Tolong jelaskan mengenai Paket kosong dari Transport stream dalam bahasa sunda

Some transmission schemes, such as those in ATSC and DVB, impose strict constant bitrate requirements on the transport stréam. In order to ensure that the stréam maintains a constant bitrate, a Multiplexer may need to insert some additional packets. The PID 0x1FFF is reserved for this purpose. The payload of null packets may not contain any data at all, and the receiver is expected to ignore its contents.