BBC RESEARCH & DEVELOPMENT 2012/13 at a glance 01/ INTRODUCTION INTRODUCTION

04/ HIGHLIGHTS

008/8 SUPER HI-VISION

2012 – an extraordinary year BBC R&D has long been preparing for 10/ 2012. It is a year which has been the BIOMECHANICS culmination of much of our work over the last decade.

In October, the fi nal analogue television 12/ transmitter was switched to digital and LONDON 2012 – the UK’s PAL service came to an end. NEVER MISSING A MOMENT BBC R&D had worked with others in the UK industry over the last decade and before to achieve this milestone. Switch- over has provided opportunities for new 14/ services to be launched on Freeview, the BBC R&D ACHIEVEMENTS Matthew Postgate, UK’s Digital Terrestrial Television platform, OVER THE YEARS Controller, Research & Development including HD services carried using the DVB-T2 transmission standard, which BBC R&D was instrumental in defi ning. It was 16/ an exciting and emotional moment, as PUBLICATIONS the UK said farewell to CEEFAX, the BBC information service delivered via analogue television using another BBC R&D invention – Teletext.

COVER The BBC delivered ground-breaking BBC R&D supported the London Olympics coverage of the London Olympics in July coverage providing additional services, new on-screen developments and working with and August. BBC R&D worked in many NHK to cover the event in Super Hi-Vision. ways to support the events in the planning and in their provision. This included adding INSIDE COVER The Half-RF camera was used live at the Six extra services, new on-screen developments Nations Rugby at Twickenham. 01 “PARTNERSHIP HAS BEEN A STRONG THEME “WE CONTINUE TO WORK TOWARDS THE FOR BBC R&D DURING THE PAST YEAR” VISION OF A NEW BROADCASTING SYSTEM”

and working with NHK to cover the event global industry, and ultimately improve innovation hub at London’s Tech City, 2013 to further explore the benefi ts of these in Super Hi-Vision. You can read more about the experiences of our audience through and continue to work with the UK TSB’s new approaches. this work in the featured projects later in this innovative content, services and functionality. Connected Digital Economy Catapult Centre review. As part of the Cultural Olympiad, (CDEC) as it seeks to deliver market High quality metadata is essential to allow BBC R&D joined forces with Studio Olafur Longer-term commitments with best-of-class innovations to benefi t the UK economy. both professional users and the public to Eliasson to create a participatory art experience partners form a key element of our partner- locate the content they want. BBC R&D installation at Tate Modern called LittleSun, ships strategy. Last year, we launched the BBC R&D has maintained its successful recently worked with the BBC World Service which made available thousands of light graffi ti Audio Research Partnership with leading UK track record of working with partners in to generate metadata for their radio archive, artworks created by the public to anyone with universities in the fi eld, addressing next collaborative projects part-funded by the comprising 50,000 programmes from over a modern web browser. generation challenges including the use of European Commission and UK agencies such 45 years. Speech recognition algorithms were object-orientated 3-D sound to deliver an as the TSB and Research Councils, both in used to generate initial metadata, which we In the last Annual Review we described the immersive experience. We are now establishing new project bids and working with others then used to enable crowd-sourcing to YouView service which is a joint venture a second research partnership of this type, to shape future research programmes. improve both the data and our algorithms. between the BBC, ITV, Channel 4, Channel 5, working with leading UK universities in the fi elds Approaches such as this will become BT, Talk Talk and Arqiva, whose technology has of user experience, accessibility and interaction. Looking Forward increasingly signifi cant in the future as the size its origin in BBC R&D. YouView launched in Alongside the major landmarks of 2012, and complexity of online digital collections July 2012 and provides access to Freeview TV During the past year we have built strong we have continued our work towards the continue to grow. and on demand services via a hybrid set-top foundations for an exciting new strategic vision of a New Broadcasting System box. The department continues to look at collaboration with University College London characterised by pervasive, immersive, In the fi eld of spectrum, there are debates technologies to enable future service (UCL). Jointly, we have scoped a programme interactive and personal experiences, enabled taking place within the UK and internationally opportunities across the BBC’s Free-To-Air of collaborative projects, focussing initially on by rich audience and programme metadata, concerning future use of the UHF spectrum ventures, including YouView. four priority areas of work: content and IP end-to-end infrastructures, whether used for terrestrial broadcasting. We have production; user experience; internet research, fi xed or wireless. been using the results of our research work Partnerships and distribution technologies. BBC R&D and to inform discussion on the introduction of All of the highlights above were accomplished UCL will co-locate research teams in a new The fi rst steps in this vision have been taken wireless exempt whitespace devices within in partnership with other organisations, and laboratory at One Euston Square in Central with our IP Studio project successfully the UHF bands, and the proposal for the partnership has been a strong theme for London, to work together on these topics. demonstrating key elements for IP-based live World Radio Conference in 2015 to allocate BBC R&D throughout the last year across production, including low-latency studio-quality the 700 MHz band to both broadcasting and a range of activities. The BBC’s Connected Studio initiative is also streaming, fl exible monitoring, web-services mobile communications within Europe. We establishing a presence at One Euston Square. for confi guration and control, IP-based are working with colleagues in the BBC to try BBC R&D has a long and successful track Connected Studio is a new approach to delivering synchronisation and the use of real-time data. to ensure the best outcome for our audiences. record of collaborating with academia and innovation in connected content, working with Interest in these ideas is growing within the industry, and contributing to a wide range of a range of internal and external partners. wider industry and we helped to kick-off An exciting moment is approaching when industry standards. BBC R&D engages in Connected Studio was piloted during 2012/13 an industry-wide task force looking at future many of these developments will come partnerships to benefi t from complementary focussing on the BBC’s online products, and is standards in these areas, under the auspices together and the New Broadcasting System skills and experience. By sharing knowledge now broadening its remit across BBC output. of the Video Services Forum, the EBU and the will start to move on from being a vision of with other world experts and partner SMPTE. Our Stagebox IP hardware has been the future and become something tangible. organisations, the outcomes from BBC R&D’s We have started to engage with the used for live programming on a trial basis and We are pushing ahead to bring this moment activities can have a greater infl uence on the community established at the technology we intend to carry out large scale pilots during closer during 2013/14.

