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<html><head></head><body><div style="font-size: 12pt; font-family: Calibri,sans-serif;"><div>Hi there,</div><div><br></div><div>Im trying to understand the structure of an opus UDP payload. Recently i capture a test audio containing opus codec.</div><div><br></div><div>I notice that some packets contains the same number of payload block.(e.g.58 bytes) When i look at the UDP data i see the first few four bytes were having these hex representation, 0x0d 0x80 0x5d 0xeb</div><div><br></div><div>Can someone explain to me the meaning of the first four bytes in the UDP payload for opus.</div><div><br></div><div>Im sorry if my question seems to be naive but im just curious about opus codec and the mechanism behind.</div><div><br></div><div>Thank you. Hope to hear your response.</div><div><br></div><div><br></div><div>Regards.</div><div>AJ</div></div></body></html><br>