I did what you wanted.
I started with Echo cancellation off, and switched audio and vise versa. Same problems.
A dozen teamspeak executables remains in my Taskmanager.
cef.log
[0629/130032.374:INFO:crash_reporting.cc(219)] Crash reporting enabled for process: browser
[0629/130032.534:INFO:crash_reporting.cc(219)] Crash reporting enabled for process: utility
[0629/130033.150:INFO:CONSOLE(2)] "Notification Settings loaded. [object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]", source: tsui://default/main.js (2)
[0629/130033.150:INFO:CONSOLE(2)] "Message Notification settings loaded. [object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]", source: tsui://default/main.js (2)
[0629/130033.151:INFO:CONSOLE(2)] "Whisper Settings loaded.", source: tsui://default/main.js (2)
[0629/130033.462:INFO:CONSOLE(2)] "Restoring previously opened activities: [object Object]", source: tsui://default/main.js (2)
[0629/130033.462:INFO:CONSOLE(2)] "Auto connect to bookmark 5er", source: tsui://default/main.js (2)
[0629/130033.798:WARNING:browser_info.cc(301)] Returning a speculative frame for 25769803781 [6,5]
[0629/130033.882:INFO:CONSOLE(2)] "analytics :: heartbeat", source: tsui://default/main.js (2)
[0629/130033.884:INFO:CONSOLE(2)] "default device changed: -none- to Digital Output (Realtek High Definition Audio)", source: tsui://default/main.js (2)
[0629/130033.884:INFO:CONSOLE(2)] "default device changed: -none- to Microphone (Logitech G533 Gaming Headset)", source: tsui://default/main.js (2)
[0629/130033.961:WARNING:browser_info.cc(301)] Returning a speculative frame for 25769803781 [6,5]
[0629/130033.961:WARNING:browser_info.cc(301)] Returning a speculative frame for 25769803781 [6,5]
[0629/130033.961:WARNING:browser_info.cc(301)] Returning a speculative frame for 25769803781 [6,5]
[0629/130033.962:WARNING:browser_info.cc(301)] Returning a speculative frame for 25769803781 [6,5]
[0629/130034.054:INFO:CONSOLE(2)] "Connecting to homebase chat system, homebaseData: [object Object]", source: tsui://default/main.js (2)
[0629/130034.361:INFO:CONSOLE(2)] "setServerIconUrlCacheValue: Invalid parameter: iconUrl", source: tsui://default/main.js (2)
[0629/130034.361:INFO:CONSOLE(2)] "setServerIconUrlCacheValue: Invalid parameter: iconUrl", source: tsui://default/main.js (2)
[0629/130034.679:INFO:crash_reporting.cc(219)] Crash reporting enabled for process: utility
[0629/130110.974:INFO:CONSOLE(2)] "setServerIconUrlCacheValue: Invalid parameter: iconUrl", source: tsui://default/main.js (2)
[0629/130124.446:INFO:CONSOLE(2)] "default device changed: Digital Output (Realtek High Definition Audio) to Speakers (Logitech G533 Gaming Headset)", source: tsui://default/main.js (2)
[0629/130127.268:INFO:CONSOLE(2)] "default device changed: Speakers (Logitech G533 Gaming Headset) to Digital Output (Realtek High Definition Audio)", source: tsui://default/main.js (2)
[0629/130127.269:INFO:CONSOLE(2)] "Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'length')", source: tsui://default/main.js (2)
[0629/130158.718:INFO:CONSOLE(2)] "default device changed: Digital Output (Realtek High Definition Audio) to Speakers (Logitech G533 Gaming Headset)", source: tsui://default/main.js (2)
[0629/130158.719:INFO:CONSOLE(2)] "Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'length')", source: tsui://default/main.js (2)
[0629/130358.247:INFO:crash_reporting.cc(219)] Crash reporting enabled for process: browser
[0629/130358.411:INFO:crash_reporting.cc(219)] Crash reporting enabled for process: utility
[0629/130359.037:INFO:CONSOLE(2)] "Notification Settings loaded. [object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]", source: tsui://default/main.js (2)
[0629/130359.038:INFO:CONSOLE(2)] "Message Notification settings loaded. [object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]", source: tsui://default/main.js (2)
[0629/130359.038:INFO:CONSOLE(2)] "Whisper Settings loaded.", source: tsui://default/main.js (2)
[0629/130359.411:INFO:CONSOLE(2)] "Restoring previously opened activities: [object Object]", source: tsui://default/main.js (2)
[0629/130359.411:INFO:CONSOLE(2)] "Auto connect to bookmark 5er", source: tsui://default/main.js (2)
[0629/130359.729:WARNING:browser_info.cc(301)] Returning a speculative frame for 25769803781 [6,5]
[0629/130359.805:INFO:CONSOLE(2)] "analytics :: heartbeat", source: tsui://default/main.js (2)
[0629/130359.806:INFO:CONSOLE(2)] "default device changed: -none- to Speakers (Logitech G533 Gaming Headset)", source: tsui://default/main.js (2)
