16 Quality timed metadata in the 3GPP File Format
26.2443GPP3GPP file format (3GP)Release 17Transparent end-to-end Packet-switched Streaming Service (PSS)TS
Quality metadata refers to video quality metrics based on associated measurements of the media data, as described in clause 4 of [53] and clause 6.17 of [54]. When quality metadata data is stored in the 3GPP File Fomat, a timed metadata track shall be used with QualityMetricsSampleEntry box as described in clause 4 of [53].