For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
Log inSign up
Support
GuidesReference
GuidesReference
    • Core
      • Overview
    • Agents
      • Overview
      • AgentBase
      • AgentServer
      • Configuration
      • ContextBuilder
      • DataMap
      • FunctionResult
      • Helper Functions & Utilities
      • LiveWire
      • PomBuilder
      • Prefabs
      • SkillBase
      • SkillManager
      • SkillRegistry
      • Skills
      • SwaigFunction
      • SwmlBuilder
      • SWMLService
    • RELAY
      • Overview
      • Actions
      • Call
        • ai
        • aiHold
        • aiMessage
        • aiUnhold
        • amazonBedrock
        • answer
        • bindDigit
        • clearDigitBindings
        • collect
        • connect
        • denoise
        • denoiseStop
        • detect
        • disconnect
        • echo
        • hangup
        • hold
        • joinConference
        • joinRoom
        • leaveConference
        • leaveRoom
        • liveTranscribe
        • liveTranslate
        • on
        • pass
        • pay
        • play
        • playAndCollect
        • queueEnter
        • queueLeave
        • receiveFax
        • record
        • refer
        • sendDigits
        • sendFax
        • stream
        • tap
        • transfer
        • unhold
        • userEvent
        • waitFor
        • waitForEnded
      • Constants
      • Events
      • Message
      • RelayClient
      • RelayError
    • REST Client
      • Overview
      • Addresses
      • Calling
      • ChatResource
      • Compat
      • Datasphere
      • Fabric
      • ImportedNumbersResource
      • Logs
      • LookupResource
      • MFA
      • Number Groups
      • Phone Numbers
      • Project
      • PubSubResource
      • Queues
      • Recordings
      • Registry
      • RestClient
      • RestError
      • Short Codes
      • SIP Profile
      • Verified Callers
      • Video
LogoLogoSignalWire Docs
Log inSign up
Support
On this page
  • Parameters
  • Returns
  • Example
RELAYCall

denoise

|View as Markdown|Open in Claude|
Was this page helpful?
Edit this page
Previous

denoiseStop

Next
Built with

Start noise reduction on the call. Filters background noise from the audio to improve clarity.

Use denoiseStop() to disable noise reduction.

This method emits calling.call.denoise events. See Call Events for payload details.

Parameters

None.

Returns

Promise<Record<string, unknown>> — Server response confirming noise reduction has started.

Example

1import { RelayClient } from '@signalwire/sdk';
2
3const client = new RelayClient({
4 project: process.env.SIGNALWIRE_PROJECT_ID!,
5 token: process.env.SIGNALWIRE_API_TOKEN!,
6 contexts: ['default']
7});
8
9client.onCall(async (call) => {
10 await call.answer();
11
12 const result = await call.denoise();
13 console.log(`Noise reduction started: ${JSON.stringify(result)}`);
14
15 const action = await call.play([{ type: 'tts', text: 'Noise reduction is now active.' }]);
16 await action.wait();
17});
18
19await client.run();