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📄 h_264-mpeg-4：高质量视频数据流传播的视频多媒体数字信号编解码器（video codec for high quality video str networkdictionary 网络大典.mht

📁 RTP（ Real-time Transport Protocol）协议最初是在70年代为了尝试传输声音文件
💻 MHT
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  <TR bgColor=3D#ffffff>
    =
<TD>=E6=98=BE=E7=A4=BA=E9=A1=BA=E5=BA=8F=E5=92=8C=E7=9B=B8=E5=85=B3=E6=95=
=B4=E4=BD=93=E6=80=A7 </TD>
    =
<TD>=E8=A7=A3=E7=A0=81=E5=99=A8=E9=80=89=E7=94=A8=E6=9C=80=E6=9C=89=E6=95=
=88=E7=9A=84=E6=96=B9=E5=BC=8F=E6=98=BE=E7=A4=BA=E5=8A=A8=E7=94=BB=E8=A1=A5=
=E5=81=BF=E5=9B=BE=E7=89=87=EF=BC=8C=E8=BF=9B=E8=80=8C=E6=8F=90=E5=8D=87=E6=
=95=B4=E4=BD=93=E6=80=A7=E8=83=BD=E3=80=82 </TD></TR>
  <TR bgColor=3D#ffffff>
    <TD>=E5=8A=A0=E6=9D=83=E9=A2=84=E6=B5=8B </TD>
    =
<TD>=E5=8A=A8=E7=94=BB=E8=A1=A5=E5=81=BF=E9=A2=84=E6=B5=8B=E4=BF=A1=E5=8F=
=B7=E6=94=AF=E6=8C=81=E5=8A=A0=E6=9D=83=E5=A4=84=E7=90=86=EF=BC=8C=E5=B9=B6=
=E8=83=BD=E6=8E=A5=E5=8F=97=E7=BC=96=E7=A0=81=E5=99=A8=E7=9A=84=E8=A1=A5=E5=
=81=BF=EF=BC=8C=E5=8F=AF=E6=8F=90=E5=8D=87=E5=90=AB=E6=9C=89=E9=9A=90=E7=8E=
=B0=E5=9B=BE=E5=83=8F=E5=9C=BA=E5=BD=B1=E7=9A=84=E8=A7=86=E8=A7=89=E6=95=88=
=E6=9E=9C=E3=80=82 </TD></TR>
  <TR bgColor=3D#ffffff>
    <TD>=E5=B0=8F=E5=9D=97=E5=8F=98=E6=8D=A2 </TD>
    <TD>H.264 =E4=B8=BB=E8=A6=81=E4=BB=A5 4x4 =
=E5=8F=98=E6=8D=A2=E4=B8=BA=E5=9F=BA=E7=A1=80=EF=BC=8C=E5=8F=AF=E4=BB=A5=E6=
=8F=90=E9=AB=98=E6=9F=90=E4=BA=9B=E5=9C=BA=E5=BD=B1=E7=9A=84=E5=9B=BE=E7=89=
=87=E8=B4=A8=E9=87=8F=E3=80=82 </TD></TR>
  <TR bgColor=3D#ffffff>
    <TD>=E5=88=86=E7=AD=89=E7=BA=A7=E6=96=B9=E5=9D=97=E5=8F=98=E6=8D=A2 =
</TD>
    =
<TD>=E5=B0=BD=E7=AE=A1=E9=BB=98=E8=AE=A4=E7=9A=84=E6=96=B9=E5=9D=97=E5=8F=
=98=E6=8D=A2=E7=9A=84=E5=A4=A7=E5=B0=8F=E4=B8=BA 4x4 =
=EF=BC=8C=E4=BD=86=E8=AF=A5=E6=A0=87=E5=87=86=E4=B8=8D=E6=98=AF=E5=9B=BA=E5=
=AE=9A=E4=B8=8D=E5=8F=98=E7=9A=84=EF=BC=8C=E4=B8=BA=E4=BA=86=E6=8F=90=E9=AB=
=98=E6=9F=90=E4=BA=9B=E5=9C=BA=E5=BD=B1=E7=9A=84=E5=9B=BE=E7=89=87=E8=B4=A8=
=E9=87=8F=EF=BC=8C=E4=B9=9F=E5=8F=AF=E4=BD=BF=E7=94=A8=E6=9B=B4=E5=A4=A7=E7=
=9A=84=E6=96=B9=E5=9D=97=EF=BC=8C=E5=A6=82 8x8 =E6=88=96 16x16 =E3=80=82 =

    </TD></TR>
  <TR bgColor=3D#ffffff>
    <TD>=E7=9F=AD=E5=AD=97=E9=95=BF=E5=8F=98=E6=8D=A2 </TD>
    <TD>H.264 =
=E9=99=8D=E4=BD=8E=E4=BA=86=E8=BF=90=E7=AE=97=E5=A4=8D=E6=9D=82=E7=A8=8B=E5=
=BA=A6=EF=BC=8C=E5=8F=AA=E9=9C=80=E8=A6=81=E8=BF=9B=E8=A1=8C 16 =
=E4=BD=8D=E8=BF=90=E7=AE=97=E3=80=82 </TD></TR>
  <TR bgColor=3D#ffffff>
