SAT-IP Archive

Why is broadcast-LAN technology still relevant nowadays

There is still in most areas of the world an undercurrent of interest regarding broadcast-LAN setups where a server box is connected to a TV-broadcast source and streams it across a small network to be picked up by various network-enabled devices. Such setups are used to facilitate access to traditional TV services from a tablet or laptop without the need to use a USB tuner module.

What is broadcast-LAN technology

Broadcast-LAN setup

A broadcast-LAN device like the HDHomeRun devices is a network server device that houses one or more radio or TV tuner front-ends and streams the audio or video content from radio or TV broadcasts over a local network. Client devices like computers, smartphones, tablets or smart TVs pull in these streams offered by the broadcast-LAN device to show on their screens or play through their speakers.

The broadcast-LAN device is typically connected to the RF source it is designed to work with like an aerial (antenna) for a traditional terrestrial radio / TV setup, a satellite dish for a satellite-TV service or a cable-TV infrastructure.

Some of these systems may even decrypt premium pay-TV content themselves through the use of a separately-installed hardware decryption module or integrated software. On the other hand, software in the client device may decrypt the premium content. Here, it is about providing access to pay-TV from multiple TV sets without the need for a set-top box.

Why is there interest in broadcast-LAN technology

One advantage is that there isn’t a need to run a connection from the RF source (cable TV, outdoor TV aerial, satellite dish) to each viewing device. It also obviates the need to use a dodgy indoor antenna such as “rabbit’s ears” as a substitute set-local connection. Nor is there the need to have a cable-TV or TV-aerial technician install cable-TV or TV-aerial sockets in each room you would likely to use an easily-transportable TV in, something that can easily be required when you use a room for a different purpose.

A broadcast-LAN setup provides a method of streaming TV over your network that is independent of your Internet service’s quality. It can then appeal to those of us who use a laptop, smartphone or tablet to watch TV content via our home network in lieu of using a small TV to watch broadcast content in secondary areas. This is because it can use your home network, especially if you use Wi-Fi wireless or HomePlug powerline technology, to transport the video streams from the broadcast-LAN device to the client devices.

As well, there isn’t the need to run multiple client apps or Web URLs to pick up the different broadcasts that are available to you. If you use the app or interface associated with the broadcast-LAN setup, you are able then to have a viewing experience similar to traditional TV viewing including the ability to channel surf like you always did.

Such technology plays in to the hands of people and societies who show a strong interest in traditional free-to-air TV content such as countries with a strong public-service broadcast scene like Europe or Australia, or the cord-cutting trend that is taking place among young people in America where people are dumping cable TV services and watching online content and local broadcast TV.

Some manufacturers have seen these facts as a point of innovation by integrating a broadcast-LAN server function in a TV-antenna device or component. For example a number of European satellite-dish component manufacturers have offered “IP LNB” devices which comprise a broadcast-LAN server device including multiple tuners in an LNB antenna device that mounts on to a satellite dish, with these devices being powered by Power-Over-Ethernet technology. Similarly, some indoor TV aerials and portable satellite dishes are being equipped with this functionality including, in some cases, DHCP and Wi-Fi access point functionality to allow for a transportable TV setup for your tablet or laptop.

Another factor being called out for broadcast-LAN by some vendors is the idea of using multiple broadcast-LAN server devices to increase the capacity of a TV-viewing setup based on this technology. This is through adding additional broadcast-LAN server devices to the same RF source in order to allow an increased number of TV channels from that source to be watched or recorded concurrently. On the other hand, adding an additional broadcast-LAN server device associated with different RF technology such as satellite TV to a home network equipped with an extant broadcast-LAN device could open up access to programming offered by that different technology.

Key drivers

SAT>IP concept diagram

What SAT>IP is about with satellite TV

For Europe, Asia and Oceania, the European technology-standards bodies have worked on standards that facilitate broadcast-LAN setups. These are SAT>IP, better referred to as SAT-IP, which links satellite-TV tuners and client hardware or software to an IP-based small local network; and DVB-I which is about integrating IP-based TV sources to the same setup and usage experience as regular RF-based TV sources. It has also led to both standards bodies to work towards using the same protocols no matter whether it’s cable, terrestrial or satellite.

