| 摘要 |
<p>PROBLEM TO BE SOLVED: To abort packets which are needed to be aborted without deteriorating speech quality when voice data are assembled into the packets and communicated in an IP network. SOLUTION: The voice packet delay fluctuation absorbing apparatus 100 comprises an IP packet reception section 10 for receiving voice packets through a network; an RTP (Real time Transport Protocol) detection section 11 for applying sequence control to the voice packets on the basis of a sequence number of the voice packets; a fluctuation detection section 12 for measuring a voice packet arrival time interval, calculating a delay time of an arrival time of the voice packets, and storing the delay time as a delay fluctuation of the voice data; a fluctuation absorption buffer control section 13 for calculating an abort threshold of a fluctuation absorption buffer section 14 on the basis of a maximum delay of the voice packets; and the fluctuation absorption buffer section 14 for temporarily storing the voice data. The fluctuation absorption buffer control section 13 calculates the abort threshold and manages abort of the voice data stored in the fluctuation absorption buffer section 14.</p> |