[0629/130359.806:INFO:CONSOLE(2)] "default device changed: -none- to Microphone (Logitech G533 Gaming Headset)", source: tsui://default/main.js (2)
[0629/130359.921:INFO:CONSOLE(2)] "Connecting to homebase chat system, homebaseData: [object Object]", source: tsui://default/main.js (2)
[0629/130400.009:WARNING:browser_info.cc(301)] Returning a speculative frame for 25769803781 [6,5]
[0629/130400.010:WARNING:browser_info.cc(301)] Returning a speculative frame for 25769803781 [6,5]
[0629/130400.010:WARNING:browser_info.cc(301)] Returning a speculative frame for 25769803781 [6,5]
[0629/130400.010:WARNING:browser_info.cc(301)] Returning a speculative frame for 25769803781 [6,5]
[0629/130400.223:INFO:CONSOLE(2)] "setServerIconUrlCacheValue: Invalid parameter: iconUrl", source: tsui://default/main.js (2)
[0629/130400.223:INFO:CONSOLE(2)] "setServerIconUrlCacheValue: Invalid parameter: iconUrl", source: tsui://default/main.js (2)
[0629/130400.411:INFO:crash_reporting.cc(219)] Crash reporting enabled for process: utility
[0629/130411.558:INFO:CONSOLE(2)] "setServerIconUrlCacheValue: Invalid parameter: iconUrl", source: tsui://default/main.js (2)
[0629/130413.590:INFO:CONSOLE(2)] "default device changed: Speakers (Logitech G533 Gaming Headset) to Digital Output (Realtek High Definition Audio)", source: tsui://default/main.js (2)
[0629/130416.070:INFO:CONSOLE(2)] "default device changed: Digital Output (Realtek High Definition Audio) to Speakers (Logitech G533 Gaming Headset)", source: tsui://default/main.js (2)
[0629/130416.071:INFO:CONSOLE(2)] "Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'length')", source: tsui://default/main.js (2)
[0629/130422.768:INFO:crash_reporting.cc(219)] Crash reporting enabled for process: browser
[0629/130558.331:INFO:crash_reporting.cc(219)] Crash reporting enabled for process: gpu-process
[0629/130558.478:ERROR:gpu_init.cc(446)] Passthrough is not supported, GL is disabled, ANGLE is
ts5client_2022-06-29_13-00.log
[2022-06-29 13:00:32.440] [info] Notifications_Windows ctor
[2022-06-29 13:00:32.455] [info] TeamSpeak Client 5.0.0-beta70 (2022-06-08 08:26:25)
[2022-06-29 13:00:32.455] [info] SystemInformation: Windows 11 (22621) x64 (AMD or Intel) Binary: 64bit
[2022-06-29 13:00:32.455] [info] Using hardware aes
[2022-06-29 13:00:32.609] [info] disconnected from push system.
[2022-06-29 13:00:33.223] [info] connected to push system.
[2022-06-29 13:00:33.901] [info] Initialized with 2 channels in 32bit, 48kHz. - Digital Output (Realtek High Definition Audio)
[2022-06-29 13:00:33.923] [info] Initialized with 1 channels in 32bit, 48kHz. - Microphone (Logitech G533 Gaming Headset)
[2022-06-29 13:00:33.938] [warning] Failed to set volumen_modifier
[2022-06-29 13:00:33.938] [info] Connecting to 62.141.40.249:15150
[2022-06-29 13:00:33.938] [info] Connecting to resolved address 62.141.40.249:15150
[2022-06-29 13:00:33.965] [info] server sent ciphers:1
[2022-06-29 13:00:33.990] [info] Selected cipher:0
[2022-06-29 13:00:33.995] [warning] Failed to set volumen_modifier
[2022-06-29 13:00:54.984] [info] Initialized with 2 channels in 32bit, 48kHz. - Digital Output (Realtek High Definition Audio)
[2022-06-29 13:01:02.445] [info] starting download for http://update.teamspeak.com/windows/x64/latest/info.json
[2022-06-29 13:01:24.362] [info] Windows Audio Session - DEVICETYPE_PLAYBACK - Default device changed: {0.0.0.00000000}.{f633924f-ac25-4e23-82fc-647710d229a6}
[2022-06-29 13:01:24.395] [info] Initialized with 8 channels in 32bit, 48kHz. - Speakers (Logitech G533 Gaming Headset)
[2022-06-29 13:01:24.402] [info] Initialized with 8 channels in 32bit, 48kHz. - Speakers (Logitech G533 Gaming Headset)
[2022-06-29 13:01:27.203] [info] Windows Audio Session - DEVICETYPE_PLAYBACK - Default device changed: {0.0.0.00000000}.{31a73e25-2b01-4217-8ba7-861bdf550547}
[2022-06-29 13:01:27.214] [info] Initialized with 2 channels in 32bit, 48kHz. - Digital Output (Realtek High Definition Audio)
[2022-06-29 13:01:27.275] [info] Initialized with 2 channels in 32bit, 48kHz. - Digital Output (Realtek High Definition Audio)
[2022-06-29 13:01:58.682] [info] Windows Audio Session - DEVICETYPE_PLAYBACK - Default device changed: {0.0.0.00000000}.{f633924f-ac25-4e23-82fc-647710d229a6}
[2022-06-29 13:01:58.714] [info] Initialized with 8 channels in 32bit, 48kHz. - Speakers (Logitech G533 Gaming Headset)
[2022-06-29 13:02:30.545] [info] Notifications_Windows dtor