Presentation on theme: "Perceived Audiovisual Quality of Low-Bitrate Multimedia Content Stefan Winkler, Christof Faller IEEE Transactions on Multimedia vol. 8, no. 5, pp. 973-980,"— Presentation transcript:
Perceived Audiovisual Quality of Low-Bitrate Multimedia Content Stefan Winkler, Christof Faller IEEE Transactions on Multimedia vol. 8, no. 5, pp. 973-980, Oct. 2006 http://stefan.winkler.net/publications.html
Test Overview Mobile video Low bitrates, small-size clips 6 AV source clips (QCIF, ~8s each) NameVideoAudio BuildingsSlow pan across city skylineOrchestral background music ConversationCamera switching between woman and man (head-and-shoulders) Male and female voice FootballAmerican football (VQEG)Crowd cheering and chanting, female commentator Music videoMusic video clipRock music with vocals Trailer 1Action movie trailer; scene cuts, high motion Theme music, voice-over Trailer 2Romance movie trailer with credits; scene cuts Theme music, voice-over
Test Setup H.264 encoder Video decoder AV source sequence Codec, bitrate, frame rate AAC-LC encoder Audio decoder AV test sequence Bitrate, channels, sampling rate Audio Video Video: H.264, H.263, MPEG-4 codecs Frame rates: 8 fps, 15 fps Audio: Mono/stereo Sampling rates: 8–32 kHz
Your consent to our cookies if you continue to use this website.