Why is PSI information not synchronised?
Because tight synchronisation between signalling and elementary streams was not required. It is enough, generally speaking, to signal an event a little in advance. In some cases, however, that makes dynamic changes quite tricky, especially when elementary streams are scrambled, or when a program changes from an “in the clear” state to a scrambled state.
Because tight synchronisation between signaling and elementary streams was not required. It is enough, generally speaking, to signal an event a little in advance. In some cases, however, that makes dynamic changes quite tricky, specially when elementary streams are scrambled, or when a program changes from an “in the clear” state to scrambled state.