02 03 HIGHLIGHTS OF THE YEAR

Royal Visit to MediaCityUK Augmented Reality used for .bbc Domain Broadcast Environmental Issues Controller R&D was presented to Her 2012 Olympics Coverage BBC applied to register the .bbc domain. BBC R&D, in collaboration with the BBC Majesty the Queen and HRH Prince Philip An augmented reality application was featured Sustainability Committee, hosted a one during her visit to MediaCityUK, and with on the BBC Sport website as part of their TSB’s Connected Digital day event to understand and explore other members of the department, coverage of the 2012 London Olympics. Economy Catapult Centre environmental issues related to broadcast demonstrated some of BBC R&D’s work Based on biomechanical principles, the BBC R&D was appointed as a strategic and connected digital media technology. on accessibility to them. application allowed users to visualise their partner for the TSB’s Connected Digital This event included a mix of leading performance alongside professional athletes. Economy Catapult Centre (CDEC). speakers from academia and the media Connected Studio technology and telecommunications Connected Studio initiative was launched Digital Switchover UCL Collaboration industry sectors. and a number of events have led to the Digital Switchover of terrestrial television A Research Collaboration Partnership for best ideas being taken to a pilot stage. was completed. our strategic collaboration was signed with NAB Award University College London (UCL). RadioTAG won the NAB Technology Super Hi-Vision Nations Variants Innovation Award for BBC R&D, Global BBC R&D collaborated with NHK and Nations variants of BBC One HD were In Session Event Radio and Frontier Silicon. OBS to transmit selected live events and launched on DTT and DSAT. The fi rst BBC R&D In Session event was highlights of the London 2012 Olympics, held – a series of regular, curated IBC Award in the Super Hi-Vision (SHV) ultra high IXManchester collections of video interviews with key Philip de Nier was given an individual defi nition TV format, to three SHV-equipped BBC hosted the opening of the individuals from the BBC and beyond, that award at IBC in recognition of his notable theatres in the UK, three in Japan and one IXManchester internet peering facility explore important issues that are defi ning contributions to the development of the in the USA. at MediaCityUK. This is an early example the broadcasters and content distributors standard for the Advance Media Workfl ow of what is planned to be a widespread of tomorrow. This event focussed on fi le format, AMWA AS-11. Extra Video Stream Added for propagation of low level internet Broadcasting in 2020. 2012 Olympics and Paralympics architecture features being distributed NEM Award Fifth slot on DTT added to provide an round the UK, giving better connectivity Stagebox Demo at NAB Best Paper Award at the NEM Summit in extra video stream for the BBC during the and resilience across the country as Stagebox was demonstrated at NAB in Istanbul was won by Oliver Grau and Peter Olympics and for Channel 4 during demand for more and richer IP delivered April where it won an Editor’s Choice Schuebel from BBC R&D together with the Paralympics. content grows. InBroadcast Award at NAB, and at IBC in Chris Budd from the University of Surrey. September. It has been licensed and used in productions.

