The P bit indicates that the packet has been padded to a multiple of 4 bytes. The last padding byte tells how many bytes were added. The X bit indicates that an extension header is present. The format and meaning of the extension header are not defined. The only thing that is defined is that the first word of the extension gives the length. This is an escape hatch for any unforeseen requirements.
The CC field tells how many contributing sources are present, from 0 to 15 (see below). The M bit is an application-specific marker bit. It can be used to mark the start of a video frame, the start of a word in an audio channel, or something else that the application understands. The Payload type field tells which encoding algorithm has been used (e.g., uncompressed 8-bit audio, MP3, etc.). Since every packet carries this field, the encoding can change during transmission. The Sequence number is just a counter that is incremented on each RTP packet sent. It is used to detect lost packets.
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高分悬赏 求助日语高手翻译一段话
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汉译法 求助法语高手 高分
apprentissage par soi-même après le dîner, rentrée dans le dortoir à 22 heures et 23 heures au lit.5.一般来说大家都能按时起床,但有些人七点才起来,更有甚者八点差五分才起床。Normalement on peut se lever à temps. Mais certains se lèvent à 7 heures. Le pire es...
汉译英高分求助
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高分 求助 翻译 英译汉
My Dear ,has been a long time and did not contact with you, and I have to admit to you, I always engraved in mind you, cared about you, worried about you. The cold weather, for fear you do not know that the rate of clothes. travel back late, and worry about your ...
高分求一段简单的英文翻译,是自我介绍!急,在线等!叩谢
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一段文字的翻译,高手们来看看,高分求助
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200高分求助歌词翻译
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高分求翻译!
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