1. VQEG HDTV Scene Pool 3 Summary Acreo Ghent University – IBBT NTIA

2. SRCs – 1080p @ 30fps 2 Aspen  Close-up of leaves & trees  Little camera zoom-out  Fast switching between different trees  Wind makes leaves move Elephants Dream  Elevator scene  Cabin is thrown in the air  Rapid movements  Fast camera motion Basketball point  Still camera  People moving  Throw of the ball

3. SRCs – 1080p @ 30fps 3 Halftime show  Still camera  Musicians forming rows and walking toward each other  Flags thrown in the air Fox & Bird  Cartoon  Fox running towards bird  Fast camera movements  Zoom, Panning Music Video  Still camera  Birdcage with objects + very colorful feathers  Turning around on a plate  Wind makes feathers move

4. SRCs – 1080p @ 30fps 4 Speed bag  Close-up of speed bag  Person hitting speed bag  Still camera  Changing viewpoints Touchdown  American football rush  People running around  Fast camera movement Clouds  Slow camera pan  Banner with scrolling poem at the bottom

5. HRC Creation 5 Encoding Streaming Decoding SRC PVS MPEG-2 H.264/AVC xStreamer (with/without packet loss)

6. Encoding  MPEG-2  Encoded with ffmpeg  Bitrates: 5 & 10 Mbps  H.264/AVC  Encoded with ffmpeg  Bitrates: 3, 5, 10 & 15 Mbps  Encoded by NTIA  Bitrates: 1, 1.2, 1.5, 2.25, 3.4 & 5 Mbps 6

7. Streaming  Based on xStreamer  In-house developed Modular Multimedia Streamer  Allows offline simulation of network impairments (packet loss)  Packet loss injection  Based on a Gilbert-Elliott model  Bursty loss 7

8. MPEG-2 Streaming  MPEG Transport Stream (TS) over RTP 8

9. H.264/AVC Streaming  H.264/AVC over RTP  Packetization according to RFC3984  No aggregation 9

10. Decoding  Decoding using libavcodec  Only correct received frames are decoded  Dropped frames replaced by frame freeze 10

11. ILGs  HRC Creation  Acreo  Ghent University – IBBT  NTIA  Subjective Test  Acreo 11

12. Summary TestLabHRC #CodecBit RateFrame RatePLROther HDTVPool3Ghent University – IBBT0None-30-Reference HDTVPool3Ghent University – IBBT2MPEG-210 Mbps300,015 %Bursty HDTVPool3Ghent University – IBBT4H.26415 Mbps30-Coding only HDTVPool3Ghent University – IBBT5MPEG-25 Mbps300,30 %Bursty HDTVPool3Ghent University – IBBT7H.26410 Mbps30-Coding only HDTVPool3Ghent University – IBBT8H.26410 Mbps300,015 %Bursty HDTVPool3Ghent University – IBBT9H.2645 Mbps300,024 %Bursty HDTVPool3Ghent University – IBBT10H.2645 Mbps300,30 %Bursty HDTVPool3Ghent University – IBBT12H.2643 Mbps300,035 %Bursty HDTVPool3Ghent University – IBBT13H.2643 Mbps300,50 %Bursty TestLabHRC #CodecBit RateFrame RatePLRVBR imum Bitrate HDTVPool3NTIA16H.2641.0 Mbps300%3.0 Mbps HDTVPool3NTIA17H.2641.2 Mbps300%2.5 Mbps HDTVPool3NTIA18H.2641.5 Mbps300%2.5 Mbps HDTVPool3NTIA19H.2642.25 Mbps300%5.5 Mbps HDTVPool3NTIA20H.2643.4 Mbps300%7.0 Mbps HDTVPool3NTIA21H.2645.0 Mbps300%15.0 Mbps 12

13. Questions ?