04 05 HIGHLIGHTS OF THE YEAR

CONTINUED

New BBC R&D Website Ultra-high Defi nition TV Mood-based Interface for iPlayer RadioVIS A new BBC R&D website (www.bbc.co.uk/rd) BBC R&D constructed an experimental BBC R&D launched an exploratory The ‘6 Music Live’ season used RadioVIS, was launched focussing on our research high frame rate display, based on multiple mood-based interface for iPlayer content which BBC R&D helped invent and develop, and projects. This included R&D Labs, a new projectors, allowing frame rates up to so people can search for, fi nd, and access to send out pictures of the bands to hybrid section to showcase the latest prototypes 360 Hz to be tested. This is being used for programmes based on the mood of the DAB/IP radios. and code on the web from our teams at advanced studies on ultra high defi nition TV. programme they wish to watch. BBC Research & Development. Pan-European HbbTV New Web Audio API First Synchronised Dual-Screen Hybrid Broadcast Broadband Little Sun BBC R&D released a recreation of the for Mobiles and Tablets TV Consortium Members of BBC R&D worked with Studio sound of the BBC Radiophonic Workshop The BBC launched its fi rst synchronised BBC R&D became a member of the Olafur Eliasson to create an interactive light natively in a browser using a new Web dual-screen experience for mobile and pan-European HbbTV Hybrid Broadcast painting installation, Little Sun, which was Audio API. tablet devices using the iOS and Android Broadband TV consortium. exhibited at Tate Modern. It was then operating systems, allowing viewers to used on-air in the BBC’s The ONE Show Internet of Things play a game interactively as part of the Panoramic Camera Christmas programme. We held an ‘unconference’ in Salford around BBC’s Antiques Roadshow programme. BBC R&D installed a panoramic camera the Internet of Things (IoT), investigating This used technology developed by and at The Proms for one concert. This is the Half-RF HD Radio Camera how everyday interactions with media and transferred from BBC R&D. only prototype of its kind – it has a fi eld The ‘Half-RF HD radio camera’, which uses entertainment can be amplifi ed using of view of 180 degrees and is six times the half the spectrum of a conventional radio connected objects and devices and how MPEG/ITU HEVC Standard resolution of HD. It was developed as part camera to deliver ‘news’ quality HDTV in a the IoT can help us to tell better stories. BBC R&D made signifi cant contributions to of the FascinatE European Framework 7 5 MHz channel, was demonstrated at IBC the HEVC standard, the new standard for collaborative project in which we are and then used live on-air for the fi rst time First Object Based high effi ciency video compression. a partner. in December, and then at the Six Nations Audio Production Rugby at Twickenham. The fi rst object based audio production, Tech City Community Sibyl Prototype Launched where each audio source is kept separate BBC R&D are engaging with the Tech City The prototype Sibyl recommender was RadioDNS Showcased at IBC throughout the chain and mixed in the community to explore how BBC R&D and launched, which is a stand-alone tool and At IBC, the RadioDNS project showcased receiver, was made with Radio Drama, and Future Media might collaborate with this does not rely upon history or preferences. its work enabling RadioDNS on national a stereo version was broadcast on Radio 4 growing collaborative community. BBC radio networks, allowing listeners to and a 5.1 surround version made available bookmark live radio and play back via on the website. the Web.

