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.
It is an exaggeration to say that the whole Bretton Woods system broke down. What did break down was the rules of cooperation for the convertibility of the dollar into gold and the exchange rates regime. After the war, the US dollar became the international reserve currency.