tmn5.mht

H263 码率控制的标准算法 TMN5, rate control method for h.263

<P>where Qj is the reference quantization parameter obtained in step 2. =
The=20
final value of mquantj is clipped to the range [1..31] and is used and =
coded as=20
described in sections 7, 8 and 9 in either the slice or macroblock =
layer.<BR>
<H2>Known Limitations<BR></H2>
<UL>
  <LI>Step 1 does not handle scene changes efficiently.=20
  <LI>A wrong value of avg_act is used in step 3 after a scene change.=20
  <LI>VBV compliance is not guaranteed. </LI></UL>
<P>
<HR>

<P>
<LI><A href=3D"http://www.mpeg.org/MPEG/MSSG/tm5/index.html">Back</A> to =
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