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Work item:
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P.1204.3 (ex P.NATS-ph2)
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Subject/title:
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Video quality assessment of streaming services over reliable transport for resolutions up to 4K with access to full bitstream information
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Status:
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Approved on 2020-01-13
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Approval process:
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AAP
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Type of work item:
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Recommendation
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Version:
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New
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Equivalent number:
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-
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Timing:
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-
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Liaison:
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N/A
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Supporting members:
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Deutsche Telekom, Ericsson, Huawei, Netscout, NTT, Opticom, Rohde & Schwarz
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Summary:
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This Recommendation ITU-T P.1204.3 describes a bitstream-based mode 3 video quality model for monitoring the video quality for streaming using reliable transport (e.g. HTTP-based adaptive streaming over TCP, QUIC). The estimate is validated for videos encoded with H.264, H.265 or VP9 codecs at any resolution up to 4K/UHD resolution for PC monitors and TV and up to QHD (2560x1440) for Smartphone and Tablet displays.
The standard provides sequence-related (between 5 to 10 sec.) and per-1-second video-quality estimation. In principle, the per-one-second outputs of this video-quality model can be used together with an audio model for integration into audiovisual quality and, together with information about initial loading delay and media playout stalling events, further into a final per-session model output, an estimate of integral per-session quality (see e.g. ITU-T Recs. P.1203, P.1203.2, P.1203.3).
The respective ITU-T work item has formerly been referred to as "P.NATS Phase 2", and was conducted in collaboration between ITU-T Study Group 12 and the Video Quality Experts Group (VQEG).
The ITU-T P.1204.3 Recommendation addresses three application areas:
-Large-screen presentation as with fixed-network video streaming
-Mobile streaming on handheld devices such as smartphones
-Presentation on tablet-type devices
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Comment:
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-
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Reference(s):
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Historic references:
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Contact(s):
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| ITU-T A.5 justification(s): |
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First registration in the WP:
2019-12-11 11:56:31
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Last update:
2020-01-22 19:04:53
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