generate questions: All algorithms for MPEG-1 Audio Layer I, II and III were approved in 1991 and finalized in 1992 as part of MPEG-1, the first standard suite by MPEG, which resulted in the international standard ISO/IEC 11172-3 (a.k.a. MPEG-1 Audio or MPEG-1 Part 3), published in 1993.
When were the algorithms approved? {sep_token} When were the approved algorithms finalized? {sep_token} What was the first started suite by MPEG? {sep_token} What was the official name of the internation standard? {sep_token} When was the international standard published? {sep_token}