我在 Ubuntu 21.04 安装（Plasma DE）中使用网络会议软件时遇到了问题。除了网络会议平台之外，其他所有功能都运行正常，例如视频流服务（Youtube、Vimeo 等）：
- 去会议
- 思科 Webex
- 飞涨
- Google Meet
- 微软团队
- 大蓝按钮
无论我使用浏览器（Chrome、Firefox）还是桌面应用程序，都无法使用该服务：速度非常慢、滞后、我这边和其他参与者这边都出现音频问题，共享网络摄像头或桌面时视频性能不佳。
我该如何调查这个问题？任何有助于指出问题所在建议都会非常感激。
编辑：询问信息
# lshw：
mauroelitebook840
description: Notebook
product: HP EliteBook 840 G2 (N0Y00UC#ABU)
vendor: Hewlett-Packard
version: A3009D510203
serial: 5CG54129Z4
width: 64 bits
capabilities: smbios-2.7 dmi-2.7 smp vsyscall32
configuration: boot=normal chassis=notebook family=103C_5336AN G=N L=BUS B=HP S=ELI sku=N0Y00UC#ABU uuid=7F53D220-4B6C-E511-B454-820A7201C0FF
*-core
description: Motherboard
product: 2216
vendor: Hewlett-Packard
physical id: 0
version: KBC Version 96.56
serial: PEVMP00WB9K4KW
*-firmware
description: BIOS
vendor: Hewlett-Packard
physical id: d
version: M71 Ver. 01.09
date: 09/01/2015
size: 64KiB
capacity: 10MiB
capabilities: pci pcmcia upgrade shadowing cdboot bootselect edd int5printscreen int9keyboard int14serial int17printer acpi usb smartbattery biosbootspecification netboot uefi
*-cpu
description: CPU
product: Intel(R) Core(TM) i5-5300U CPU @ 2.30GHz
vendor: Intel Corp.
physical id: 7
bus info: cpu@0
version: Intel(R) Core(TM) i5-5300U CPU @ 2.30GHz
serial: To Be Filled By O.E.M.
slot: U3E1
size: 797MHz
capacity: 2900MHz
width: 64 bits
clock: 100MHz
capabilities: lm fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp x86-64 constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm rdseed adx smap intel_pt xsaveopt dtherm ida arat pln pts md_clear flush_l1d cpufreq
configuration: cores=2 enabledcores=2 threads=4
*-cache:0
description: L1 cache
physical id: 8
slot: L1 Cache
size: 32KiB
capacity: 32KiB
capabilities: asynchronous internal write-back instruction
configuration: level=1
*-cache:1
description: L2 cache
physical id: 9
slot: L2 Cache
size: 256KiB
capacity: 256KiB
capabilities: asynchronous internal write-back unified
configuration: level=2
*-cache:2
description: L3 cache
physical id: a
slot: L3 Cache
size: 3MiB
capacity: 3MiB
capabilities: asynchronous internal write-back unified
configuration: level=3
*-cache
description: L1 cache
physical id: 6
slot: L1 Cache
size: 32KiB
capacity: 32KiB
capabilities: asynchronous internal write-back data
configuration: level=1
*-memory
description: System Memory
physical id: 0
slot: System board or motherboard
size: 16GiB
*-bank:0
description: SODIMM DDR3 Synchronous 2133 MHz (0,5 ns)
product: KHX2133C11S3L/8G
vendor: Kingston
physical id: 0
serial: 05321324
slot: Bottom-Slot 1(left)
size: 8GiB
width: 64 bits
clock: 2133MHz (0.5ns)
*-bank:1
description: SODIMM DDR3 Synchronous 2133 MHz (0,5 ns)
product: KHX2133C11S3L/8G
vendor: Kingston
physical id: 1
serial: 03320924
slot: Bottom-Slot 2(right)
size: 8GiB
width: 64 bits
clock: 2133MHz (0.5ns)
*-pci
description: Host bridge
product: Broadwell-U Host Bridge -OPI
vendor: Intel Corporation
physical id: 100
bus info: pci@0000:00:00.0
version: 09
width: 32 bits
clock: 33MHz
configuration: driver=bdw_uncore
resources: irq:0
*-display
description: VGA compatible controller
product: HD Graphics 5500
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 09
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:47 memory:c0000000-c0ffffff memory:b0000000-bfffffff ioport:5000(size=64) memory:c0000-dffff
*-multimedia:0
description: Audio device
product: Broadwell-U Audio Controller
vendor: Intel Corporation
physical id: 3
bus info: pci@0000:00:03.0
version: 09
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:50 memory:c1330000-c1333fff
*-usb:0
description: USB controller
product: Wildcat Point-LP USB xHCI Controller
vendor: Intel Corporation
physical id: 14
bus info: pci@0000:00:14.0
version: 03
width: 64 bits
clock: 33MHz
capabilities: pm msi xhci bus_master cap_list
configuration: driver=xhci_hcd latency=0
resources: irq:45 memory:c1320000-c132ffff
*-usbhost:0
product: xHCI Host Controller
vendor: Linux 5.11.0-22-generic xhci-hcd
physical id: 0
bus info: usb@2
logical name: usb2
version: 5.11
capabilities: usb-2.00
configuration: driver=hub slots=11 speed=480Mbit/s
*-usb:0
description: USB hub
product: USB2134B
vendor: SMSC
physical id: 3
bus info: usb@2:3
version: 60.82
capabilities: usb-2.10
configuration: driver=hub slots=4 speed=480Mbit/s
*-usb:1
description: Bluetooth wireless interface
product: Bluetooth wireless interface
vendor: Intel Corp.