06 07 In July 2012 a crowd of people sat watching the vehicle which sent the camera pictures to the content package and the other for the Japanese The coded signals were transported on a pair Olympic opening ceremony. They were having a SHV Production Centre at BBC Television Centre. content. The SHV content had 16 times the data of Transport Streams to a pair of TS/IP very good time, clapping and cheering throughout Audio from NHK’s microphones and from of HDTV, so rendering and processing time was converters to produce a pair of IP data streams the evening with the best seats in the stadium. But microphones in the Olympic Park was mixed slow, even using very powerful workstations. for each theatre at about 350 Mbit/s in total. they weren’t in the Olympic Stadium, they were in a separate audio truck into 22.2 channels of Even so, the NHK production team and a BBC Two data streams were produced because the four miles away in BBC Broadcasting House. Other immersive surround sound and sent to the SHV editor were able to edit a new content package total bit rate was too high to be carried on groups of people were in Bradford, Glasgow, the USA Production Centre for further refi nement. The overnight ready for showing the next day. There one Transport Stream. Unicast UDP was used and Japan. All were watching Super Hi-Vision (SHV). connection from the Outside Broadcast vehicles was also a dedicated SHV graphic station used to transmit the data to the theatres in the UK to the SHV Production Centre was via an optical to add captions and make up title sequences. with some Forward Error Protection to guard This was the culmination of four years of fi bre link carrying the SHV signals uncompressed against minor data packet loss. Transmission to collaboration with NHK Science and Technology at 24 Gbit/s over eight wavelengths. For security The sound was edited in the control gallery the USA and Japan used extra FEC. Multicast Research Laboratories. The pictures were on an and resilience, a backup fi bre link took a different for Studio 0, which had been transformed into was used within Japan. We showed that IP 8m wide screen with a resolution of 7680 x 4320 route across London. a 22.2-channel editing suite with an array of 24 networks can reliably carry high bit rate time pixels, accompanied by a 22.2 multichannel speakers surrounding the audio mixer operator. critical video and audio, but care is needed in 3-dimensional sound system. The combined effect The SHV Production Centre inside Studio 0 at BBC The speakers were arranged at three heights: the way the links are set up. was to transport the people in the viewing Television Centre consisted of editing, storage, fl oor, mid and ceiling heights, plus one speaker theatre right into the stadium. NHK, OBS and transmission and pre-view facilities. Editing was directly overhead. Skilled sound editing was At the theatres, the signal was decoded and the BBC collaborated to bring about this realistic initially carried out on a down-converted HD needed to maintain a realistic feeling of displayed on 250-inch or 300-inch screens using demonstration together with the help of NTT, proxy using an HD editing station. This generated telepresence in the short time available for projectors with 8k resolution and the audio sent BT, Atos, Janet, Géant2, Internet2 and Sinet4. an EDL (Edit Decision List) that could be used to editing. Each audio channel was encoded at to the 22.2-channel audio system. drive either of the two SHV editing stations 384 kbit/s using AAC and the video encoded There were three SHV cameras in the Olympic where the content package could be further in sections using H.264 encoders giving a total Telepresence had come of age. Park, each connected to NHK’s Outside Broadcast refi ned: one SHV editor was for the UK/USA of 280 Mbit/s.

