is ready-for-use. How does the standard look like?
MPEG-1 consists of 4 parts: IS 11172-1: System describes synchronization and [[multiplexing]] of video and audio IS 11172-2: Video describes compression of non-[[interlaced]] video signals IS 11172-3: Audio describes compression of audio signals CD 11172-4: Compliance Testing describes procedures for determining the characteristics of coded bitstreams and the decoding porcess and for testing compliance with the requirements stated in the other parts