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Forum: Home Theater Computers   08-26-2014, 07:55 AM
Replies: 11
Views: 1,013
Posted By sneals2000
I guess 4:2:0 (rather than 4:4:4 or 4:2:2) is an...

I guess 4:2:0 (rather than 4:4:4 or 4:2:2) is an issue for PC gamers. However all the 2160/60p and 2160/50p HEVC broadcast tests I've seen so far use 4:2:0 subsampling (and I expect Netflix 4K is the...
Forum: HDTV Technical   08-24-2014, 03:18 PM
Replies: 13
Views: 272
Posted By sneals2000
I bought a 1 input, 4 output device like this :...

I bought a 1 input, 4 output device like this : http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=290724340294&ssPageName=ADME:L:OC:GB:3160

I believe it is hit and miss how the HDCP is...
Forum: HDTV Technical   08-24-2014, 03:13 PM
Replies: 8
Views: 473
Posted By sneals2000
Yep - still the standard for live ITV shows. ...

Yep - still the standard for live ITV shows. There are three separate companies who form the ITV network in the UK. ITV plc (which owns all the former franchise regions in England, Wales and the...
Forum: HDTV Technical   08-24-2014, 07:23 AM
Replies: 13
Views: 272
Posted By sneals2000
There are also some HDMI distribution amps that...

There are also some HDMI distribution amps that appear to forget about HDCP on their outputs but not on their inputs. Useful little £25 boxes - but probably in breach of lots of legislation.
Forum: HDTV Technical   08-24-2014, 07:20 AM
Replies: 8
Views: 473
Posted By sneals2000
Yep - that was the system I mentioned in the...

Yep - that was the system I mentioned in the beginning of my post. (Couldn't remember the SMPTE number) It's present in the stream that the network feed to the local stations, but isn't passed on by...
Forum: HDTV Programming   08-20-2014, 01:27 AM
Replies: 35
Views: 1,014
Posted By sneals2000
Don't know about the US, but in the UK, after the...

Don't know about the US, but in the UK, after the success of "The Day of the Doctor" in cinemas, "Deep Breath" - the first episode of season 8 - is being shown in 450 cinemas in the UK as well as on...
Forum: HDTV Technical   08-19-2014, 03:47 PM
Replies: 8
Views: 473
Posted By sneals2000
There are a number of systems used to trigger...

There are a number of systems used to trigger commercial breaks.

Some of the older systems use inaudible tones.

The system I think you are speaking of uses auxiliary data which is carried in...
Forum: HDTV Technical   08-19-2014, 03:43 PM
Replies: 16
Views: 562
Posted By sneals2000
Though in the days of analogue composite, PAL and...

Though in the days of analogue composite, PAL and NTSC were both the production format and transmission format, with camera CCUs outputting PAL/NTSC composite, vision mixers (aka switchers) cutting...
Forum: HDTV Technical   08-19-2014, 04:20 AM
Replies: 16
Views: 562
Posted By sneals2000
I think you are misunderstanding me. For...

I think you are misunderstanding me. For broadcast production and transmission you shot on HiVision and broadcast in MUSE. You didn't shoot in MUSE as MUSE wasn't a production format. You didn't get...
Forum: HDTV Technical   08-18-2014, 04:26 AM
Replies: 16
Views: 562
Posted By sneals2000
Originally HDTV used system cameras (i.e. cameras...

Originally HDTV used system cameras (i.e. cameras without integrated recorders, instead running over Triax or Fibre to a remote control room in a truck or studios). These were tube based (Saticons...
Forum: HDTV Technical   08-18-2014, 04:16 AM
Replies: 16
Views: 562
Posted By sneals2000
Suspect it was shot using HiVision gear rather...

Suspect it was shot using HiVision gear rather than MUSE - but this detail is always confused.

AIUI technically MUSE was the transmission system (similar to ATSC or QAM these days). HiVision...
Forum: HDTV Technical   08-18-2014, 04:09 AM
Replies: 16
Views: 562
Posted By sneals2000
And if you consider 819-lines interlaced HDTV -...

And if you consider 819-lines interlaced HDTV - then the French were using that back in 1949 in B&W. (In modern parlance it was 737i) The BBC described the 1936 all-electronic 405 line (aka 377i) as...
Forum: HDTV Programming   08-18-2014, 03:25 AM
Replies: 336
Views: 38,832
Posted By sneals2000
James Corden was also in the West End production...