08 09 On the morning of Saturday 11th August 2012 with our licensee, Red Bee Media, to develop a Here the diver should enter the water as straight or to get a list of all the dives where the diver BBC diving commentator Leon Taylor talked full product that could be sold around the world. and as smoothly as possible. If he or she is off has over or under rotated? At its most simple to Mishal Husain about Tom Daley’s below par They tested the system at the US Diving Trials vertical then a lower score is given. Similarly, it facilitated in comparisons, as in the BBC performance in the men’s 10m platform diving earlier in the year and worked with NBC during a large splash indicates that the entry to the analysis where it showed the marked contrast preliminary round. During the discussion they the Olympics to add the analysis to their diving water has not been smooth and the score between the two Daley dives. played videos of two of Daley’s dives with coverage shown in the United States. It received drops accordingly. graphics added to describe the size of the splash a large social media response and even gained Obviously these scores don’t tell the whole story and the angle of entry. some celebrity fans. Some viewers were quick to point out that they – the entry is only one aspect of the dive and the could already see how big a splash might be, but degree of diffi culty makes a huge difference to The system producing these measurements came The motivation behind this work was to help the key development with this tool – as well as the fi nal score – that’s why an expert like Leon out of the biomechanics project. The analysis viewers to gain a better understanding of what retaining on screen information about the Taylor is there to explain the complete dive and was automatic and worked live – the system differentiates a good dive from a bad. In events blink-or-you’ll-miss-it dive entry – is to move the nuances that a system like this can’t hope to examined the video frame by frame to extract such as diving where scores are awarded by from a qualitative judgement (‘that was a bad understand. For most viewers, experts are the the diver and splash from the rest of the scene. judges it can sometimes be quite opaque to the splash’ or ‘he was off vertical there’) towards an best source of insights into an event but this It then measured the size of the splash and the typical viewer why one diver might score better automatically generated quantitative judgement offers them a tool to aid them with their work. angle the diver made as he or she entered the than another. With tools such as this we aimed (‘that splash scored 75% on the scale’ or ‘he over water and displayed the results to the viewer. to extract measures of performance that can rotated by 10 degrees’). Once you had a measure We are continuing to work on new developments be directly compared between different for performance you could start to use that so in the future we might be able to get measures After developing a prototype (which inevitably competitors. The simplest part of the dive information in interesting ways – perhaps using for other aspects of the dive or apply the same became known as the ‘splashometer’) we worked where we could do this analysis is on the entry. it to fi nd which were the best or worst entries, idea to different events.

10 11 The BBC’s pledge for the coverage of the When the pictures are coded the available During the Olympics BBC Three was Coverage of the opening ceremony provided an London 2012 Olympic Games was that the bandwidth is shared in a ‘statistical multiplex’ extended into a 24 hour service. This was additional problem on Freeview. The original audience would ‘never miss a moment’. BBC between services depending on the complexity possible because Parliament was not sitting, plan was to broadcast the ceremony on R&D worked with colleagues from across the of each frame of video. The scheduling of the which meant that the BBC Parliament service different services at the same time. This would BBC, the broadcast platforms and the BBC’s events during London 2012 meant that all 24 could be removed to release some bandwidth. have allowed News to provide their own technology partners to turn that vision into streams were not always in use. The variation of However, the bandwidth gained by suspension coverage on the BBC News channel and the reality. BBC Three was extended to run for the number of streams and the differing of BBC Parliament was not suffi cient to carry opening ceremony to be broadcast with audio 24 hours a day and 50 temporary television complexity of each sport risked major variation a service whose main content is sport. This description on one of the Red Button services. channels were launched to provide live in picture quality during the Games. BBC R&D meant a major reconfi guration of the BBC There was also simultaneous coverage in the coverage of virtually all events. tested the bandwidth demands of the various multiplex which carries all BBC SD and radio Ten O’Clock News which moved to BBC Two for sports and provided guidelines to the schedulers services on Freeview was necessary. BBC R&D the evening. As the allocation of bandwidth in 24 simultaneous live HD streams were to maintain consistent and acceptable picture created the confi guration changes, and tested the statistical multiplex relies on variation in produced by BBC Sport in Salford and were quality at all times. and tuned the picture quality to ensure that it content between services, this would not have available to satellite viewers on Sky and was as good as possible. BBC R&D worked resulted in acceptable picture quality, especially Freesat and on Virgin Media cable. SD versions Due to limitations in bandwidth it was not with colleagues in BBC Distribution and Atos as some sections of the opening ceremony of all 24 streams were created for non-HD possible to put the 24 streams on Freeview, so to ensure that the confi guration was deployed were among the most demanding sequences to viewers. BBC R&D ensured that the picture on this platform an extra Red Button SD service smoothly. With the short gap between the code that the BBC has ever broadcast. BBC R&D quality on all platforms matched the BBC’s was added in the evenings when CBBC is not on start of Parliament’s summer recess and the tested a number of different scenarios to standards. This required testing of the links air, and an extra Red Button HD service was London 2012 opening ceremony there was determine the best way to fulfi l the maximum between London and Salford and of the deployed. The HD service was also used by no scope for anything to go wrong. number of requirements while maintaining emission encoders used for all platforms. Channel 4 to provide extra coverage of the acceptable picture quality, and provided advice Paralympic Games. to allow the London 2012 Steering Group to resolve the situation.