    <TD>=E7=B2=BE=E7=A1=AE=E5=8C=B9=E9=85=8D=E9=80=86=E5=8F=98=E6=8D=A2 =
</TD>
    =
<TD>=E4=B8=8E=E5=A4=A7=E5=A4=9A=E6=95=B0=E5=85=88=E5=89=8D=E7=9A=84=E6=A0=
=87=E5=87=86=E9=83=BD=E4=B8=8D=E5=90=8C=E7=9A=84=E6=98=AF=EF=BC=8C=E6=89=80=
=E6=9C=89=E5=88=A9=E7=94=A8 H.264 =
=E5=A4=84=E7=90=86=E8=A7=86=E9=A2=91=E6=95=B0=E6=8D=AE=E6=B5=81=E7=BC=96=E7=
=A0=81=E7=9A=84=E8=A7=A3=E7=A0=81=E5=99=A8=E9=83=BD=E8=83=BD=E5=A4=9F=E5=BE=
=97=E5=88=B0=E5=AE=8C=E5=85=A8=E7=9B=B8=E5=90=8C=E7=9A=84=E5=9B=BE=E7=89=87=
=E3=80=82 </TD></TR>
  <TR bgColor=3D#ffffff>
    =
<TD>=E7=AE=97=E6=9C=AF=E4=B8=8E=E5=86=85=E5=AE=B9=E8=87=AA=E9=80=82=E5=BA=
=94=E7=86=B5=E7=BC=96=E7=A0=81 </TD>
    =
<TD>=E5=A4=9A=E5=AA=92=E4=BD=93=E6=95=B0=E5=AD=97=E7=BC=96=E8=A7=A3=E7=A0=
=81=E5=99=A8=E4=BD=BF=E7=94=A8=E4=BA=86=E5=85=88=E8=BF=9B=E7=9A=84=E7=86=B5=
=E7=BC=96=E7=A0=81=E6=96=B9=E6=B3=95=EF=BC=8C=E6=8F=90=E9=AB=98=E4=BA=86=E6=
=95=B4=E4=BD=93=E7=9A=84=E8=B4=A8=E9=87=8F=E3=80=82 </TD></TR>
  <TR bgColor=3D#ffffff>
    <TD>=E5=8F=82=E6=95=B0=E9=9B=86=E5=90=88=E7=BB=93=E6=9E=84 </TD>
    =
<TD>=E5=8F=82=E6=95=B0=E9=9B=86=E5=90=88=E7=BB=93=E6=9E=84=E5=90=8C=E5=85=
=B6=E5=AE=83=E6=95=B0=E6=8D=AE=E5=8F=8A=E7=89=B9=E6=AE=8A=E5=A4=84=E7=90=86=
=E7=9A=84=E5=88=86=E7=A6=BB=E4=BD=BF=E5=BE=97=E4=BF=A1=E6=81=AF=E4=B8=8D=E6=
=98=93=E4=B8=A2=E5=A4=B1=E3=80=82 </TD></TR></TBODY></TABLE>
<TABLE cellSpacing=3D0 cellPadding=3D5 width=3D550 border=3D0>
  <TBODY>
  <TR>
    <TD width=3D20><IMG height=3D20=20
      src=3D"http://www.networkdictionary.cn/images/arrow.gif" =
width=3D20></TD>
    <TD =
width=3D560>=E5=8D=8F=E8=AE=AE=E7=BB=93=E6=9E=84</TD></TR></TBODY></TABLE=
>
<TABLE cellSpacing=3D0 cellPadding=3D5 border=3D0>
  <TBODY>
  <TR>
    <TD>
      =
<P>=E5=85=AB=E8=BF=9B=E5=88=B6=E7=9A=84=E7=BD=91=E7=BB=9C=E6=8F=90=E5=8F=96=
=E5=B1=82=EF=BC=88NAL=EF=BC=89=E5=8D=95=E5=85=83=E7=B1=BB=E5=9E=8B=E7=9A=84=
=E7=BB=93=E6=9E=84=E5=A6=82=E4=B8=8B=EF=BC=9A =
</P></TD></TR></TBODY></TABLE>
<TABLE cellSpacing=3D1 cellPadding=3D5 bgColor=3D#999999 border=3D0>
  <TBODY>
  <TR align=3Dmiddle bgColor=3D#efefef>
    <TD><STRONG>1 </STRONG></TD>
    <TD><STRONG>3 </STRONG></TD>
    <TD><STRONG>8bit </STRONG></TD></TR>
  <TR align=3Dmiddle bgColor=3D#ffffff>
    <TD>F </TD>
    <TD>NRI </TD>
    <TD>Type </TD></TR></TBODY></TABLE>
<TABLE cellSpacing=3D0 cellPadding=3D5 border=3D0>
  <TBODY>
  <TR>
    <TD>
      <P>F: Forbidden_zero_bit =EF=BC=9A H.264 =
=E8=A7=84=E5=AE=9A=E5=85=B6=E5=80=BC=E4=B8=BA 1 =
