Public bug reported:
Hello!
I'm not really sure if is pulseaudio of bluez issue.
Playback (from Gnome Settings sound test and Firefox), volume change,
mute/resume is delayed for 2sec or bit more. I've verified this on two Ubuntu
20.04 laptops.
To verify the AV receiver, I've paired MBP 2019 with OS X Catalina
10.15.7 and there are no audible delay.
Here is sink information:
* index: 16
name: <bluez_sink.00_05_CD_DF_C4_DD.a2dp_sink>
driver: <module-bluez5-device.c>
flags: HARDWARE DECIBEL_VOLUME LATENCY
state: RUNNING
suspend cause: (none)
priority: 9550
volume: front-left: 46512 / 71% / -8,93 dB, front-right: 46512 /
71% / -8,93 dB
balance 0,00
base volume: 65536 / 100% / 0,00 dB
volume steps: 65537
muted: no
current latency: 56,81 ms
max request: 4 KiB
max rewind: 0 KiB
monitor source: 18
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 1
linked by: 4
fixed latency: 48,22 ms
card: 17 <bluez_card.00_05_CD_DF_C4_DD>
module: 45
properties:
bluetooth.protocol = "a2dp_sink"
device.description = "Denon AVR-S650H"
device.string = "00:05:CD:DF:C4:DD"
device.api = "bluez"
device.class = "sound"
device.bus = "bluetooth"
device.form_factor = "speaker"
bluez.path = "/org/bluez/hci0/dev_00_05_CD_DF_C4_DD"
bluez.class = "0x240414"
bluez.alias = "Denon AVR-S650H"
device.icon_name = "audio-speakers-bluetooth"
ports:
speaker-output: Speaker (priority 0, latency offset 0 usec,
available: yes)
properties:
active port: <speaker-output>
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
Uname: Linux 5.8.5-050805-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.9
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: bogdan 82720 F.... pulseaudio
/dev/snd/controlC1: bogdan 82720 F.... pulseaudio
/dev/snd/controlC0: bogdan 82720 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read
kernel buffer failed: Operation not permitted
Date: Tue Oct 13 13:46:35 2020
InstallationDate: Installed on 2020-08-05 (68 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Denon AVR-S650H
Symptom_Type: None of the above
Title: [Denon AVR-S650H, playback] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/02/2020
dmi.bios.release: 2.1
dmi.bios.vendor: HP
dmi.bios.version: S79 Ver. 01.02.01
dmi.board.name: 8730
dmi.board.vendor: HP
dmi.board.version: KBC Version 13.1C.00
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.ec.firmware.release: 19.28
dmi.modalias:
dmi:bvnHP:bvrS79Ver.01.02.01:bd07/02/2020:br2.1:efr19.28:svnHP:pnHPProBook455G7:pvr:rvnHP:rn8730:rvrKBCVersion13.1C.00:cvnHP:ct10:cvr:
dmi.product.family: 103C_5336AN HP ProBook
dmi.product.name: HP ProBook 455 G7
dmi.product.sku: 2D242EA#ACB
dmi.sys.vendor: HP
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal wayland-session
** Package changed: alsa-driver (Ubuntu) => pulseaudio (Ubuntu)
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https://bugs.launchpad.net/bugs/1899619
Title:
[Denon AVR-S650H] Playback over Bluetooth is delayed for 2 seconds
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