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Forum: HDTV Technical   03-04-2015, 04:43 PM
Replies: 23
Views: 613
Posted By sneals2000
So you subsample the source picture, effectively...

So you subsample the source picture, effectively filtering out content about a certain HF frequency, but keep the pixel rate the same to reduce the data rate. Kind of like taking a 704x480 signal,...
Forum: HDTV Technical   03-02-2015, 09:56 AM
Replies: 23
Views: 613
Posted By sneals2000
Yes - you are absolutely correct about the UK TV...

Yes - you are absolutely correct about the UK TV Licence (which funds the BBC domestic TV and Radio services, Welsh language TV, the international BBC World Service Radio and Arabic/Persian TV...
Forum: Home Theater Computers   03-01-2015, 09:07 AM
Replies: 36
Views: 1,032
Posted By sneals2000
None of the Pis play DTS-HD MA (if that is what...

None of the Pis play DTS-HD MA (if that is what you mean). They play the DTS core stream (usually around 1.5Mbs so pretty good quality for a lossy encode) that is part of the DTS HD-MA/HRA streams. ...
Forum: Home Theater Computers   02-28-2015, 09:38 AM
Replies: 62
Views: 2,171
Posted By sneals2000
No - only the Pi B, B+ and Pi B 2 have wired...

No - only the Pi B, B+ and Pi B 2 have wired Ethernet. The Pi A and A+ don't have it.
Forum: Home Theater Computers   02-28-2015, 09:37 AM
Replies: 62
Views: 2,171
Posted By sneals2000
The Pi and Pi 2 both do 23.976p and 24.000p (as...

The Pi and Pi 2 both do 23.976p and 24.000p (as well as 59.94 and 60.00) with no problems.

The Pi will output PCM 5.1 at up to 96kHz and 4.0 at up to 192kHz. The Pi2 can software decode Dolby...
Forum: HDTV Technical   02-27-2015, 02:41 PM
Replies: 23
Views: 613
Posted By sneals2000
In lots of European countries OTA reception is...

In lots of European countries OTA reception is very common. However because most countries in Europe don't have the same 'local station' model as the US, the main networks (public and commercial)...
Forum: HDTV Technical   02-24-2015, 03:32 PM
Replies: 56
Views: 1,801
Posted By sneals2000
It is entirely likely that on-demand content will...

It is entirely likely that on-demand content will be encoded via a different route (and in a different codec) to the same content on a live linear channel.
Forum: HDTV Technical   02-23-2015, 05:15 PM
Replies: 56
Views: 1,801
Posted By sneals2000
That's not the case with any European cable or...

That's not the case with any European cable or satellite PVR I've come across (*). The boxes sold here only usually have one Conditional Access Module and MPEG2/H264 decoder in them which is used...
Forum: HDTV Technical   02-21-2015, 04:10 AM
Replies: 23
Views: 613
Posted By sneals2000
Ah - that would make sense. I guess the other...

Ah - that would make sense. I guess the other big difference between the European and US model is that in many European countries, the actual TV transmitter operation is not operated or run in many...
Forum: HDTV Technical   02-16-2015, 04:02 PM
Replies: 23
Views: 613
Posted By sneals2000
544x576 is a very popular resolution here. Lots...

544x576 is a very popular resolution here. Lots of stations switched from 720x576 or 704x576 to 544x576 when they launched HD services...
Forum: HDTV Technical   02-16-2015, 04:00 PM
Replies: 23
Views: 613
Posted By sneals2000
Radio over digital OTA (and satellite) TV is a...

Radio over digital OTA (and satellite) TV is a big thing in the UK. All of the BBC UK-wide stations (Radio 1,2,3,4,5Live, 6Music, 4Extra, 1Xtra, Asian Network and World Service plus some national...
Forum: HDTV Technical   02-14-2015, 06:46 AM
Replies: 23
Views: 613
Posted By sneals2000
Yep - my understanding is that the ATSC spec...

Yep - my understanding is that the ATSC spec doesn't really allow for SD resolutions other than 704x480/640x480 - so if a station is to be ATSC compliant it can't use reduced horizontal or vertical...
Forum: HDTV Programming   01-21-2015, 04:04 PM
Replies: 2
Views: 220
Posted By sneals2000
Wonder if they chose to do it in London because...

