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LG U+ IPTV (U+ tv G 4K UHD) Services (2): 4K UHD VoD
May 28, 2015 | By Dr. Harrison J. Son (tech@netmanias.com)
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LG U+'s IPTV service
     1. Live TV 
         1.1 Basic channel 
         1.2 Multiview: operator-selected channels
         1.3 Personalized Multiview: user-selected channel
s

 ► 2. VoD   
         2.1 UHD VoD: Encoding rate and streaming of 4K UHD VoD content

 

LG U+ began UHD (3840x2160) VoD service in October 2014 (no UHD channel available yet, though). When it comes to UHD service, success or failure of the service depends on how much UHD content the operator can offer. For this reason, LG U+ purchased UHD content (40 hours long in total) back in January. Since then, the company has worked diligently to get more UHD contents, for example, by upscaling/remastering existing Full HD contents to UHD (e.g. 'The Admiral: Roaring Currents', 'The good, the bad, and the weird', 'Masquerade', etc.), and also through partnership with Sony Pictures for UHD contents (e.g. 'House of Cards 2' originally filmed in UHD).
 
Table 1 below lists UHD VoD contents available as of May 21, 2015.
 
A total of 176 UHD VoD contents (184 hours long in total) are currently available for service - 81 free contents (33 hours) and 95 paid contents (151 hours).
 
Of all the 176 contents, we captured the traffic of 81 free contents and 4 paid contents (using Samsung’s UHD TV and LG’s UHD STB), and found that a HEVC (H.265) codec was used and the frame rate was 30fps. The test also discovered the RTSP streaming protocol was used.
The encoding rates were 17.6 Mbps for most of the contents, and 23.8 Mbps for some of them. The contents with the encoding rate of 17.6 Mbps were played smoothly while those with 23.6 Mbps seemed to give a very hard time to STB (playing was unnatural like slow motion and sounds were muted often).

  • Codec: HEVC(H.265)
  • Encoding Rate: 17.643Mbps (23.8 Mbps for some contents)
  • Frame Rate: 30fps
  • Streaming Protocol: RTSP
  • Transport Protocol: TCP

Following is the captured streaming traffic of 'House of Cards' (Episode 1 of Season 2), an American TV series:

  • Codec: HEVC(H.265)
  • Encoding Rate: 17.643Mbps (see RTSP/SDP in the figure below)
  • Frame Rate: 30fps
  • Streaming Protocol: RTSP
  • Transport Protocol: TCP
  • Network BW required: 18.3Mbps (Encoding Rate x network overhead)
  • Max network BW consumed: 21.9Mbps (Speed 1.20 duration)
  • QoS Marking: DiffServ AF 41

What's interesting here was that the video data was delivered to STB by 1.2x speed for approximately the first 25 seconds, and then the speed pattern went from by 0.8x back to by 1.2 x from then on (of course, the playback speed remains at 1.0x). That is, for about 25 seconds in the beginning, the data was delivered pretty fast, by 1.2x, to fill the STB buffer up to a certain level. After that, while the user was watching the video, the data transmission speed went back and forth from slow to fast.  As the encoding rate was 17.643 Mbps, the network bandwidth required for VoD delivery was 18.3 Mbps. But as seen in the below figure, the amount of bandwidth consumed for the first 25 seconds (when the speed was 1.2x) was 21.9 Mbps.

 

 

 

 

 

Table.1 LG U+'s UHD VoD Contents (Total 176 pieces, 184 hours, as of May 21, 2015)

    Title Encoding rate Bytes Play time Fees
    SDP/a=X-muxrate SDP/a=length SDP/a=X-duration  
  Son Yeon Jae (Rhythmic Gymnastic Star)        
1