Another driver that has been called out in the US market through the Obama presidency was the idea of access to cable TV across one’s household without the need to equip each TV with a set-top box provided by the cable-TV provider. But this idea has fallen apart thanks to a newer government that supports the status quo with the cable-TV providers.

It also had been pitched towards the cable and satellite TV industry as a way to save money on set-top-box inventory and allow, for example, the rental of one highly-capable multi-tuner PVR box that connects to the subscriber’s home network and the main TV. The household then connects secondary TVs and computing devices to this PVR box via the same home network to view live or recorded TV content offered by the pay-TV service on these devices.

Similarly, an increasing number of broadcast-LAN server devices support DLNA / UPnP AV content-discovery standards which are supported by most Smart TVs and video peripherals. Here, it means that most of these devices can pull in the TV stations without the need for extra software.

A broadcast-LAN setup offers a way to future-proof one’s TV experience for newer broadcasting technologies. This is more so as ATSC and DVB are investigating, trialling or driving the market to implement newer digital TV standards that can support 4K UHD TV broadcasts. Here, a standards-compliant broadcast-LAN device could be able to use its DLNA presence or a single app to bring forth TV delivered according to newer standards to existing equipment.

What needs to happen

At the moment, the broadcast-LAN idea is primarily being used by people with higher technical / IT skills. This is typically due to various rigmaroles being required to set up most of these server boxes or a requirement to use set-top boxes or other video peripherals with most existing TVs. It also includes being able to track down necessary client software for most operating systems if you are using a laptop, tablet or smartphone.

Simplified setup and operation

There will have to he the idea of a simplified setup routine to reduce the time taken to get a broadcast-LAN setup running or adapting it to newer broadcast conditions like the arrival of new stations or stations changing their output channels. With SAT>IP setups, it would be facilitated by the client devices and software “remembering” channel details as a channel update is performed. On the other hand, it may be about the broadcast-LAN box remembering these details and you using a Web-based user interface to instigate a channel scan.

The SAT>IP setup could support server-side caching so that new clients can quickly download a broadcaster details list when they are setup rather than causing the broadcast-LAN box to do a channel scan. Similarly a server-based setup could provide for a Web-based UPnP-compliant setup with a lean-back display optimisation to allow users or installers to complete tune-in procedures, along with a hardware-based “install” button to instigate tuning and network-interface setup.

One issue that has to be raised is to provide station-listing-aggregation or EPG-aggregation so that you see a TV station as one entry even if you are using multiple broadcast-LAN devices. This could be facilitated by one server device acting as an aggregator or through the use of advanced client software. Answering this question could facilitate handling sites with many end-users or PVRs recording many shows concurrently. This is a situation that comes up during peak TV-ratings seasons where all the broadcasters concurrently run shows of popular interest.

Another issue that will come up is for client devices to support standards-driven Web-based interactive TV like HBBTV or RVU when they receive broadcast content through a broadcast-LAN setup.

Marketing the concept to everyone

Then there is the issue of marketing the broadcast-LAN concept to mainstream TV viewers. Firstly, it would be successful for setups that are standards-based like SAT>IP and aren’t dependent on particular manufacturer-supplied apps.

The main use cases that would be positioned here are to support the use of supplementary viewing devices without the need to pull extra RF cable; or to support satellite TV in a convenient manner. It is of key importance to those of us who live in rented homes or multi-dwelling buildings where you have to seek your landlord’s or building committee’s permission to have extra TV outlets installed.

It also includes the use of portable computing devices especially tablets and laptops for viewing TV anywhere within the scope of your home network.

TV manufacturers would also have to provide network and broadcast-LAN client functionality within cheaper TV sets that are pitched as second or supplementary sets (typically sets with screens less that 40 inches or having reduced functionality), as well as the larger TVs typically pitched for primary use. As well, providing easy-to-use client software that can be an add-on app or baked in to the operating system could open up this experience for people using devices like tablets, games consoles or laptop computers.

