Stereo audio source

[RichardFoss]

I am trying to create a stereo audio source in the following way:

const { nonstandard } = require("@roamhq/wrtc");
const { RTCAudioSource } = nonstandard;

// WebRTC audio source (ONE per binaural engine)
const audioSource = new RTCAudioSource({ channels: 2 });
const audioTrack = audioSource.createTrack();

console.log("[webrtc] track settings:", audioTrack.getSettings());

However, the channel setting always indicates 1. Is there a way to get a stereo audio source?

[duvallj]

Hi @RichardFoss,

It looks like we currently don't respect any of the options passed into the RTCAudioSource constructor:

node-webrtc/src/interfaces/rtc_audio_source.cc

Lines 25 to 37 in 3888775

	RTCAudioSource::RTCAudioSource(const Napi::CallbackInfo &info)
	: Napi::ObjectWrap<RTCAudioSource>(info) {
	_source = rtc::make_ref_counted<RTCAudioTrackSource>();
	}
	Napi::Value RTCAudioSource::CreateTrack(const Napi::CallbackInfo &) {
	// TODO(mroberts): Again, we have some implicit factory we are threading
	// around. How to handle?
	auto factory = PeerConnectionFactory::GetOrCreateDefault();
	auto track =
	factory->factory()->CreateAudioTrack(rtc::CreateRandomUuid(), _source);
	return _track_wrap.GetOrCreate(factory, track)->Value();
	}

So, there is not a way to do stereo audio with this library currently. Sorry, thanks for bringing this up though!

[RichardFoss]

Hi Jack, Thank you very much for your response, much appreciated! Do you know whether stereo will be implemented in the future? My application is remote binaural spatialisation, Regards, Richard

…

On 09 Jan 2026, at 18:34, Jack Duvall ***@***.***> wrote: duvallj left a comment (WonderInventions/node-webrtc#47) <#47 (comment)> Hi @RichardFoss <https://github.com/RichardFoss>, It looks like we currently don't respect any of the options passed into the RTCAudioSource constructor: https://github.com/WonderInventions/node-webrtc/blob/38887757b25391678eaf41073e05bae72f5644c9/src/interfaces/rtc_audio_source.cc#L25-L37 So, there is not a way to do stereo audio with this library currently. Sorry, thanks for bringing this up though! — Reply to this email directly, view it on GitHub <#47 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AC62COZM5LAWXKW7BNKOXC34F7KABAVCNFSM6AAAAACRE3VTCCVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHMZTOMRZG4YTEMJVGY>. You are receiving this because you were mentioned.