| 摘要 |
A transmitter ( 14 ) of audio, video, or other real-time information reads the information from a persistent store ( 22 ) in which the real-time information has been stored in the Real-time-Transport Protocol ("RTP") format (FIG. 4 ). A receiver ( 18 ) receives the information from the channel ( 16 ) through which the transmitter ( 14 ) has transmitted it, and the receiver may store the information in a persistent store ( 24 ) in RTP format instead of or in addition to playing it by applying it to an appropriate player ( 20 ). Parts of this communications circuit may be tested by a tester unit ( 26 ) that also employs RTP-format information from a persistent store ( 22 ).
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