=E6=97=B6=EF=BC=8C=E5=8C=85=E5=90=AB=E8=AF=AD=E6=B3=95=E9=94=99=E8=AF=AF=E3=
=80=82 </P>
      <P>NRI: nal_ref_idc.=E5=85=B6=E5=80=BC=E4=B8=BA 00 =
=E6=97=B6=EF=BC=8CNAL =
=E5=8D=95=E5=85=83=E7=9A=84=E5=86=85=E5=AE=B9=E4=B8=8D=E7=94=A8=E4=BA=8E=E5=
=86=85=E9=83=A8=E5=9B=BE=E7=89=87=E9=A2=84=E6=B5=8B=E4=B8=AD=E5=8F=82=E8=80=
=83=E5=9B=BE=E7=89=87=E7=9A=84=E7=BB=98=E5=88=B6=E3=80=82=E5=85=B6=E5=80=BC=
=E4=B8=BA=E5=85=B6=E5=AE=83=E6=95=B0=E5=80=BC=E6=97=B6=EF=BC=8C NAL=20
      =
=E5=8D=95=E5=85=83=E7=9A=84=E7=BC=96=E7=A0=81=E9=9C=80=E8=A6=81=E7=BB=B4=E6=
=8C=81=E5=8F=82=E8=80=83=E5=9B=BE=E7=89=87=E7=9A=84=E5=AE=8C=E6=95=B4=E6=80=
=A7=E3=80=82 </P>
      <P>Type: nal_unit_payload =E7=B1=BB=E5=9E=8B =
</P></TD></TR></TBODY></TABLE>
<TABLE cellSpacing=3D1 cellPadding=3D5 bgColor=3D#999999 border=3D0>
  <TBODY>
  <TR align=3Dmiddle bgColor=3D#efefef>
    <TD><STRONG>=E7=B1=BB=E5=9E=8B </STRONG></TD>
    <TD><STRONG>=E6=95=B0=E6=8D=AE=E5=8C=85 </STRONG></TD>
    <TD><STRONG>=E7=B1=BB=E5=9E=8B=E5=90=8D </STRONG></TD></TR>
  <TR align=3Dmiddle bgColor=3D#ffffff>
    <TD>0 </TD>
    <TD>=E6=9C=AA=E5=AE=9A=E4=B9=89</TD>
    <TD>&nbsp;</TD></TR>
  <TR align=3Dmiddle bgColor=3D#ffffff>
    <TD>
      <P>1-23 </P></TD>
    <TD>NAL unit</TD>
    <TD>Single NAL unit packet per H.264 </TD></TR>
  <TR align=3Dmiddle bgColor=3D#ffffff>
    <TD>
      <P>24 </P></TD>
    <TD>STAP-A</TD>
    <TD>Single-time aggregation packet </TD></TR>
  <TR align=3Dmiddle bgColor=3D#ffffff>
    <TD>
      <P>25 </P></TD>
    <TD>STAP-B</TD>
    <TD>Single-time aggregation packet </TD></TR>
  <TR align=3Dmiddle bgColor=3D#ffffff>
    <TD>
      <P>26 </P></TD>
    <TD>MTAP16</TD>
    <TD>Multi-time aggregation packet</TD></TR>
  <TR align=3Dmiddle bgColor=3D#ffffff>
    <TD>
      <P>27 </P></TD>
    <TD>MTAP24</TD>
    <TD>Multi-time aggregation packet </TD></TR>
  <TR align=3Dmiddle bgColor=3D#ffffff>
    <TD>
      <P>28 </P></TD>
    <TD>FU-A</TD>
    <TD>Fragmentation unit </TD></TR>
  <TR align=3Dmiddle bgColor=3D#ffffff>
    <TD>
      <P>29 </P></TD>
    <TD>FU-B</TD>
    <TD>Fragmentation unit </TD></TR>
  <TR align=3Dmiddle bgColor=3D#ffffff>
    <TD>30-31 </TD>
    <TD>=E6=9C=AA=E5=AE=9A=E4=B9=89 </TD>
    <TD>&nbsp;</TD></TR></TBODY></TABLE>
<TABLE cellSpacing=3D0 cellPadding=3D5 width=3D550 border=3D0>
  <TBODY>
  <TR>
    =
<TD>=E6=97=A2=E7=84=B6=E5=AE=9E=E6=97=B6=E4=BC=A0=E8=BE=93=E5=8D=8F=E8=AE=
=AE=EF=BC=88RTP=EF=BC=89=E6=98=AF H.264/MPEG-4 =
=E8=A7=86=E9=A2=91=E6=95=B0=E6=8D=AE=E6=B5=81=E7=9A=84=E4=BC=A0=E8=BE=93=E5=