physical id: 4
bus info: usb@2:4
version: 0.01
capabilities: bluetooth usb-2.01
configuration: driver=btusb maxpower=100mA speed=12Mbit/s
*-usb:2 UNCLAIMED
description: Generic USB device
product: VFS495 Fingerprint Reader
vendor: Validity Sensors, Inc.
physical id: 5
bus info: usb@2:5
version: 1.04
serial: 0030fcc9c798
capabilities: usb-1.10
configuration: maxpower=100mA speed=12Mbit/s
*-usb:3
description: Video
product: HP HD Webcam
vendor: SunplusIT INC.
physical id: 7
bus info: usb@2:7
version: 1.01
capabilities: usb-2.00
configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s
*-usbhost:1
product: xHCI Host Controller
vendor: Linux 5.11.0-22-generic xhci-hcd
physical id: 1
bus info: usb@3
logical name: usb3
version: 5.11
capabilities: usb-3.00
configuration: driver=hub slots=4 speed=5000Mbit/s
*-usb
description: USB hub
product: USB5534B
vendor: SMSC
physical id: 3
bus info: usb@3:3
version: 60.82
capabilities: usb-3.00
configuration: driver=hub slots=4 speed=5000Mbit/s
*-communication
description: Communication controller
product: Wildcat Point-LP MEI Controller #1
vendor: Intel Corporation
physical id: 16
bus info: pci@0000:00:16.0
version: 03
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: driver=mei_me latency=0
resources: irq:48 memory:c133b000-c133b01f
*-network
description: Ethernet interface
product: Ethernet Connection (3) I218-LM
vendor: Intel Corporation
physical id: 19
bus info: pci@0000:00:19.0
logical name: enp0s25
version: 03
serial: b0:5a:da:b8:0f:c4
capacity: 1Gbit/s
width: 32 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=5.11.0-22-generic firmware=0.2-4 latency=0 link=no multicast=yes port=twisted pair
resources: irq:46 memory:c1300000-c131ffff memory:c133d000-c133dfff ioport:5080(size=32)
*-multimedia:1
description: Audio device
product: Wildcat Point-LP High Definition Audio Controller
vendor: Intel Corporation
physical id: 1b
bus info: pci@0000:00:1b.0
version: 03
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: driver=snd_hda_intel latency=64
resources: irq:51 memory:c1334000-c1337fff
*-pci:0
description: PCI bridge
product: Wildcat Point-LP PCI Express Root Port #1
vendor: Intel Corporation
physical id: 1c
bus info: pci@0000:00:1c.0
version: e3
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:40 memory:c1200000-c12fffff
*-pci:1
description: PCI bridge
product: Wildcat Point-LP PCI Express Root Port #2
vendor: Intel Corporation
physical id: 1c.1
bus info: pci@0000:00:1c.1
version: e3
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:41 ioport:3000(size=8192) memory:c1100000-c11fffff ioport:ae900000(size=2097152)
*-generic
description: Unassigned class
product: RTS5227 PCI Express Card Reader
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
version: 01
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=rtsx_pci latency=0
resources: irq:43 memory:c1100000-c1100fff
*-pci:2
description: PCI bridge
product: Wildcat Point-LP PCI Express Root Port #4
vendor: Intel Corporation
physical id: 1c.3
bus info: pci@0000:00:1c.3
version: e3
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:42 memory:c1000000-c10fffff
*-network
description: Wireless interface
product: Wireless 7265
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlo1
version: 48
serial: 4c:34:88:e6:c5:d0
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=5.11.0-22-generic firmware=17.3216344376.0 7265-17.ucode ip=192.168.8.116 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:49 memory:c1000000-c1001fff
*-usb:1
description: USB controller
product: Wildcat Point-LP USB EHCI Controller
vendor: Intel Corporation
physical id: 1d
bus info: pci@0000:00:1d.0
version: 03
width: 32 bits
clock: 33MHz
capabilities: pm debug ehci bus_master cap_list
configuration: driver=ehci-pci latency=0
resources: irq:17 memory:c1339000-c13393ff
*-usbhost
product: EHCI Host Controller
vendor: Linux 5.11.0-22-generic ehci_hcd
physical id: 1
bus info: usb@1
logical name: usb1
version: 5.11
capabilities: usb-2.00
configuration: driver=hub slots=3 speed=480Mbit/s
*-usb
description: USB hub
product: Integrated Hub
vendor: Intel Corp.
