background noise turned off but still there
# support
z
Hello there! We have The Voice Configuration -> Additional Configuration -> Background Noise set to 'off' but when we call the 'default' is still palying (office space). We tried even setting it to a silent mp3, but, still no, anytime w call her, it's using the background noise. May I ask how exactly to turn this off if the dashboard is showing off and it still isn't working?
v
Try updating your assistant configuration directly via the API to ensure
backgroundSound
is set to `"off"`:
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json
{
  "backgroundSound": "off"
}
You can do this using the
update-assistant
endpoint. Sometimes, dashboard changes may not propagate due to caching or sync issues, so a direct API update can help enforce the setting. If the issue persists after this, please contact support with your assistant ID for further investigation. For more details, see the [Vapi API reference](https://docs.vapi.ai/api-reference/assistants/update-assistant). Source: - [Vapi API Reference: Update Assistant](https://docs.vapi.ai/api-reference/assistants/update-assistant)
v
Message marked as helpful by @zackrspv! 🎉
z
yes, that resolved it; perhaps a transient bug then thanks
c
Hi zackrspv, To remove background music or adjust background sound settings in your workflow, you can update the
backgroundSpeechDenoisingPlan
in your assistant configuration. Here's how you can enable Smart Denoising, which is recommended for general noise reduction:
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typescript
const assistant = await vapi.assistants.create({
  name: "Your Assistant Name",
  backgroundSpeechDenoisingPlan: {
    smartDenoisingPlan: {
      enabled: true
    }
    // Enable Fourier Denoising only if needed for specific noise challenges
  }
});
If you need more advanced filtering for media-related noise (like TV or music), you might consider using both Smart and Fourier Denoising:
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typescript
const assistant = await vapi.assistants.create({
  name: "Your Assistant Name",
  backgroundSpeechDenoisingPlan: {
    smartDenoisingPlan: {
      enabled: true
    },
    fourierDenoisingPlan: {
      enabled: true,
      mediaDetectionEnabled: true,
      staticThreshold: -35,
      baselineOffsetDb: -15,
      windowSizeMs: 3000,
      baselinePercentile: 85
    }
  }
});
Keep in mind that Fourier Denoising is experimental and may require tweaking for optimal results. More details can be found [here](https://docs.vapi.ai/documentation/assistants/conversation-behavior/background-speech-denoising). Let me know if you have any more questions or need further assistance.