vqeg hdtv scene pool 3 summary acreo ghent university – ibbt ntia
TRANSCRIPT
VQEG HDTVScene Pool 3 Summary
AcreoGhent University – IBBTNTIA
SRCs – 1080p @ 30fps
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AspenClose-up of leaves & treesLittle camera zoom-outFast switching between different treesWind makes leaves move
Elephants DreamElevator sceneCabin is thrown in the airRapid movementsFast camera motion
Basketball pointStill cameraPeople movingThrow of the ball
SRCs – 1080p @ 30fps
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Halftime showStill cameraMusicians forming rows and walking toward each otherFlags thrown in the air
Fox & BirdCartoonFox running towards birdFast camera movements
Zoom, Panning
Music VideoStill cameraBirdcage with objects + very colorful feathersTurning around on a plateWind makes feathers move
SRCs – 1080p @ 30fps
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Speed bagClose-up of speed bagPerson hitting speed bagStill cameraChanging viewpoints
TouchdownAmerican football rushPeople running aroundFast camera movement
CloudsSlow camera panBanner with scrolling poem at the bottom
HRC Creation
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Encoding
Streaming
Decoding
SRC
PVS
MPEG-2H.264/AVC
xStreamer(with/without packet loss)
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
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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
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MPEG-2 Streaming
MPEG Transport Stream (TS) over RTP
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H.264/AVC Streaming
H.264/AVC over RTP Packetization according to RFC3984
No aggregation
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Decoding
Decoding using libavcodec Only correct received frames are decoded Dropped frames replaced by frame freeze
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ILGs
HRC Creation Acreo Ghent University – IBBT NTIA
Subjective Test Acreo
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Summary
Test Lab HRC # Codec Bit Rate Frame Rate PLR OtherHDTVPool3 Ghent University – IBBT 0 None - 30 - Reference
HDTVPool3 Ghent University – IBBT 2 MPEG-2 10 Mbps 30 0,015 % Bursty
HDTVPool3 Ghent University – IBBT 4 H.264 15 Mbps 30 - Coding only
HDTVPool3 Ghent University – IBBT 5 MPEG-2 5 Mbps 30 0,30 % Bursty
HDTVPool3 Ghent University – IBBT 7 H.264 10 Mbps 30 - Coding only
HDTVPool3 Ghent University – IBBT 8 H.264 10 Mbps 30 0,015 % Bursty
HDTVPool3 Ghent University – IBBT 9 H.264 5 Mbps 30 0,024 % Bursty
HDTVPool3 Ghent University – IBBT 10 H.264 5 Mbps 30 0,30 % Bursty
HDTVPool3 Ghent University – IBBT 12 H.264 3 Mbps 30 0,035 % Bursty
HDTVPool3 Ghent University – IBBT 13 H.264 3 Mbps 30 0,50 % Bursty
Test Lab HRC # Codec Bit Rate Frame Rate PLR VBR imum BitrateHDTVPool3 NTIA 16 H.264 1.0 Mbps 30 0% 3.0 Mbps
HDTVPool3 NTIA 17 H.264 1.2 Mbps 30 0% 2.5 Mbps
HDTVPool3 NTIA 18 H.264 1.5 Mbps 30 0% 2.5 Mbps
HDTVPool3 NTIA 19 H.264 2.25 Mbps 30 0% 5.5 Mbps
HDTVPool3 NTIA 20 H.264 3.4 Mbps 30 0% 7.0 Mbps
HDTVPool3 NTIA 21 H.264 5.0 Mbps 30 0% 15.0 Mbps
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