As well, games consoles, media boxes, Blu-Ray players and similar video peripherals would need to support standards-based broadcast-LAN client functionality. This would be of importance with the fact that these devices can enable secondary TV sets not equipped with broadcast-LAN client capabilities such as older sets that have been pushed down from primary-area service.

Conclusion

The concept of broadcast-LAN server devices that work with your home network still has relevance today especially where receiver-setup flexibility is important. It also allows for multiple receiver devices to be operated in premises where installation of RF infrastructure will be difficult like rented premises.

But these setups need to be simplified when it comes to installation or operation and awareness of this concept needs to be underscored across the general populace.

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SAT-IP technology to extend to terrestrial and cable TV setups

Article – From the horse’s mouth

Broadcast-LAN setup

This could become the way to distribute cable and terrestrial TV around the home in Europe

AVM

SAT>IP — what is it? (Blog Post relating to DVB-C broadcast-LAN abilities in some AVM FritzBox cable modem routers)

My Comments

In Europe, SAT-IP, properly spelt SAT>IP, has been established as a broadcast-LAN standard for satellite-TV setups. This implements a satellite broadcast-LAN tuner that connects between the satellite dish and your home network, whereupon a a compatible TV or set-top box or a computing device running compatible software “tunes in” and picks up the satellite broadcast.

Lenovo Yoga Tab Android tablet

A mobile-platform tablet running a SAT-IP client could end up serving as a portable TV for a cable or terrestrial TV setup

At the moment, Panasonic smart TVs pitched to the European market can work with a SAT-IP setup, with Loewe rolling this feature in to their models, but there is a wide range of software including VLC that can work with this setup along with a significant number of set-top boxes.

But this technology is being taken further by extending it to terrestrial and cable TV setups, especially in Germany which has a infrastructure-agnostic policy regarding the distribution of free-to-air and pay TV. That is you could watch Tatort on Das Erste in that country no matter whether you are using the traditional TV antenna, a cable-TV infrastructure or a satellite dish. Some online resources in that country even use the name TV-IP or TV>IP to describe this all-encompassing approach.

Dell Inspiron 13 7000 2-in-1 Intel 8th Generation CPU at QT Melbourne hotel - presentation mode

.. as could one of these Windows-based 2-in-1 convertibles

There is still the issue with rented properties and most multi-family developments where there is only one point of entry for the cable-TV service and it becomes more of a hassle to add extra cable-TV outlets around the premises for extra sets. There is also the fact that most of us are using laptops, tablets and smartphones in lieu of the portable TV for doing things like watching “guilty-pleasure” TV around the home.

AVM are releasing Fritz!OS 7 firmware for their Fritz!Box 6490 Cable and Fritz!Box 6590 Cable modem routers that provides a SAT-IP server functionality to extend these devices’ broadcast-LAN abilities, initially facilitated using DLNA. They also are rolling this function to the Fritz!WLAN Repeater DVB-C which is another broadcast-LAN device for cable TV in addition to a Wi-FI repeater.

Once updated, these Fritz!Box cable modem routers and the Fritz!WLAN Repeater DVB-C will present the DVB-C cable-TV and radio signals to any SAT-IP client device or software as if you are using a SAT-IP satellite broadcast-LAN device. I also see this working with those SMATV (shared satellite dish) setups for larger building that repackage satellite TV and terrestrial TV channels as DVB-C-compatible cable-TV channels.

I wouldn’t put it past other broadcast-LAN vendors courting the European market to have their non-satellite devices become SAT-IP servers. But also what needs to happen is that more TV manufacturers to implement SAT-IP-based technologies “out of the box” across their product ranges.

