Pull out the AV receiver in the surround-sound system and turn it around to inspect the back of the component. Look for a connected black box labeled with the name of the audio-captioning service plugged into a set of inputs on the rear of the receiver.
Richard Nixon in 1971. The Nixon shock was a series of economic measures undertaken by United States President Richard Nixon in 1971, the most significant of which was the unilateral cancellation of the direct international convertibility of the United States dollar to gold.
Countries now settled their international accounts in dollars that could be converted to gold at a fixed exchange rate of $35 per ounce, which was redeemable by the U.S. government. Thus, the United States was committed to backing every dollar overseas with gold. Other currencies were fixed to the dollar, and the dollar was pegged to gold. For the first years after World War II the Bretton Woods system worked well.