diff options
Diffstat (limited to 'DOCS/xml/en/encoding-guide.xml')
| -rw-r--r-- | DOCS/xml/en/encoding-guide.xml | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/DOCS/xml/en/encoding-guide.xml b/DOCS/xml/en/encoding-guide.xml index b3f1d56ae1..79140bd3ba 100644 --- a/DOCS/xml/en/encoding-guide.xml +++ b/DOCS/xml/en/encoding-guide.xml @@ -1360,15 +1360,15 @@ Do not do this! Always use a file or CD/DVD/etc device as input. <itemizedlist> <listitem><para> <emphasis role="bold">Compression efficiency</emphasis>: - It's quite easy to understand that newer-generation codecs are made + It is quite easy to understand that newer-generation codecs are made to yield better picture quality than previous generations. - Therefore, you cannot be wrong + Therefore, you cannot go wrong <footnote id='fn-menc-feat-dvd-mpeg4-codec-cpu'> - <para>Be careful, however: decoding DVD-resolution MPEG-4 AVC videos + <para>Be careful, however: Decoding DVD-resolution MPEG-4 AVC videos requires a fast machine (i.e. a Pentium 4 over 1.5Ghz or a Pentium M over 1Ghz). </para></footnote> - by choosing MPEG-4 AVC codecs like + when choosing MPEG-4 AVC codecs like <systemitem class="library">x264</systemitem> instead of MPEG-4 ASP codecs such as <systemitem class="library">libavcodec</systemitem> MPEG-4 or <systemitem class="library">XviD</systemitem>. @@ -1385,8 +1385,8 @@ Do not do this! Always use a file or CD/DVD/etc device as input. This is simply the tradeoff for using bleeding-edge technology. </para> <para> - What's more, beginning to use a new codec requires that you spend some - time becoming familiar with its available options, so that you know what + What is more, beginning to use a new codec requires that you spend some + time becoming familiar with its options, so that you know what to adjust to achieve a desired picture quality. </para></listitem> @@ -1395,9 +1395,9 @@ Do not do this! Always use a file or CD/DVD/etc device as input. It usually takes a long time for standalone video players to begin to include support for the latest video codecs. As a result, most only support MPEG-2 and MPEG-4 ASP - (beware: usually, not all MPEG-4 ASP features are supported). + (Beware: Usually, not all MPEG-4 ASP features are supported). Please refer to the technical specs of your player (if they are available), - or Google around for more information. + or google around for more information. </para></listitem> <listitem><para> @@ -1406,13 +1406,14 @@ Do not do this! Always use a file or CD/DVD/etc device as input. <systemitem class="library">libavcodec</systemitem> MPEG-4 and <systemitem class="library">XviD</systemitem>) are usually heavily optimized with all kinds of smart algorithms and SIMD assembly code. - That's why they tend to yield the best quality per fps. + That is why they tend to yield the best quality quality per + encoding time ratio. However, they may have some very advanced options that, if enabled, will make the encode really slow for marginal gains. </para> <para> If you are after blazing speed you should stick around the default - settings of the video codec (which doesn't mean you should not experiment + settings of the video codec (which does not mean you should not experiment with some of the options which are mentioned in other sections of this guide). </para> @@ -1439,7 +1440,7 @@ Do not do this! Always use a file or CD/DVD/etc device as input. <systemitem class="library">x264</systemitem>. </para> <para> - Make your own judgment, and don't always listen to what some people will + Make your own judgment, and do not always listen to what some people will tell you to do or think: The best codec is the one you master the best, and the one that looks best to your eyes on your display <footnote id='fn-menc-feat-dvd-mpeg4-codec-playback'> |