It could appeal to a hassle-free approach to TV-location approach where you have a single entry point for your TV aerial, cable-TV service or satellite dish but you use your home network, be it Wi-Fi 5/6 (802.11ac/ax), HomePlug AV2 or Ethernet, and a SAT-IP compatible broadcast-LAN box to permit you to relocate your TV or add more sets as you please. This is without having to call in a TV-aerial technician to install extra sockets or get the landlord to assent to their installation.

Another factor that would drive SAT-IP or TV-IP further would be to build support for it in to games consoles and similar devices that are expected to be single-box multimedia terminals. Think of devices like the XBox One, PS4, Apple TV and the like, or regular computers running their native operating systems.

But it may be seen as a big ask unless this technology is implemented beyond continental Europe. This is due to the common tech attitude that if a technology isn’t implemented beyond a particular geographic area or isn’t implemented in the USA, it will miss the boat for native operating-system support.

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Sat-IP makes the single-piece broadcast-LAN satellite dish possible

Articles – From the horse’s mouth

SES-Astra

SELFSAT>IP, The World’s First SAT>IP Antenna, Gives Mobile Reception Devices Full Accessibility To Satellite Broadcasts – News release

SelfSat

Self-Sat IP range

Product Page

Snipe Air, Snipe Dome Air, Snipe Wing Air

Product Page

My Comments

A Korean company had launched a new direction for satellite antennas where they aren’t a dish with the LNB antenna in front but a multiple-layered plate which masks a horn-based waveguide to the LNB antenna in the back. It is very similar to how a horn-style tweeter on some PA and hi-fi speakers works, allowing for efficient handling of very high frequencies.

This company, SelfSat, has allowed for this to materialise as a highly-compact satellite antenna that can be installed by just about anyone even in situations were the traditional satellite dish can be perceived to be ugly and subject to all sorts or regulations and rigmarole. As well, these antennas also are pitched at cheaper multiple-tenancy housing which isn’t equipped with a SMATV (common satellite dish) setup for satellite-TV reception.

But they took this further by offering a range of single-piece antennas that have integrated SAT-IP broadcast-LAN support with its own Ethernet connection. This allows he SelfSat>IP antennas to each serve up to eight SAT-IP reception devices with content concurrently.

There is also  2 LNB outputs on this satellite antenna so you can connect a multi-tuner PVR sat-box or multiple set-top “display-only” sat-boxes.

SelfSat even took this further with their Snipe Air lineup of mobile SAT-IP broadcast-LAN antennas which have their own 802.11ac Wi-Fi access point to distribute satellite TV to 8 concurrent Wi-Fi-equipped computer devices. I am not sure whether these only function as access points in that they create their own network or whether they can be part of an existing Wi-Fi network, contributing satellite broadcasts to that network.

The best application example that comes to mind for the Snipe Air SAT-IP antennas is the Tour De France where one or more of the “camping-cars” (motorhomes) that line the route of the cycle race use this antenna to pull in any of France Télévision’s coverage signals that the Astra satellite yields, serving one or more iPads or convertible laptops with vision of where the peleton is currently at. This allows for a judgement call about whether to run out to the roadside to see it pass or not.

The advantage that SelfSat pitches about Snipe Air compact satellite antennas is that they can be stored easily in a small car’s boot with room to spare or that, in the case of some models, they have the same roof profile on a caravan, campervan or motorhome as the typical roof-mount RV air conditioner.

What do I see of SelfSat’s SAT-IP efforts? I see them as a way to reduce the fuss associated with deploying the equipment necessary to receive satellite TV service. This could open up paths for many-endpoint mobile applications like the “Tour De France caravan parks”  familiar to anyone who watches that cycle race, or the road coaches that offer competitive road transport service across European borders.

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Another satellite operator to benefit from SAT>IP technology

Article Print

SES teams up with rival Hispasat to launch SAT>IP industry alliance | VideoNet TV

My Comments

SAT>IP concept diagram

What SAT>IP is about with satellite TV

Previously, SES Astra have launched a standard for broadcast-LAN transmission of satellite-TV signals around a home or similar computer network. This standard, known as SAT>IP or can be known as SAT-IP, is based on UPnP technology but with the ability to transmit broadcast selection and satellite selection information to the server devices.

