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Understanding RTP Timestamps and System Time in MPEG-4 Encapsulation

This document explores the relationship between RTP timestamps and system time in the context of MPEG-4 video encapsulation. It discusses the significance of timing in media streaming, focusing on various video frame formats (VF-1, VF-2, VF-3, VF-4) and the role of the MPEG-4 header in defining start codes. The analysis further covers synchronization issues and provides insight into video encoding practices that ensure smooth playback. This is essential for anyone involved in video streaming, encoding, or quality control.

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Understanding RTP Timestamps and System Time in MPEG-4 Encapsulation

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  1. RTP Timestamps vs System Time VF-1 66652 us 6007 =66744 us VF-1 VF-2 VF-2 66598 us 6007 VF-3 VF-3 6007 67152 us VF-4 VF-4

  2. I-VOP Encapsulation of MPEG-4

  3. Start Code in MPEG-4 Header

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