Rhythmic All Stars 2014, 1

17.649 Mbps 6.48 GB 48min (2,935sec) Free
2

Rhythmic All Stars 2014, 2

17.649 Mbps 7.69 GB 58min (3,486sec) Free
  Billiards        
3 VENOM NOTE 1 17.648 Mbps 3.04 GB 23min (1,380sec) Free
4 VENOM NOTE 2 17.648 Mbps 3.09 GB 23min (1,401sec) Free
5 VENOM NOTE 3 17.648 Mbps 2.95 GB 22min (1,338sec) Free
  Fashion Show in Korea        
6 2014 F/W Seoul collection (1) 23.777 Mbps 2.76 GB 16min (927sec) Free
7 2014 F/W Seoul collection (2) 17.648 Mbps 1.91 GB 14min (867sec) Free
8 2014 F/W Seoul collection (3) 17.648 Mbps 2.27 GB 17min (1,031sec) Free
9 2014 F/W Seoul collection (4) 17.647 Mbps 1.62 GB 12min (735sec) Free
10 2014 F/W Seoul collection (5) 17.648 Mbps 2.12 GB 15min (959sec) Free
11 2014 F/W Seoul collection (6) 17.648 Mbps 2.38 GB 17min (1,078sec) Free
12 2014 F/W Seoul collection (7) 17.648 Mbps 2.23 GB 16min (1,010sec) Free
13 2014 F/W Seoul collection (8) 17.648 Mbps 2.37 GB 17min (1,074sec) Free
14 2014 F/W Seoul collection (9) 17.648 Mbps 2.20 GB 16min (999sec) Free
15 2014 F/W Seoul collection (10) 17.647 Mbps 1.43 GB 10min (648sec) Free
  Dance        
16 Dance Sports 1 17.491 Mbps 1.79 GB 13min (793sec) Free
17 Dance Sports 2 17.648 Mbps 1.72 GB 13min (781sec) Free
18 Dance Sports 3 17.647 Mbps 1.66 GB 12min (750sec) Free
19 Dance Sports 4 17.647 Mbps 1.65 GB 12min (749sec) Free
20 Dance Sports 5 17.647 Mbps 1.40 GB 10min (635sec) Free
21 Dance Sports 6 17.647 Mbps 1.61 GB 12min (731sec) Free
22 Dance Sports 7 17.647 Mbps 1.55 GB 11min (702sec) Free
23 Dance Sports 8 17.647 Mbps 1.58 GB 11min (714sec) Free
24 Dance Sports 9 17.647 Mbps 1.56 GB 11min (706sec) Free
25 Dance Sports 10 17.647 Mbps 1.63 GB 12min (737sec) Free
  Music Concert        
26 SERGEI RACHMANINOFF Symphony NO. 2 23.779 Mbps 10.48 GB 58min (3,528sec) Free
27 Classic Music Concert : Romance 23.778 Mbps 4.69 GB 26min (1,577sec) Free
28 Classic Music Concert- VERDI REQUIEM 23.779 Mbps 15.28 GB 85min (5,140sec) Free
29 Classic Music Concert- EITAN STEINBERG 1 23.779 Mbps 8.79 GB 49min (2,958sec) Free
30 Classic Music Concert- EITAN STEINBERG 2 23.779 Mbps 4.83 GB 27min (1,624sec) Free
31 Classic Music Concert- EDWARD ELGAR 23.779 Mbps 10.41 GB 58min (3,503sec) Free
32 Classic Music Concert- Cine & Tango 1 17.649 Mbps 5.93 GB 44min (2,690sec) Free
33 Classic Music Concert- Cine & Tango 2 17.649 Mbps 7.13 GB 53min (3,231sec) Free
34 Classic Music Concert- DMITRI SHOSTAKOVICH 17.649 Mbps 8.17 GB 61min (3,701sec) Free
  Fashion in World        
35 Fashion Show Milano Collection 1 17.641 Mbps 1.99 GB 15min (903sec) Free
36 Fashion Show Milano Collection 2 17.641 Mbps 1.99 GB 15min (904sec) Free
37 Fashion Show Milano Collection 3 17.641 Mbps 1.99 GB 15min (904sec) Free
38 Fashion Show Milano Collection 4 17.641 Mbps 1.99 GB 15min (904sec) Free
39 Fashion Show Milano Collection 5 17.641 Mbps 1.99 GB 15min (904sec) Free
40 Fashion Show Milano Collection 6 17.641 Mbps 1.99 GB 15min (904sec) Free
41 Fashion Show Milano Collection 7 17.642 Mbps 2.66 GB 20min (1,206sec) Free
  Travel        
42 Sojourns 23.778 Mbps 4.13 GB 23min (1,387sec) Free
43 ART in SPACE : Jeju-island 23.778 Mbps 5.69 GB 31min (1,917sec) Free
44 My Romantic Cities: Barcelona 17.648 Mbps 2.97 GB 22min (1,349sec) Free
45 My Romantic Cities: Santorini 17.648 Mbps 2.97 GB 22min (1,347sec) Free