This was initially setup for the SES Astra satellite infrastructure that was common in Europe but SES have partnered with Hispasat who are a Spanish TV satellite operator competing with them to push SAT>IP across the whole of the European TV satellite space.

Devolo dLAN TV SAT Multituner SAT>IP server press picture courtesy of Devolo

Devolo dLAN TV SAT Multituner SAT>IP server

This is because an increasing number of companies are manufacturing equipment designed for this infrastructure, including Panasonic who are fielding a range of Smart TVs with client functionality. For that matter, some of their “lounge-room” TVs are offering the server functionality so they can work with the existing satellite-TV infrastructure yet pass this on to SAT>IP clients.

SES are also stepping back from promoting this standard and are putting the mantle of promotion on to the supporters and adopters who are developing the equipment. This is to encourage an operator-neutral attitude towards implementing the broadcast-LAN technology for satellite TV.

It is also worth noting that a network can have multiple SAT>IP servers on it which can also cater to multiple-dish setups where there is a goal to receive content from multiple satellite platforms, something that may be of importance in Germany especially. Who knows what this could lead to with a level playing field offered by SAT>IP.

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Internationaler Funkaustellung 2013–Part 2

IFA LogoIn my first part of the series on this year’s International Funkaustellung 2013 trade show, I had covered the personal IT trends that were being underscored here. These were the rise and dominance of the highly-capable Android smartphone, the arrival of the large-screen “phablet” smartphones, Sony offering high-grade digital-photo abilities to smartphones and improving on these in their smartphones, the convertible and detachable-keyboard notebook-tablet computers becoming a mature device class as well as the arrival of the smartwatch as a real product class.

Now I am focusing on what is to happen within the home for this second part.

Television-set and home AV technology

The television set is still considered an integral part of the connected home, especially as a group-viewing display device for content delivered via the Internet or the home network.

4K Ultra-high-definition TVs

Most of the activity surrounding the 4K ultra-high-definition TV technology has been with manufacturers releasing second-generation 4K models with the focus on the 55” and 65” screen sizes. It is also the time when the HDMI 2.0 connection specification, which yields the higher throughput for the 4K ultra-high-definition video plus support for 32 audio streams and more, has been called and most of these manufacturers are accommodating this in their second-generation designs whether baked in or as a firmware update as in the case of Sony’s newly-released 55” and 65” 4K designs.

Panasonic had initially held off with releasing a 4K set but released the Smart VIERA WT600 which is a 55” OLED 4K which had the “second-generation” credentials like the aforementioned high-speed HDMI 2.0 connection. LG had launched a pair of 4K models with one having a 50-watt soundbar and “micro-dimming” which adjusts the screen brightness in an optimum manner for the video material. Even Haier, the Chinese consumer-goods manufacturer had jumped in on the 4K bandwagon.

There are still the very-large-screen 4K UHDTV sets with screens of 84” to 94”. Now Samsung have launched 4K models with astonishing screen sizes of 98” and 110”.

At the moment, there is some work taking place concerning the delivery of content with the 4K screen resolution. Sony have set up a download-based content delivery service with the FMP-X1 hard-disk-based media player and based around a rental-based or download-to-own business model. Samsung is partnering with Eutelsat to deliver 4K UHDTV broadcasts to the home using satellite-TV technology as well as others working with the Astra satellite team to achieve a similar goal.

OLED TV screens

Another key trend that is affecting the “main-lounge-room” TV set is the OLED display reaching 55” and above in screen size. Those of you who own or have used a Samsung, HTC or Sony smartphone will have seen this technology in action on the phone’s display.

Samsung and LG have increased their factory output of these large-size screens which has allowed the material price of these screens to become cheaper. Here, it has allowed for more manufacturers to run an OLED model in their lineup, whether with a flat display or a convex curved display. Most of these models are 4K displays and have a 55” screen. Haier even went to the lengths of designing a 55” flat OLED TV that is in a housing that can’t easily be tipped over while LG had fielded a model with a flat OLED screen and a model with a curved OLED screen.

