[opendtv] Re: A/53C PID requirements for Jan 1, 2005
- From: Mark Aitken <maitken@xxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Wed, 22 Dec 2004 10:09:43 -0500
I (too) am trying to confirm issues with receivers. What makes it so
difficult is the lack of understanding (even on the part of the
Broadcast vendors) of what is "correct", and what MAY "work".
Ron Economos wrote:
>William Smith wrote:
>
>
>
>>Ron,
>>1. What model receivers are having trouble?
>>
>>
>>
>>
>The receivers that stopped working were the
>Toshiba DST-3000, the VOOM stb, the
>USDTV stb, the Hitachi 51S700 integrated
>tuner HDTV and some PC tuner cards.
>
>A few stb's reverted back to the RF channel
>number and showed the MPEG-2 Program
>number as the sub-channel (24-3 and 24-4).
>
>The LG-4200A, Zenith HD-SAT520, RCA DTC-100,
>Sony HD-300 and my own Samsung SIR-T165 had no
>problems at all.
>
>
>
>>2. Did the TVCT get updated with the new informaion and a new version
>>number?
>>
>>
>>
>>
>I' don't work for KGO, but I am the MPEG-2 Transport Stream
>expert at LSI Logic (formerly C-Cube), so I was just trying to
>help out. However, it looks like they got some help from the USDTV
>folks and the problem appears to be solved as of 3 pm Tuesday
>(and they are still using Program numbers 3 and 4). If I find out
>what the actual problem was, I'll post it here. A TVCT mismatch
>seems highly possible.
>
>Ron
>
>
>
>>William
>>KET
>>
>>
>>Ron Economos wrote:
>>
>>
>>
>>
>>
>>>As many of you know, ATSC A/53C has dictated
>>>that all PID assignments (except for PAT) will be
>>>numbered equal to or above 0x0030 after January
>>>1st, 2005.
>>>
>>>At the same time, the "program paradigm" for PID
>>>assignment has been deleted. The "program paradigm"
>>>is in older versions of A/53, and assigns PID numbers with
>>>these formulas (where N equals the MPEG-2 Program
>>>Number).
>>>
>>>PMT = 16*N
>>>PCR = 16*N + 1
>>>Video = 16*N + 1
>>>Audio = 16*N + 4
>>>
>>>One of the local DTV stations here in the SF Bay Area,
>>>KGO-DT, has fulfilled the equal to or above 0x0030 PID
>>>requirement by changing their Program Numbers from 1 and 2
>>>to 3 and 4 and continuing to use the old "program paradigm".
>>>This results in PIDs 0x0030, 0x0031, 0x0034, 0x0040, 0x0041
>>>and 0x0044.
>>>
>>>This has caused some receivers to display a black screen
>>>and no audio when tuned to KGO-DT. No amount of
>>>re-scanning will resurrect these receivers.
>>>
>>>So the question to the group is:
>>>
>>>What is the safest way to satisfy the equal to or above 0x0030
>>>requirement? Since the "program paradigm" has been deleted,
>>>should MPEG-2 Program Numbers now start at 1 (instead
>>>of the previously recommended 2)?
>>>
>>>Thoughts and experience would be appreciated.
>>>
>>>Ron
>>>
>>>
>>>
>>>
>>>
>
>
>
>----------------------------------------------------------------------
>You can UNSUBSCRIBE from the OpenDTV list in two ways:
>
>- Using the UNSUBSCRIBE command in your user configuration settings at
>FreeLists.org
>
>- By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word
>unsubscribe in the subject line.
>
>
>
--
Regards,
Mark A. Aitken Director, Advanced Technology
***********************************
Sinclair Broadcast Group
10706 Beaver Dam Road
Hunt Valley, MD 21030
Business TEL: (410) 568-1535
Business MOBILE: (443) 677-4425
Business FAX: (410) 568-1580
E-mail: maitken@xxxxxxxxxx
Text PAGE: page.maitken@xxxxxxxxxx
www.newscentral.tv
www.sbgi.net
===================================
"America will never be destroyed
from the outside. If we falter
and lose our freedoms, it will be
because we destroyed ourselves."
~ ~ ~ Abraham Lincoln ~ ~ ~
***********************************
CONFIDENTIALITY NOTICE:
This email message and any files transmitted with it contain
confidential information intended only for the person(s) to whom this
email message is addressed. If you have received this email message in
error, please notify the sender immediately by telephone or email and
destroy the original message without making a copy. Thank you.
***********************************
----------------------------------------------------------------------
You can UNSUBSCRIBE from the OpenDTV list in two ways:
- Using the UNSUBSCRIBE command in your user configuration settings at
FreeLists.org
- By sending a message to: opendtv-request@xxxxxxxxxxxxx with the word
unsubscribe in the subject line.
Other related posts: