The MPEG Data Stream - Digital Video and Audio Broadcasting Technology - page 64

SDT
Service Descriptor Table
(PID=0x11, Table_ID=0x42/0x46)

Information about all
services (= programs)
in a transport stream

Service provider name
service names = program
names

Fig. 3.33. Service Descriptor Table (SDT)

SDT

PID=0x11;

Table_ID=0x42/0x46;

Repetition time:
25ms …2s

Transport_stream_ID;
Version Management; Section_length

Original_network_ID

for i=0 i<N i++

Service_ID;
Reserved;
EIT_schedule_flag;
EIT_present_following_flag;
Running_status;
Free_CA_mode;

Service
loop

Descriptors_loop_length

for i=0 i<N i++

Descriptors
loop

Descriptor();

CRC_32

Fig. 3.34. Structure of the Service Descriptor Table (SDT)