Support Center / Wondershare FAQs - SupportCenter - DemoCreator
Why do I hear an echo or noise with the recorded file or exported file?

The problem might be caused by recording both system audio and another source such as a microphone or stereo mix simultaneously.

① If you only need to record the audio coming from your computer, select “Capture” under Computer Audio and select “Don’t Capture” under Microphone.

audio denoise

② You can also click audio clip and choose "Enable" under the "Denoise" button to denoise the audio.

audio denoise

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