Re: DVB-H question

On 30 May 2006 13:49:02 -0700, "Harry" <harry0d88@xxxxxxx> wrote:


Does a DVB-H TV station broadcast all its TV programs from different TV
stations
in series?

For example, if a DVB-H station carries 20 TV stations, does it
transmit
all the programs like:

TV station #1 200ms, TV ststion #2 200ms, ..........TV ststion #20
200ms,
TV station #1 200ms, TV station #2 200ms, .........

This is the simple case. TV (or audio services) are transferred in IP
streams. One or more IP streams are carried in a single PID. For
DVB-H, the streams carried in a PID are broadcast in bursts. The
scheme you suggest is possible. It assumes one service per PID, all
having the same bit rate and all broadcast sequentially. However, the
standard allows different schemes. Multiple IP streams (services) can
be carried in a single PID. PID can be broadcast at the same time
(parallel bursts), bursts can have different length, different size
and different cycle times may be used.


So a receiver just wakes up once every 4 seconds? (4 seconds = 20 X
200ms)

for different services, the on/off times may differ in a real world
Transport stream

.

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