alerts with sound

Hi, i had a problem and lots streamer too about sound alerts, its sound like "crispy and some distortion" For exemple : https://clips.twitch.tv/MildArborealSpindleUnSane-_556_ng2ZfFX5vLY I tried everything, reset my pc, khz, kbs, seperate sound from browser source, different website, its all...

If i setup my twitch alerts to be heardable on stream and not only for me it makes the game audio (sometimes it was doubling microphone or distorting the alert sound like as if a cabel was not fully connected but it is) be doubled (have an echo that slowly fades as it decreases in volume until...