James Corden was also in the West End production and film of "The History Boys", co-wrote and starred in the popular BBC sitcom "Gavin and Stacey", and presents a long-running sports game show on Sky...
Forum: LCD Flat Panel Displays   08-17-2014, 05:01 AM
Replies: 29
Views: 3,117
Posted By sneals2000
Probably going to confuse things a bit. ...

Probably going to confuse things a bit.

Aren't the 50 and 60Hz 2160p modes on (at least some of) the Sony 4K sets being implemented using 4:2:0 rather than 4:2:2 chroma? (Our Sony 4K set clearly...
Forum: LCD Flat Panel Displays   08-07-2014, 11:26 AM
Replies: 18
Views: 371
Posted By sneals2000
And your HDMI connection is 1080p not 1080i?

And your HDMI connection is 1080p not 1080i?
Forum: LCD Flat Panel Displays   08-07-2014, 06:55 AM
Replies: 18
Views: 371
Posted By sneals2000
Do you see this on 1080i broadcast TV or also on...

Do you see this on 1080i broadcast TV or also on 1080p Blu-ray? If the latter are you connecting your Blu-ray player to your TV via 1080p or 1080i?

My first instinct is that you are seeing 1080i...
Forum: HDTV Programming   08-04-2014, 06:24 AM
Replies: 151
Views: 3,622
Posted By sneals2000
Aleron Ives - are you sure it was actually...

Aleron Ives - are you sure it was actually produced in 14:9 and not just broadcast by C4 in 14:9 letterbox.

By 1998 UK broadcasters were commissioning drama to be produced in 16:9, even if they...
Forum: HDTV Technical   08-02-2014, 06:00 AM
Replies: 17
Views: 807
Posted By sneals2000
Err - I'm sitting looking at one now. My...

Err - I'm sitting looking at one now. My BlackMagic Ultrastudio Express has both HDMI and HD-SDI inputs for recording, and outputs for replay.

It's a common requirement to be able to record the...
Forum: HDTV Programming   07-31-2014, 05:37 PM
Replies: 142
Views: 4,728
Posted By sneals2000
Yes - though there was a major falling out...

Yes - though there was a major falling out between Ramsay and his wife's family, who were quite heavily involved in his business affairs, a few years ago. Got quite nasty.
Forum: HDTV Technical   07-30-2014, 12:13 PM
Replies: 129
Views: 5,915
Posted By sneals2000
Ouch. DVB does seem a bit more flexible in many...

Ouch. DVB does seem a bit more flexible in many areas.
Forum: HDTV Technical   07-30-2014, 12:11 PM
Replies: 129
Views: 5,915
Posted By sneals2000
The optical media and UDF file format does, but...

The optical media and UDF file format does, but AIUI the Blu ray video spec doesn't include support for 2160p video using either H264/AVC or H265/HEVC encoding does it? So it's a bit like saying...
Forum: HDTV Technical   07-29-2014, 12:32 PM
Replies: 129
Views: 5,915
Posted By sneals2000
Well SD in the UK is close-to-unwatchable on...

Well SD in the UK is close-to-unwatchable on decent screen sizes. Compare BBC DVB-T MPEG2 in 2003 with BBC DVB-T in 2014 (I have off-air transport stream recordings from 2003) and you can clearly...
Forum: HDTV Technical   07-29-2014, 12:27 PM
Replies: 129
Views: 5,915
Posted By sneals2000
That seems to major on the IP MPEG-DASH streaming...

That seems to major on the IP MPEG-DASH streaming trials and not really cover the DVB-T2 stuff. I'm not surprised there were relative delays between IPTV solutions - different levels of buffering and...
Forum: HDTV Technical   07-27-2014, 01:45 PM
Replies: 129
Views: 5,915
Posted By sneals2000
Many countries outside the US fund national TV...

Many countries outside the US fund national TV broadcasters via non-commercial routes.
Forum: HDTV Technical   07-27-2014, 07:14 AM
Replies: 129
Views: 5,915
Posted By sneals2000
Again - a major difference between the US and...

Again - a major difference between the US and Europe. Here in many countries in Europe it is the OTA broadcasters who are producing the programming that takes the chances - not the Pay-TV...
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