Thank you! On 25-Oct-05, at 1:28 PM, Mark Schubin wrote: > Figure 1 of this recommended practice shows the BBC Pluge. The U.S. > version is just the three dark bars. > > http://www.ebu.ch/CMSimages/en/tec_text_r23-1997_tcm6-4713.pdf > > TTFN, > Mark > > > John Golitsis wrote: > > >> Yes..."modulated steps" would be the proper way to describe it. >> >> A better choice of patterns to ask about would probably be a standard >> BBC PLUGE pattern, which I believe has 5 steps? >> >> >> On 25-Oct-05, at 12:46 PM, Mark Schubin wrote: >> >> >> >> >>> Not sure what a "'standard' needle pulse test pattern" is. This web >>> site shows the standard NTC-7 composite test signal (go to the >>> bottom): >>> http://www.spectrum-soft.com/news/fall99/ntc7.shtm >>> >>> I suppose the 2T pulse can be considered a "needle." Are the >>> modulated >>> steps what you refer to as blocks? >>> >>> The FCC composite VITS signal is almost the same thing rearranged. >>> This >>> site lists almost all of the in-service insertion test signals: >>> http://www.tek.com/Measurement/cgi-bin/framed.pl?Document=/ >>> Measurement/App_Notes/NTSC_Video_Msmt/ >>> beyondbars.html&FrameSet=television >>> >>> TTFN, >>> Mark >>> >>> >>> >>> John Golitsis wrote: >>> >>> >>> >>> >>> >>>> A "standard" needle pulse test pattern has a series of blocks in >>>> the >>>> center. I'm pretty sure I read once that the blocks are arranged >>>> with 100 IRE on the top, and then each successive block is half >>>> that. Can anyone confirm? >>>> >>>> >>>> >>>> ------------------------------------------------------------------- >>>> -- >>>> - >>>> 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. >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>> -------------------------------------------------------------------- >>> -- >>> 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. >>> >>> >>> >>> >>> >> >> >> >> --------------------------------------------------------------------- >> - >> 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. >> >> >> >> >> >> > > > ---------------------------------------------------------------------- > 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. > > ---------------------------------------------------------------------- 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.