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Content Hi Max, Make sure you aren't connecting the `AnalyserNode` to your `BaseAudioContext`'s destination. In some examples you find online, you might see a line like this: ```javascript analyser.connect(audioCtx.destination); ``` Avoid that! If you're still hearing feedback/echoing after getting a media stream from `getUserMedia`, you might want to try specifying echoCancellation/noiseSuppression in your`MediaStreamConstraints` config object like this: ```javascript const config = { video: false, audio: { deviceId: audioDevices.value, autoGainControl: true, echoCancellation: true, noiseSuppression: true } }; ```