12 13 BBC R&D ACHIEVEMENTS OVER THE YEARS SOME HIGHLIGHTS OF BBC R&D’S INNOVATION OVER THE YEARS

1930s 1940s 1950s 1960s Research mainly concerned with short-wave The start of FM radio; colour television The start of work on stereo radio; fi rst Satellite communications used for the fi rst broadcasting, studio developments, started to look viable; and new magnetic transatlantic signals (and so need for time in broadcasting; digital techniques developing the Simultaneous Broadcast recording techniques started coming standards conversion); transistors being used transform sound and picture communication: system, and television: into operation: in commercial equipment: 1962 First transatlantic colour TV link by 1930 BBC Research Department formed 1945 First VHF/FM transmission tests from 1953 Suppressed-frame telerecording satellite, using BBC R&D’s slide scanner in April Alexandra Palace; Type D disk recorder equipment designed, and used at Coronation 1963 NTSC, SECAM and PAL colour 1936 First regular high defi nition television brought into service 1958 VERA (Vision Electronic Recording demonstrations to EBU and OIRT service launches 1947 Early measurements on the magnetic Apparatus), fi rst video tape machine used by 1964 First studies into digital techniques 1937 First close-talking noise-cancelling properties of recording tape the BBC for television ribbon microphone giving broadcast speech, 1949 Work starts on smaller, light, higher 1959 First transatlantic television transmission 1967 BBC Two transmits fi rst regular colour the L1. sensitivity commentator’s microphone, the by BBC R&D’s ‘Cablefi lm’; stereophonic tests television service in Europe. L2, to replace the L1. Simple colour channel using EMI-Percival system; investigations into set up. TV picture storage begin. 1970s 1980s 1990s 2000s Latest integrated circuits used for signal Decade of debate: stick with analogue Start of digital radio and television Upgrades and enhancements across processing: systems, wait for digital, or a hybrid? broadcasting, and launch of BBC Online. the board: 1970 Digital line-store standards converter 1982 BBC Microcomputer, from Virtual production techniques evolving to 2000 BBC R&D’s handheld digital radio work commences Acorn, released provide powerful production tools: camera used for live broadcasts 1972 Teletext experiments begin 1982 HDTV studies commence in earnest 1990 First DAB trials 2001 Speech recognition used as an aid 1974 BBC R&D demonstrates world’s fi rst 1984 Video watermarking – electronically 1995 The new Digital Radio service started to provide subtitles digital television recorder labelling television pictures – devised in September 2002 Freeview launched 1975 Successful transmission of digital 1985 LF Radio Teleswitching service 1996 First fully compliant test of the new 2006 World’s fi rst end-to-end MIMO television signals commences enables the Electricity Supply DVB transmission standard broadcast system tested 1976 First transmissions of digital television Industry to optimise power distribution at 1997 BBC internet services start 2008 Freesat service launched. Dirac Pro over INTELSAT satellite; CARFAX road traffi c peak demand times 1998 BBC launches digital satellite and used by BBC to deliver Beijing Olympics information service principle demonstrated 1986 BBC’s NICAM 728 system for digital terrestrial television services in HD 1978 First digital stereophonic sound stereo sound accepted as British Standard 1999 Digital Text service (replacement for 2009 Freeview HD service launched using broadcast experiments – leading to NICAM 1987 Join Eureka 147 collaborative group, analogue Teletext) successfully launched DVB-T2 transmission standard stereo sound. which developed the DAB standard. on DTT. 2010 Live delivery of Super-Hi Vision via the internet from our studio to NHK in Japan.

