> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes. # denoise$ > Observable indicating whether noise reduction is active. ```ts get denoise$(): Observable ``` Observable indicating whether noise reduction is active. ## denoise ```ts get denoise(): boolean ``` Whether noise reduction (denoise) is active. ## **Examples** ```ts participant.denoise$.subscribe((denoise) => { console.log('denoise:', denoise); }); ``` > Observable indicating whether noise reduction is active.