46 Into The Cave 17.639 Mbps 1.18 GB 8min (534sec) Free
47 Timescape 17.643 Mbps 6.39 GB 48min (2,901sec) Free
48 Garden of the Gods in Cappadocia 17.665 Mbps 5.44 GB 41min (2,461sec) Free
49 Dokdo in Korea 17.665 Mbps 6.20 GB 46min (2,808sec) Free
50 Extreme Skiing and Snowboarding 17.665 Mbps 3.88 GB 29min (1,759sec) Free
  Documentary        
51 Spike 17.643 Mbps 5.68GB 42min (2,577sec) Free
52 Secret of the West 17.649 Mbps 3.38GB 25min (1,531sec) Free
53 Path of the World 1 17.643 Mbps 5.95GB 44min (2,698sec) Free
54 Path of the World 1 17.643 Mbps 6.50GB 49min (2,949sec) Free
55 Tiny Giants 17.658 Mbps 5.72GB 43min (2,593sec) Free
  Free World Movie        
56 Scarlet's Witch 17.643 Mbps 10.06 GB 76min (4,564sec) Free
57 The Toy Soldiers 17.643 Mbps 19.09 GB 144min (8,657sec) Free
  Golf        
58 Funny Trouble Shot 1 17.649 Mbps 3.24 GB 24min (1,467sec) Free
59 Funny Trouble Shot 2 17.648 Mbps 2.83 GB 21min (1,280sec) Free
60 Funny Trouble Shot 3 17.648 Mbps 2.75 GB 20min (1,247sec) Free
61 Funny Trouble Shot 4 17.648 Mbps 2.99 GB 22min (1,357sec) Free
62 Funny Trouble Shot 5 17.648 Mbps 2.95 GB 22min (1,335sec) Free
63 Funny Trouble Shot 6 17.648 Mbps 2.79 GB 21min (1,267sec) Free
64 Funny Trouble Shot 7 17.649 Mbps 2.76 GB 20min (1,252sec) Free
  Short Drama        
65 Momo Salon 1 17.664 Mbps 1.25 GB 9min (566sec) Free
66 Momo Salon 2 17.664 Mbps 1.19 GB 8min (538sec) Free
67 Momo Salon 3 17.664 Mbps 1.17 GB 8min (531sec) Free
68 Momo Salon 4 17.664 Mbps 1.18 GB 8min (534sec) Free
69 Momo Salon 5 17.664 Mbps 1.05 GB 7min (479sec) Free
70 Momo Salon 6 17.664 Mbps 1.09 GB 8min (493sec) Free
71 A Prominent Woman 1 17.664 Mbps 1.58 GB 11min (716sec) Free
72 A Prominent Woman 2 17.664 Mbps 1.49 GB 11min (676sec) Free
73 A Prominent Woman 3 17.664 Mbps 1.49 GB 10min (648sec) Free
74 A Prominent Woman 4 17.664 Mbps 1.47 GB 11min (666sec) Free
75 A Prominent Woman 5 17.664 Mbps 2.12 GB 15min (959sec) Free
76 A Hungry Woman 1 17.657Mbps 1.30 GB 9min (591sec) Free
77 A Hungry Woman 2 17.657Mbps 1.35 GB 10min (612sec) Free
78 A Hungry Woman 3 17.657Mbps 1.41 GB 10min (637sec) Free
79 A Hungry Woman 4 17.657Mbps 1.36 GB 10min (615sec) Free
80 A Hungry Woman 5 17.657Mbps 1.30 GB 9min (592sec) Free
81 A Hungry Woman 6 17.657Mbps 1.50 GB 11min (680sec) Free
  American Drama        
82 House of Cards Season 2, Ep. 1 17.643 Mbps 6.66 GB 50min (3,019sec) 1,500KRW
83 House of Cards Season 2, Ep. 2     49min 1,500KRW
84 House of Cards Season 2, Ep. 3     51min 1,500KRW
85 House of Cards Season 2, Ep. 4     48min 1,500KRW
86 House of Cards Season 2, Ep. 5     49min 1,500KRW
87 House of Cards Season 2, Ep. 6     52min 1,500KRW
88 House of Cards Season 2, Ep. 7     48min 1,500KRW
89 House of Cards Season 2, Ep. 8     48min 1,500KRW
90 House of Cards Season 2, Ep. 9     49min 1,500KRW
91 House of Cards Season 2, Ep. 10     51min 1,500KRW
92 House of Cards Season 2, Ep. 11     54min 1,500KRW
93 House of Cards Season 2, Ep. 12     47min 1,500KRW
94 House of Cards Season 2, Ep. 13     60min 1,500KRW
95 Masters of Sex Season 1, Ep. 1 17.643 Mbps 8.16 GB 61min (3,700sec) 1,500KRW
96 Masters of Sex Season 1, Ep. 2     55min 1,500KRW
97 Masters of Sex Season 1, Ep. 3     53min 1,500KRW
98 Masters of Sex Season 1, Ep. 4     53min 1,500KRW
99 Masters of Sex Season 1, Ep. 5     58min 1,500KRW
100 Masters of Sex Season 1, Ep. 6     57min 1,500KRW