14 15 PUBLICATIONS

WHP201 Affective Classifi cation of Large Scale Broadcast Archives WHP231 A Pilot Study for Mood-based Classifi cation of TV Programmes Sam Davies, Denise Bland Jana Eggink, Penelope Allen, Denise Bland WHP204 Techniques for high-performance DAB and DVB-T on-Channel Repeaters WHP232 Large Scale Experiment for Mood-based Classifi cation of TV Programmes Peter Moss, Adam Wiewiorka Jana Eggink, Penelope Allen, Denise Bland WHP210 Scene Segmentation using Multiple Metrics WHP233 Archive Preservation File Format: DigiBeta System M. Pindoria Philip de Nier WHP216 DVB-T2 Receiver Buffer Model (RBM): Theory & Practice WHP234 Enhancing Viewer Engagement Using Biomechanical Analysis of Sport C.R. Nokes, O.P. Haffenden Robert Dawes, Bruce Weir, Chris Pike, Paul Golds, Mark Mann, Martin Nicholson WHP221 Upping the Auntie – A Broadcaster’s Take on Ambisonics WHP235 Web delivery of free-viewpoint video of sport events Chris Baume, A. Churnside Chris Budd, Oliver Grau, Peter Schübel WHP222 Measuring PLT Interference on the Mains WHP236 RE@CT – Immersive production and delivery of interactive 3D content Aaron Chadha, Ranulph Poole Oliver Grau, Edmond Boyer, Peng Huang, David Knossow, Emilio Maggio, WHP223 Protection of Broadcast Cells with Mixed Mode Reception using the David Schneider Database Approach WHP242 Improving the Experience of Media in the Connected Home with a Mark Waddell New Approach to Inter-Device Communication WHP224 Initial Considerations for Protection of PMSE S.J.E. Jolly, M.J. Evans Mark Waddell, Andrew Lillywhite, Edgar Reihl, Karl Brookes, Frank Ernst, Matthias WHP243 An Experiment in Social TV for Automating Content Sharing via Fehr, Wolfgang Bilz, Brian Copsy Social Networks WHP225 Initial Analysis of TV White Space Availability in the UK Vinoba Vinayagamoorthy, Jerry Kramskoy Mark Waddell, Shyamalie Thilakawardana WHP244 Improving Screen Content Coding in HEVC by Transform Skipping WHP226 Measured DVB-T Protection Ratios in the presence of Interference Marta Mrak, Ji-Zheng Xu from White space Devices WHP245 Multi-Loop Quality Scalability based on High Effi ciency Video Coding Mark Waddell, Tim Harrold Glenn Van Wallendael, J. De Cock, R. Van de Walle, Marta Mrak WHP227 Construction of a TVWS database from DTT Coverage Data WHP246 Adaptive Transform Skipping for Improved Coding of Motion Mark Waddell, Kostas Tsioumparakis, Dave Darlington Compensated Residuals WHP228 Musical Moods: A Mass Participation Experiment for the Affective Andrea Gabriellini, Matteo Naccari, Marta Mrak, David Flynn, Glenn Van Wallendael Classifi cation of Music WHP253 Performance of an Experimental TV White Space Base Station for Sam Davies, Penelope Allen, Mark Mann, Trevor Cox Mobile and Fixed Broadband Applications WHP230 Measurement of Human Sensitivity across the Vertical-Temporal Video Mark Waddell, Shyamalie Thilakawardana, Tim Harrold, Phil Kesby, Steve Cherry Spectrum for Interlacing Filter Specifi cation K.C. Noland

16 17 CONTACT DETAILS

For more information about BBC R&D, who we are and what we do – including regular updates on our current projects – please check out our website at www.bbc.co.uk/rd For media enquiries please contact BBC Press Offi ce on 020 8576 1865 or email at press.offi [email protected]