=8D=8F=E8=AE=AE=EF=BC=8CH.264/MPEG-4 =
=E6=95=B0=E6=8D=AE=E5=8C=85=E4=B9=9F=E5=B0=B1=E8=A2=AB=E5=B0=81=E8=A3=85=E6=
=88=90 RTP=20
    =E6=95=B0=E6=8D=AE=E5=B8=A7=E3=80=82</TD></TR></TBODY></TABLE>
<P>=E7=9B=B8=E5=85=B3=E5=8D=8F=E8=AE=AE=EF=BC=9A<A =
href=3D"http://www.networkdictionary.cn/protocols/rtp.php"=20
target=3D_blank>RTP</A>=E3=80=81<A=20
href=3D"http://www.networkdictionary.cn/protocols/rtsp.php"=20
target=3D_blank>RTSP</A>=E3=80=81<A=20
href=3D"http://www.networkdictionary.cn/protocols/h245.php"=20
target=3D_blank>H.245</A>=E3=80=81<A=20
href=3D"http://www.networkdictionary.cn/protocols/h323.php"=20
target=3D_blank>H.323</A>=E3=80=81<A=20
href=3D"http://www.networkdictionary.cn/protocols/h225.php"=20
target=3D_blank>H.225</A>=E3=80=81<A=20
href=3D"http://www.networkdictionary.cn/protocols/h261.php"=20
target=3D_blank>H.261</A>=E3=80=81<A=20
href=3D"http://www.networkdictionary.cn/protocols/h263.php">H.263</A>=E3=80=
=81MPEG-2 </P>
<P>=E7=BB=84=E7=BB=87=E6=9D=A5=E6=BA=90=EF=BC=9AITU=EF=BC=88<A =
href=3D"http://www.itu.int/" =
target=3D_blank>http://www.itu.int/</A>=E5=92=8C=20
ISO=EF=BC=88<A href=3D"http://www.iso.org/" =
target=3D_blank>http://www.iso.org/</A>=E8=81=94=E5=90=88=E5=BC=80=E5=8F=91=
=E4=BA=86=20
H.264/MPEG-4 </P>
<P>=E7=9B=B8=E5=85=B3=E9=93=BE=E6=8E=A5=EF=BC=9A<BR><A =
href=3D"http://www.javvin.com/protocol/rfc3984.pdf"=20
target=3D_blank>http://www.javvin.com/protocol/rfc3984.pdf</A>: H.264 =
=E8=A7=86=E9=A2=91=E6=95=B0=E6=8D=AE=E7=9A=84 RTP=20
=E6=9C=89=E6=95=88=E8=B4=9F=E8=BD=BD=E6=A0=BC=E5=BC=8F <A =
href=3D"http://www.vcodex.com/h264.html"=20
target=3D_blank><BR>http://www.vcodex.com/h264.html </A>: H.264 / MPEG-4 =
=E7=AC=AC=E5=8D=81=E9=83=A8=E5=88=86=E6=8C=87=E5=8D=97=20
</P>
<DIV class=3Dbook-navigation>
<DIV class=3D"page-links clear-block"><A class=3Dpage-previous =
title=3D=E8=BD=AC=E5=88=B0=E4=B8=8A=E4=B8=80=E9=A1=B5=20
href=3D"http://www.networkdictionary.cn/protocols/h263.php">=E2=80=B9 =
H.263=EF=BC=9A=E8=A7=86=E9=A2=91=E7=BC=96=E7=A0=81=E5=92=8C=E8=A7=A3=E7=A0=
=81=EF=BC=88Video=20
Coding and Decoding - CODEC rk=EF=BC=89</A><A class=3Dpage-up =
title=3D=E8=BD=AC=E5=88=B0=E4=B8=8A=E7=BA=A7=E9=A1=B5=E9=9D=A2=20
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href=3D"http://www.networkdictionary.cn/protocols/rtcp.php">RTCP=EF=BC=9A=
RTP =E6=8E=A7=E5=88=B6=E5=8D=8F=E8=AE=AE=EF=BC=88RTP=20
Control Protocol=EF=BC=89 =E2=80=BA</A></DIV></DIV></DIV>
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