For that matter, LG improved on the aesthetics of the flatscreen TV by implementing a “picture-frame” design which make the TV look like a beautiful large piece of art on the wall. This was augmented with a screenshow collection of artworks that are part of the TV’s firmware.

Other TV and home-AV trends

Brought on by the Philips Ambilight background-lighting initiative, some of the manufacturers are integrating LED-based background lights in to their TVs to provide the complimentary lighting. Philips even took this further with the ability to synchronise LED-based multicolour room lighting with their set’s Ambilight background lighting.

What I also suspect is happening with TVs destined for the European market is that they will be equipped with DVB-T2 digital TV tuners. This is to complement the arrival of DVB-T2 TV-station multiplexes in various countries that are primarily offering HDTV broadcasts.

Sony is also taking a stab at high-grade home audio by building up a file-based music distribution system that implements hard-disk-based media players with one downloading the music as files and syncing it to these hard-disk media players. Like SACD, this technology is meant to sound as good as the studio master tapes. Comments have been raised about the provision of two different files for each album or song – one that is mastered to best-quality standards where there is the full dynamic range another file, packaged as an MP3 perhaps, that has compression and limiting for casual or “noisy-environment” listening.

The home network

TV via the home network

Broadcast-LAN devices

There has been a fair bit of activity on the “broadcast-LAN” front courtesy of the SAT-IP initiative for satellite TV which I previously touched on. This has manifested in a few satellite-based broadcast-LAN boxes that are equipped with multiple tuners showing up at this year’s show including one 2-tuner model from Devolo and one four-tuner DLNA-equipped model from Grundig.

Similarly, SiliconDust have brought in the SimpleTV service model to Europe which provides a network-hosted PVR and broadcast-LAN setup for regular TV. I would see this has having great traction with Europeans because all of the European countries have free-to-air offerings anchored by the well-funded public TV services like BBC, ARD/ZDF, France Télévisions, and DR which yield content of high production and artistic quality. AVM have also used this show to launch a SAT-IP-compliant broadcast-LAN setup for the DVB-C cable-TV networks that exist primarily in Europe but links to an existing Wi-Fi network segment which wouldn’t let the device do its job in an optimum manner.

Other TV-over-Internet technology

Philips has also joined in the “over-the-top” cloud-driven TV party that Intel and Google were in by putting up their concept of a “virtual-cable” service delivered via the Internet.

LAN technologies

Wi-Fi wireless networks

Even though the 802.11ac high-speed Wi-Fi wireless network standard isn’t ratified by the IEEE, nearly every major manufacturer of home-network equipment has at least one, if not two, wireless routers that support this technology. Some even supply USB network-adaptor dongles that allow you to benefit from this technology using your existing computer equipment.

HomePlug powerline networks

There have been a few HomePlug AV2 adaptors appearing with the Continental-style “Schuko” AC plug on them, such as the Devolo dLAN 650+ and the TP-Link TLP-6010 but the manufacturers wouldn’t really state whether these fully work to the HomePlug AV2 standard. They are typically rated at 600Mbps for their link speed and are at the moment the Single-stream type.

As for Devolo, they have launched the dLAN 500 WiFi which is a HomePlug AV 500 “extension access point” for wireless networks. Here, Devolo have made an attempt in the right direction for “quick setup” of multiple-access-point Wi-Fi segments by implementing a “settings-clone” function. But this works using the HomePlug AV backbone and only where you use multiple dLAN 500 WiFi access points on the same backbone.

Home Automation

Some of the appliance manufacturers have gone down the “connected path” by equipping some of the top-end appliance models with Wi-Fi connectivity and implementing a manufacturer-developed dashboard app for the iOS and/or Android mobile platform. Here, these apps either work as a secondary control surface for the appliance or provide extended setup and configuration options that aren’t available on the appliance’s control surface.

