How to Remove Background Noise from PowerPoint Recordings
Question details
The user needs to eliminate background noise that appears when recording narration for a presentation.

- Product
- Microsoft PowerPoint
- Device & OS
- Surface Pro 7, Surface Pro 7+, Windows
- Scenario
- Recording audio narrations directly within a PowerPoint presentation.
- Observed behavior
- Noticeable background noise or static is captured and played back during the PowerPoint recording process.
Before altering system or software settings, verify that your recording environment is quiet and that your external microphone cable is firmly connected.
Adjust Audio Settings and Test Hardware
Isolate the issue by checking if the noise is file-specific, and adjust PowerPoint and Windows audio settings to improve recording quality.
Often, background noise is the result of a faulty microphone driver, improper audio input selection, or a corrupted presentation file. Testing different environments helps narrow down the root cause.
Open PowerPoint and create a new, blank presentation. Record a short audio clip to see if the background noise persists, which indicates a system-wide issue rather than a corrupted file.
Navigate to File > Options > Advanced. Scroll to the media settings and review your audio input preferences and recording quality limits.
Right-click the Windows Start menu and open Device Manager. Expand the 'Audio inputs and outputs' section, right-click your active microphone, and select 'Update driver'.
If you are using the built-in Surface Pro microphone, connect a dedicated external USB or Bluetooth microphone to see if the recording quality improves.
Repair or Reinstall Microsoft Office
Use this method if the audio recording glitch is caused by corrupted PowerPoint installation files.
Try WPS Office for Seamless Presentation Creation
If Microsoft PowerPoint continues to struggle with recording glitches or heavy resource usage on your Surface device, consider switching to WPS Office. It provides a lightweight, fast, and feature-rich presentation maker that works perfectly with your existing files.
- 1. Download the WPS installer: Visit the official WPS website and download the free WPS Office installation package.
- 2. Install the application: Run the downloaded executable file and follow the quick installation instructions on your screen.
- 3. Open your presentation: Launch WPS Presentation and open your .pptx file to continue working without formatting loss or audio bugs.

Frequently Asked Questions
Can I remove background noise from an already recorded audio clip in PowerPoint?
PowerPoint does not include advanced audio editing features to remove background noise from existing clips. You will need to delete the noisy clip and re-record it, or export the audio, clean it using a third-party tool like Audacity, and reinsert it into your slide.
Why does my Surface Pro microphone produce static noise?
Static noise on Surface Pro devices can be caused by outdated Realtek audio drivers, interference from heavy CPU usage, or the 'Audio Enhancements' setting in Windows. Updating drivers via Device Manager usually resolves this.
How do I change the default microphone in PowerPoint?
PowerPoint automatically uses the default Windows recording device. To change it, open Windows Settings > System > Sound, and under the 'Input' section, select your preferred microphone from the dropdown menu before starting your presentation recording.




