-center: 65536 / 100% / 0,00 dB, lfe: 65536 / 100% / 0,00 dB
balance 0,00
base volume: 65536 / 100% / 0,00 dB
volume steps: 65537
muted: no
current latency: 96,00 ms
max request: 54 KiB
max rewind: 0 KiB
monitor source: 4
sample spec: s16le 6ch 48000Hz
channel map:
front-left,front-right,rear-left,rear-right,front-center,lfe
Surround 5.1
used by: 1
linked by: 1
fixed latency: 96,00 ms
card: 2 <alsa_card.pci-0000_00_14.2>
module: 8
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = ""
alsa.id = ""
alsa.subdevice = "0"
alsa.subdevice_name = ""
alsa.device = "0"
device.string = "a52:0"
device.buffering.buffer_size = "55296"
device.buffering.fragment_size = "18432"
device.access_mode = "mmap"
device.profile.name = "iec958-ac3-surround-51"
device.profile.description = "Surround numérique 5.1
(IEC958/AC3)"
device.description = "Audio interne Surround numérique 5.1
(IEC958/AC3)"
alsa.card = "0"
alsa.card_name = "HDA ATI SB"
alsa.long_card_name = "HDA ATI SB at 0xf9ff4000 irq 16"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:14.2"
sysfs.path = "/devices/pci0000:00/0000:00:14.2/sound/card0"
device.bus = "pci"
device.vendor.id = "1002"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
device.product.id = "4383"
device.product.name = "SBx00 Azalia (Intel HDA)"
device.form_factor = "internal"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
4 source(s) available.
** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1482411
Title:
Pulseaudio set Kodi sount to 1% each time I change video
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