 Tear down this wall!  was the challenge issued by United States President Ronald Reagan to Soviet Union leader Mikhail Gorbachev to destroy the Berlin Wall, in a speech at the Brandenburg Gate near the Berlin Wall on June 12, 1987, commemorating the 750th anniversary of Berlin.n the 1963  Ich bin ein Berliner  speech, U.S. President John F. Kennedy stated the support of the United States for democratic West Germany shortly after the Soviet-supported Communist state of East Germany erected the Berlin Wall as a barrier to prevent movement from East to West.
Feedback happens when a microphone picks up sound from speakers and then pipes that same sound back through the speakers and picks it up again. The never-ending loop of ear-pain is frustrating to experience, but fairly easy to fix by adjusting the levels of the speakers and microphone.
If your recording device is called âVIA HD audioâ please click here. If your recording device is called âIDT High Definition Audio Codecâ please click here. Follow these steps to check and fix the microphone settings in Windows 10: 1  Right-click on the speaker icon in the bottom-right part of the screen.. If you donât see any green bars skip to step 5. If you do see green bars when you talk into the microphone, but it still doesnât work in some program, then that means that the mic is correctly configured in Windows, but the program is listening to the wrong recording device. Try changing your programâs settings. 5.