Maybe,
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Try the add-on No Sound Fix (libmpv) - AnkiWeb
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Follow this reply to play the audio file with mpv using drag-and-drop from the collection.media folder and using the debug console
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Follow this reply to tell mpv to create a log file. There’s no need to install the add-on, another one, mentioned in the reply. Maybe the log file will reveal something useful.
Anki 2.1.33 Linux audio stops working - #2 by kelciour
Or maybe download the latest mpv version (“mpv-x86_64-20211003-git-5304e9f.7z”) from mpv player (Windows) - Browse /64bit at SourceForge.net and copy-replace
mpv.exe
,mpv.com
,d3dcompiler_43.dll
to C:\Program Files\Anki. Then open the Command Prompt (“cmd.exe”) and start mpv from cmd this way (copy-paste the command and press Enter), then start Anki, review a card with the audio and check the console output."C:\Program Files\Anki\mpv.com" -v --idle --force-window=no --ontop --audio-display=no --keep-open=no --autoload-files=no --gapless-audio=no --input-media-keys=no --input-ipc-server=ankimpv