Samsung went about this with their high-end washing machine where they use this connectivity as a remote “dashboard” so you can know if the machine is underway and on the correct cycle or be able to be notified when the washing is done. Philips uses a similar setup for their multifunction countertop cooker but it allows you to determine a recipe on your phone and dump that down to the cooker. But this, like a similarly-equipped coffee machine was really a proof-of-concept machine.

Thomson had offered a convincing home-automation kit which uses its own connectivity technology but can connect to Z-Wave or Zigbee networks using a bridge module. My question about this kit is whether you can start out with what is supplied but grow beyond by adding in the extra modules from Thomsom or other third parties as required.

Other Trends

This year has become a key year for vehicle builders to push forward connected app-driven infotainment and telematics in their vehicles that will hit European roads. It implements a mobile broadband connection to the car via the driver’s smartphone or another device along with apps for popular online services optimised for safe use in the car or to work with the car.

It has been exemplified by Ford implementing a “SYNC AppLink” setup that allows users to control favourite smartphone apps from their vehicle’s dashboard, including the ability to support voice control.

Conclusion

It certainly shows that at this year’s IFA, the personal IT products like tablets, convertible notebook computers and large-screen smartphones are becoming a very diverse and mature product class while the 4K ultra high definition TV technology is gaining some traction as a real display class.

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Sat-IP promotes satellite TV around the house using broadcast-LAN technology

Article

Sat-IP: Sat-TV im ganzen Haus – AUDIO VIDEO FOTO BILD (Germany – German language)

From the horse’s mouth

Sat-IP

Website

Previous coverage on HomeNetworking01.info

Broadcast-LAN devices–how relevant are they to the home network

My Comments

SAT-IP will see this as a way to distribute satellite TV around the European home

SAT-IP will see this as a way to distribute satellite TV around the European home

Just lately, I had published an article on this site about the concept of broadcast-LAN devices like the Devolo dLAN SAT and the HDHomeRun devices. These use at least one integrated broadcast tuner to stream broadcast signals received via a regular antenna (aerial), cable-TV setup or satellite dish around a small network using the protocols associated with these networks. The content is picked up from the network using software installed on regular or mobile computers to be displayed using their screens and speakers.

Now, SES, BSkyB and Craftwork who are heavyweights in Europe’s satellite-TV industry have set up a branded standards group called SAT-IP. This group determines standards for setting up satellite-based broadcast-LAN devices and promotes the concept of satellite-based broadcast-LAN systems. This is very relevant with the European market where satellite TV is considered a preferred medium for delivering supplementary TV content such as free-to-air from other European countries or pay-TV content from one’s own country or one of many neighbouring countries.

Here, they had worked out a data standard which is effectively based on the UPnP AV standards and is to co-operate with that standard but allow for satellite-TV tuning. They even wrote in support for DVB-T/T2 terrestrial-TV setups primarily to cater for the MATV systems implemented in multiple-tenancy setups where the goal is to run a single coaxial cable to each unit and have the satellite TV and regular TV through the one cable. The reason I supported this idea is to allow for a broadcast-LAN setup working to SAT-IP standards to cater to most broadcast environments where content distributed via the satellites is different to content distributed via the regular TV infrastructure.

But the main benefit is that there is a step to a level playing field for satellite-based broadcast-LAN applications thus providing for competition and innovation in this application no matter the deployment type. It has opened up broadcast-LAN implementations like a Power-Over-Ethernet-powered LNB with integrated server which bolts on to the satellite dish and yields the broadcast streams to the home network from that dish; as well as a Grundig broadcast-LAN tuner with four front-ends and full DLNA capability.

The SAT-IP concept, along with the US goal for using broadcast-LAN to democratise the provision of cable TV is underscoring the reality of using the home network to distribute TV content around the home, whether this network uses Ethernet, Wi-Fi wireless or HomePlug AV powerline or a mix of the technologies. Here, this means no more chipping at delicate walls to run satellite cable around the home and you can view Sky on your iPad or Sony VAIO Duo 11.

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