diff options
| -rw-r--r-- | DOCS/xml/en/encoding-guide.xml | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/DOCS/xml/en/encoding-guide.xml b/DOCS/xml/en/encoding-guide.xml index 17193c967a..d9d52af147 100644 --- a/DOCS/xml/en/encoding-guide.xml +++ b/DOCS/xml/en/encoding-guide.xml @@ -2389,7 +2389,6 @@ An example with AC3 compression: <listitem><para> <emphasis role="bold">vb_strategy=1</emphasis>: helps in high-motion scenes. - Requires vmax_b_frames >= 2. On some videos, vmax_b_frames may hurt quality, but vmax_b_frames=2 along with vb_strategy=1 helps. </para></listitem> @@ -2474,7 +2473,7 @@ An example with AC3 compression: stored in the encoded file. The compression gain/loss depends on the movie, but it is usually not very effective on anime. - qpel always incurs a significant cost in CPU decode time (+20% in + qpel always incurs a significant cost in CPU decode time (+25% in practice). </para></listitem> @@ -2875,8 +2874,8 @@ codec</title> <listitem><para> <emphasis role="bold">hq_ac</emphasis> Activates a better coefficient cost estimation method, which slightly - reduces filesize by around 0.15 to 0.19%, while having a negligible - impact on speed. + reduces filesize by around 0.15 to 0.19% (which corresponds to less + than 0.01dB PSNR increase), while having a negligible impact on speed. It is therefore recommended to always leave it on. </para></listitem> |