Windows Audio Issues
Wrong settings may cause several sound issues under windows. It can prevent hearing sound during playback in the interface, during encoding or even mute sound in third party programs while OpenShot is opened.
Answers and images were taken from discussion in https://github.com/OpenShot/openshot-qt/issues/3116 If a solution worked, please go there and tell us which solution and for which hardware.
1 make sure that the Playback Audio Device is set correctly for your sound interface / output? Under Preferences, in the Preview tab. (Speakers vs. headphones, line out vs. USB vs. Bluetooth, etc.) As it is a setting, you will need to restart OpenShot. Perhaps try a different audio device (USB, audio over HDMI from video card, etc), to rule out other issues with clip audio.
2 Also check that the Default Audio Sample Rate and Default Audio Channels are set to match your hardware.
Playback devices > the_device_name > Properties > Advanced tab
3 Disable automatic sound suppression for voice calls during microphone activity.
Playback devices > the_device_name > Properties > Communications:
-> Do nothing.
4 Try disabling 'Audio Enhancements' under the advanced settings tab of your audio device.
5 for headphones, first plug in the headphones and then start OpenShot afterwards [https://github.com/OpenShot/openshot-qt/issues/2565 issue2565]