101 Masters of Sex Season 1, Ep. 7     54min 1,500KRW
102 Masters of Sex Season 1, Ep. 8     59min 1,500KRW
103 Masters of Sex Season 1, Ep. 9     57min 1,500KRW
104 Masters of Sex Season 1, Ep. 10     56min 1,500KRW
105 Masters of Sex Season 1, Ep. 11     54min 1,500KRW
106 Masters of Sex Season 1, Ep. 12     58min 1,500KRW
107 Breaking Bad Season 1, Ep. 1     58min 1,500KRW
108 Breaking Bad Season 1, Ep. 2     48min 1,500KRW
109 Breaking Bad Season 1, Ep. 3     48min 1,500KRW
110 Breaking Bad Season 1, Ep. 4     48min 1,500KRW
111 Breaking Bad Season 1, Ep. 5     48min 1,500KRW
112 Breaking Bad Season 1, Ep. 6     47min 1,500KRW
113 Breaking Bad Season 1, Ep. 7     47min 1,500KRW
  Korean Movies        
114 Ode To My Father     126min  6,000KRW
115 Roaring Currents 17.643 Mbps 16.98 GB 128min (7,697sec) 6,000KRW
116 The Royal Tailor     127min 4,000KRW
117 Sunny     124min 2,000KRW
118 The Good, the Bad, the Weird     135min 2,000KRW
119 Sympathy for Lady Vengeance     115min 2,000KRW
120 Masquerade     131min 2,000KRW
121 The Berlin File     120min 2,000KRW
  Foreign Movies        
122 The Amazing Spider-Man 2     141min 4,000KRW
123 Fury     134min 4,000KRW
124 Chappie     120min 6,000KRW
125 The Wedding Ringer     101min 6,000KRW
126 Total Recall     118min 4,000KRW
127 Groundhog Day, 1993     101min 4,000KRW
128 It Happened One Night, 1934     105min 4,000KRW
129 Crouching Tiger, Hidden Dragon     120min 4,000KRW
130 The Karate Kid, 2010     140min 4,000KRW
131 The Way We Were     118min 4,000KRW
132 This is the end     106min 4,000KRW
133 Think like a man too     105min 4,000KRW
134 That's my boy, 2012     116min 4,000KRW
135 Glory, 1989     122min 4,000KRW
136 The Other Guys, 2010     107min 4,000KRW
137 Think like a man, 2012     122min 4,000KRW
138 Mask of Zorro     137min 4,000KRW
139 The Patriot     164min 4,000KRW
140 Premium Rush     90min 4,000KRW
141 Annie, 2014     118min 4,000KRW
142 Bram Stoker's Dracula     127min 4,000KRW
143 The Ugly Truth     95min 4,000KRW
144 Hitch     118min 4,000KRW
145 My Best Friend's Wedding     104min 4,000KRW
146 Philadelphia     125min 4,000KRW
147 In the line of fire     128min 4,000KRW
148 Gerry Maguire     138min 4,000KRW
149 Julie & Julia     123min 4,000KRW
150 Hancock     92min 4,000KRW
151 A Few Good Men     138min 4,000KRW
152 Captain Phillips     134min 4,000KRW
153 The Smurfs 2     104min 4,000KRW
154 After Earth     100min 4,000KRW
155 Salt     99min 4,000KRW
156 Elysium     109min 4,000KRW
157 The Davince Code     148min 4,000KRW
158 Angels and Demons     138min 4,000KRW
159 Men In Black 3     105min 4,000KRW
160 Men In Black 2     88min 4,000KRW
161 Men In Black 1     97min 4,000KRW
162 The Tourist     103min 4,000KRW
163 Taxi Driver     113min 4,000KRW
164 Evil Dead     91min 4,000KRW
165 Ghost Busters 2     108min 4,000KRW
166 The Guns of Navarone     156min 4,000KRW
167 Funny Girl     155min 4,000KRW
168 The Bridge on the River Kwai, 1957     161min 4,000KRW
169 Hard Times     93min 4,000KRW
170 On The Waterfornt     107min 4,000KRW
171 Pineapple Express     112min 4,000KRW
172 About Last Night     100min 4,000KRW
173 Spider-Man 1     121min 4,000KRW
174 Spider-Man 2     127min 4,000KRW
175 Spider-Man 3     139min 4,000KRW
176 Moneyball     133min 4,000KRW
 
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