Wonder if they chose to do it in London because there are a number of 4K production trucks here - as Sky UK are trialling 4K for Sport with their resource suppliers. (I know that there are some 4K...
Forum: HDTV Technical   01-18-2015, 04:52 AM
Replies: 19
Views: 577
Posted By sneals2000
I agree that microphone phase is an issue - but...

I agree that microphone phase is an issue - but it's an issue that pros handle all the time. However once the mics have been connected to DACs at a stage box (and I accept mis-wired multicores or...
Forum: HDTV Programming   01-05-2015, 11:04 AM
Replies: 87
Views: 11,419
Posted By sneals2000
I don't know of any broadcast camera operators...

I don't know of any broadcast camera operators who use AutoFocus on-shot, and it is only relatively recently that broadcast lenses have had AF facilities at all, and it is still an optional extra, so...
Forum: HDTV Programming   01-03-2015, 04:03 PM
Replies: 41
Views: 1,523
Posted By sneals2000
The 59'00" and 29'00" rule is really for shows...

The 59'00" and 29'00" rule is really for shows that are scheduled weekdays in the BBC's xx:00 and xx:30 block system (that most UK broadcasters follow weekdays, with the odd xx:15 and xx:45 bits) ...
Forum: HDTV Programming   01-03-2015, 10:22 AM
Replies: 41
Views: 1,523
Posted By sneals2000
59 minutes is a standard "BBC Hour", with 29...

59 minutes is a standard "BBC Hour", with 29 minutes being the usual "BBC Half Hour". When shows are commissioned for hour or half-hour slots that is the usual duration you'd expect to fill (give or...
Forum: HDTV Technical   01-01-2015, 11:41 AM
Replies: 7
Views: 188
Posted By sneals2000
The only reason to use S-video these days is...

The only reason to use S-video these days is probably for S-VHS/Hi8 replay and any devices that generate video internally but don't have component, HDMI or RGB (common in Europe). Laserdisc was a...
Forum: HDTV Programming   12-31-2014, 09:09 AM
Replies: 12
Views: 419
Posted By sneals2000
Charlie Brooker, who wrote Black Mirror, is...

Charlie Brooker, who wrote Black Mirror, is probably the nearest thing to a John Stewart we have in the UK.
Forum: HDTV Technical   12-30-2014, 05:47 PM
Replies: 21
Views: 375
Posted By sneals2000
Fox is the unusual one in the US isn't it - in...

Fox is the unusual one in the US isn't it - in that the network content is encoded for emission (i.e. the final OTA leg) by the network centre, and they use the splicers at the local station to pass...
Forum: HDTV Technical   12-29-2014, 11:40 AM
Replies: 21
Views: 375
Posted By sneals2000
I think all broadcasters run at a fixed broadcast...

I think all broadcasters run at a fixed broadcast resolution - 720p or 1080i (in the UK we have an oddball dynamic 1080p/1080i encoder format switching system on HD OTA channels but to all intents...
Forum: HDTV Technical   12-28-2014, 03:37 AM
Replies: 21
Views: 375
Posted By sneals2000
Ah - the landscape is very different in the UK....

Ah - the landscape is very different in the UK. Here the bulk of MCR operations (programme playout, advertising playout etc.) are outsourced by the main networks (including handling the...
Forum: HDTV Technical   12-27-2014, 04:17 PM
Replies: 19
Views: 577
Posted By sneals2000
Meta data is often your enemy with Dolby I...

Meta data is often your enemy with Dolby I believe... And that is more than a button press.
Forum: Home Theater Computers   12-27-2014, 11:44 AM
Replies: 35
Views: 702
Posted By sneals2000
Kodi doesn't play 3D Blu-rays internally... It...

Kodi doesn't play 3D Blu-rays internally... It doesn't have any MVC decoding in it as there is no open source MVC decoding solution, and AIUI GPU manufacturers haven't exposed their MVC hardware...
Forum: HDTV Technical   12-27-2014, 11:41 AM
Replies: 19
Views: 577
Posted By sneals2000
Ah - I took "handle phase hookup on 5 channel...

Ah - I took "handle phase hookup on 5 channel audio" to suggest hooking up the 5 channel audio in phase to an encoder (as I thought we were discussing problems at a local station) rather than hooking...
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