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At this time, OpenShot can only handle one audio output device per session on Windows (see https://github.com/OpenShot/openshot-qt/issues/4303). Wrong settings may introduce several sound problems, which can include unexpected elimination of sound during playback in the interface or during encoding, or even mute sound in third-party programs while OpenShot is running.

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. Ensure that the Playback Audio Device is set correctly for your sound interface or output (e.g., speakers vs. headphones, line out vs. USB vs. Bluetooth, etc.).

2. Perhaps try a different audio device (e.g., USB, audio over HDMI from video card, etc.), to rule out other issues with clipping audio. As it is a setting, you will need to restart OpenShot.

3. Also check that the Default Audio Sample Rate and Default Audio Channels are set to match your hardware. Go to 'Sound' > 'Playback' tab > [the device name] > 'Properties' > 'Advanced', and under 'Default Format', click 'Test' to preview the audio device.

4. Disable automatic sound suppression for voice calls during microphone activity. Go to 'Sound' > 'Communications' tab, and under 'When Windows detects communications activity...', choose 'Do nothing'.

5. If supported by your sound card, try disabling 'Audio Enhancements' under the 'Advanced' settings tab of your audio device.

6. For headphones, first plug in the headphones and then start OpenShot afterwards.

Refer to https://github.com/OpenShot/openshot-qt/issues/2565 for additional discussion.