QUES: In lossy audio compression, methods of psychoacoustics are used to remove non-audible (or less audible) components of the audio signal. Compression of human speech is often performed with even more specialized techniques; speech coding, or voice coding, is sometimes distinguished as a separate discipline from audio compression. Different audio and speech compression standards are listed under audio coding formats. Voice compression is used in internet telephony, for example, audio compression is used for CD ripping and is decoded by the audio players.

What are different audio and speech CD ripping listed under?
What is the answer?
ANS: unanswerable
QUES: Arsenal reached the final of the 2007 and 2011 League Cups, losing 2–1 to Chelsea and Birmingham City respectively. The club had not gained a major trophy since the 2005 FA Cup until 17 May 2014, when Arsenal beat Hull City in the 2014 FA Cup Final, coming back from a 2–0 deficit to win the match 3–2. This qualified them for the 2014 FA Community Shield where they would play Premier League champions Manchester City. They recorded a resounding 3–0 win in the game, winning their second trophy in three months. Nine months after their Community Shield triumph, Arsenal appeared in the FA Cup final for the second year in a row, thrashing Aston Villa 4–0 in the final and becoming the most successful club in the tournament's history with 12 titles. On 2 August 2015, Arsenal beat Chelsea 1–0 at Wembley Stadium to retain the Community Shield and earn their 14th Community Shield title.

Who beat Arsenal for the 2011 League Cup>
What is the answer?
ANS: Birmingham City
QUES: On March 17, 1991, an all-Russian referendum created the post of President of the RSFSR. On June 12, Boris Yeltsin was elected President of Russia by popular vote. During an unsuccessful coup attempt on August 19–21, 1991 in Moscow, the capital of the Soviet Union and Russia, President of Russia Yeltsin strongly supported the President of the Soviet Union, Mikhail Gorbachev.

Who wasn't the first President of the RSFSR?
What is the answer?
ANS:
unanswerable