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    • 51. 发明授权
    • Moving picture compression encoding transceiver apparatus
    • 运动图像压缩编码收发器装置
    • US07609645B2
    • 2009-10-27
    • US10802794
    • 2004-03-18
    • Satoshi MiyajiYasuhiro TakishimaYasuyuki Nakajima
    • Satoshi MiyajiYasuhiro TakishimaYasuyuki Nakajima
    • H04J1/16
    • H04L65/602H04L29/06027H04L65/80
    • It is made possible to concretely estimate actual transmission bit rate in a frame of grasping a line state by using a report packet.Together with media packets encoded by a video encoder 1 and an audio encoder 2, a sender report packet generated by a sender report generation section 3 is sent to the transmission line. A receiver report packet is fed back from the receiver side. Each of the sender report packet and the receiver report packet includes report packets of two kinds differing in size. A rate estimation section 4 estimates transmission bit rate on the basis of round-trip delay time for the sender report packet and the receiver report packet each having a small size and round-trip delay time for the sender report packet and the receiver report packet each having a large size.
    • 通过使用报告分组,能够具体地估计在掌握线状态的帧中的实际传输比特率。 与由视频编码器1和音频编码器2编码的媒体分组一起,由发送者报告生成部3生成的发送者报告分组被发送到传输线。 接收机报告分组从接收机侧反馈。 发送者报告分组和接收者报告分组中的每一个包括两种不同大小的报告分组。 速率估计部分4基于发送者报告分组的往返延迟时间和每个具有用于发送者报告分组的小尺寸和往返延迟时间的接收机报告分组以及每个接收机报告分组来估计传输比特率 具有大尺寸。