physical id: 1
bus info: usb@1:1
version: 0.03
capabilities: usb-2.00
configuration: driver=hub slots=8 speed=480Mbit/s
*-isa
description: ISA bridge
product: Wildcat Point-LP LPC Controller
vendor: Intel Corporation
physical id: 1f
bus info: pci@0000:00:1f.0
version: 03
width: 32 bits
clock: 33MHz
capabilities: isa bus_master cap_list
configuration: driver=lpc_ich latency=0
resources: irq:0
*-sata
description: SATA controller
product: Wildcat Point-LP SATA Controller [AHCI Mode]
vendor: Intel Corporation
physical id: 1f.2
bus info: pci@0000:00:1f.2
version: 03
width: 32 bits
clock: 66MHz
capabilities: sata msi pm ahci_1.0 bus_master cap_list
configuration: driver=ahci latency=0
resources: irq:44 ioport:50a8(size=8) ioport:50bc(size=4) ioport:50a0(size=8) ioport:50b8(size=4) ioport:5060(size=32) memory:c1338000-c13387ff
*-serial
description: SMBus
product: Wildcat Point-LP SMBus Controller
vendor: Intel Corporation
physical id: 1f.3
bus info: pci@0000:00:1f.3
version: 03
width: 64 bits
clock: 33MHz
configuration: driver=i801_smbus latency=0
resources: irq:18 memory:c133a000-c133a0ff ioport:ef80(size=32)
*-pnp00:00
product: PnP device PNP0c02
physical id: 1
capabilities: pnp
configuration: driver=system
*-pnp00:01
product: PnP device PNP0c02
physical id: 2
capabilities: pnp
configuration: driver=system
*-pnp00:02
product: PnP device PNP0b00
physical id: 3
capabilities: pnp
configuration: driver=rtc_cmos
*-pnp00:03
product: PnP device HPQ8002
vendor: Hewlett-Packard Co.
physical id: 4
capabilities: pnp
configuration: driver=i8042 kbd
*-pnp00:04
product: PnP device SYN3015
vendor: Synaptics Inc
physical id: 5
capabilities: pnp
configuration: driver=i8042 aux
*-pnp00:05
product: PnP device IFX0102
vendor: Infineon Technologies AG
physical id: 8
capabilities: pnp
configuration: driver=tpm_tis
*-scsi
physical id: 9
logical name: scsi1
capabilities: emulated
*-disk
description: ATA Disk
product: Samsung SSD 840
physical id: 0.0.0
bus info: scsi@1:0.0.0
logical name: /dev/sda
version: BB6Q
serial: S1DHNSAF747644D
size: 465GiB (500GB)
capabilities: partitioned partitioned:dos
configuration: ansiversion=5 logicalsectorsize=512 sectorsize=512 signature=000a758c
*-volume:0
description: EXT4 volume
vendor: Linux
physical id: 1
bus info: scsi@1:0.0.0,1
logical name: /dev/sda1
logical name: /
version: 1.0
serial: 835176a6-1117-4bde-80a6-92131d3cca0d
size: 449GiB
capacity: 449GiB
capabilities: primary bootable journaled extended_attributes large_files huge_files dir_nlink extents ext4 ext2 initialized
configuration: created=2014-09-13 21:02:58 filesystem=ext4 lastmountpoint=/ modified=2021-06-24 19:59:40 mount.fstype=ext4 mount.options=rw,noatime,errors=remount-ro mounted=2021-06-24 07:46:17 state=mounted
*-volume:1
description: Extended partition
physical id: 2
bus info: scsi@1:0.0.0,2
logical name: /dev/sda2
size: 15GiB
capacity: 15GiB
capabilities: primary extended partitioned partitioned:extended
*-logicalvolume
description: Linux swap volume
physical id: 5
logical name: /dev/sda5
version: 1
serial: 5329bae6-dfcc-438b-b403-80344adb8607
size: 15GiB
capacity: 15GiB
capabilities: nofs swap initialized
configuration: filesystem=swap pagesize=4096
*-battery
product: CM03050XL
vendor: 333-54-22
physical id: 1
slot: Primary
capacity: 50730mWh
configuration: voltage=11,4V
uname -a：
Linux mauroEliteBook840 5.11.0-22-generic #23-Ubuntu SMP Thu Jun 17 00:34:23 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
lsb_release-a：
LSB Version: core-11.1.0ubuntu2-noarch:printing-11.1.0ubuntu2-noarch:security-11.1.0ubuntu2-noarch
Distributor ID: Ubuntu
Description: Ubuntu 21.04
Release: 21.04
Codename: hirsute