Sizzle in the audiot on some sites ?

Hello,
receive sizzle when I go to sites which however really have no audio like [link removed], even more amazing, i have this greasy as soon as i open my discord app I have the impression that my recording is saturated by certain applications or web pages? Does anyone have an explanation ? :frowning:

Thank you in advance :question:

Discord support is here: https://support.discord.com/hc/en-us