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» Film-Tech Forum ARCHIVE   » Community   » Film-Yak   » BBC accidentally broadcasts Aziz Ansari subtitles over nature show

   
Author Topic: BBC accidentally broadcasts Aziz Ansari subtitles over nature show
Brad Miller
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 - posted 08-04-2016 09:00 PM      Profile for Brad Miller   Author's Homepage   Email Brad Miller       Edit/Delete Post 
link to webpage

This is pretty funny.

quote:
A BBC nature documentary got their wires crossed when it accidentally aired Aziz Ansari subtitles from his standup show over their nature documentary.
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Brad Miller
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From: Plano, TX (36.2 miles NW of Rockwall)
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Brad Miller
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From: Plano, TX (36.2 miles NW of Rockwall)
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Scott Norwood
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 - posted 08-05-2016 07:41 AM      Profile for Scott Norwood   Author's Homepage   Email Scott Norwood   Send New Private Message       Edit/Delete Post 
That's funny!

How does something like this happen, though? I don't know about PAL-land (or if this has changed with HD and digtal broadcasting), but, with NTSC material, the closed captions are transmitted as part of the VBI and decoded in the receiver or with an external box. They are either generated live (as on a news or sports program) or recorded on the same tape as the program material, so I am curious as to how it is possible to mismatch two programs like this.

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Carsten Kurz
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 - posted 08-05-2016 08:10 AM      Profile for Carsten Kurz   Email Carsten Kurz   Send New Private Message       Edit/Delete Post 
Well I guess nowadays it's all file based, so it's easy to select the wrong one accidentally.

- Carsten

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Scott Norwood
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 - posted 08-05-2016 08:39 AM      Profile for Scott Norwood   Author's Homepage   Email Scott Norwood   Send New Private Message       Edit/Delete Post 
But wouldn't the entire program (picture, soundtrack, closed captions, SAP, etc.) be in the same file?

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Jonathan Goeldner
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 - posted 08-05-2016 08:48 AM      Profile for Jonathan Goeldner   Email Jonathan Goeldner   Send New Private Message       Edit/Delete Post 
LOL - that's too funny

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Carsten Kurz
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quote: Scott Norwood
But wouldn't the entire program (picture, soundtrack, closed captions, SAP, etc.) be in the same file?
Not necessarily, and not for broadcast. It's quite common nowadays to combine them very late in the process, sometimes (near) realtime.

And I think they are rarely using tape nowadays for broadcast.

- Carsten

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Daniel Schulz
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 - posted 08-05-2016 10:39 AM      Profile for Daniel Schulz   Author's Homepage   Email Daniel Schulz   Send New Private Message       Edit/Delete Post 
The Chive link gets it wrong, the original incident was reported to have been a BBC documentary streaming on Netflix with the wrong captions. Which makes more sense, since Ansari's Master of None is a Netflix program.

There's a running Reddit thread on the incident, the current theory being this never happened and it's a hilarious Photoshop job.

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Leo Enticknap
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 - posted 08-05-2016 11:34 AM      Profile for Leo Enticknap   Author's Homepage   Email Leo Enticknap   Send New Private Message       Edit/Delete Post 
I'm guessing that, just like in a DCP, the subtitles are in a separate XML file, and some software combines them with the video and audio for streaming.

It does surprise me that there is no safeguard against this, though, e.g. a unique serial number for the program that has to match up for all its constituent files, like the serial number for a DTS track (so that if you don't have the correct audio for the film ingested, nothing will play when the timecode reader detects that film passing through).

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James Westbrook
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 - posted 08-06-2016 11:58 AM      Profile for James Westbrook   Email James Westbrook   Send New Private Message       Edit/Delete Post 
Last year there were stills of someone watching the newer incarnation of Sailor Moon, the Japanese animated program, with subtitles from Southpark running with it. The one I recall had the cast of Sailor Moon standing, with the caption "This place is drippin' with Bitches" beneath it. Allegedly someone was watching Southpark, changed the channel to Sailor Moon, but the captions remained on Southpark.

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Stephen Furley
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 - posted 08-06-2016 04:03 PM      Profile for Stephen Furley   Email Stephen Furley   Send New Private Message       Edit/Delete Post 
Scott,

PAL video does not have the VBI closed captions (on line 21 is it?) that NTSC does. However, PAL video is no longer transmitted now, everything is digital. I don't know how subtitles are handled on digital terrestrial or satellite systems. The BBC has been tapeless for transmission for quite some time now.

This whole thing seems a bit strange.

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Carsten Kurz
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From: Cologne, NRW, Germany
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 - posted 08-06-2016 04:36 PM      Profile for Carsten Kurz   Email Carsten Kurz   Send New Private Message       Edit/Delete Post 
Well, where ever that actually happened, there is no 'natural' relation between an audiovisual program and a subtitle file, unless someone creates a link, and that happens manually. 'Assign this XML to that program playout'.

Once that relation is established, the timecode doesn't care wether it's the right subtitle playing at a certain time. So, human error, not too surprising. Technically, it's much more unlikely to have e.g. a completely different audio track play to the wrong video, because their relation is usually 'hard-linked' and more difficult to break.

- Carsten

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