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encoders.texi: decrease level for audio encoders section

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Make Audio Encoders a separate chapter, and decrese the contained
sections level by one.

Improve rendering, and improve consistency with the other parts of the
manual.
This commit is contained in:
Stefano Sabatini 2011-05-19 19:41:19 +02:00
parent 1e31ea71ff
commit d4111e525d
1 changed files with 17 additions and 13 deletions
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30
doc/encoders.texi
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@ -17,11 +17,15 @@ with the options @code{--enable-encoder=@var{ENCODER}} /
The option @code{-codecs} of the ff* tools will display the list of
enabled encoders.
A description of some of the currently available encoders follows.
@c man end ENCODERS
@section Audio Encoders
@chapter Audio Encoders
@c man begin AUDIO ENCODERS
@subsection ac3 and ac3_fixed
A description of some of the currently available audio encoders
follows.
@section ac3 and ac3_fixed
AC-3 audio encoders.
@ -36,7 +40,7 @@ quality audio for a given bitrate. The @var{ac3_fixed} encoder is not the
default codec for any of the output formats, so it must be specified explicitly
using the option @code{-acodec ac3_fixed} in order to use it.
@subheading AC-3 Metadata
@subsection AC-3 Metadata
The AC-3 metadata options are used to set parameters that describe the audio,
but in most cases do not affect the audio encoding itself. Some of the options
@ -55,7 +59,7 @@ documents.
@item @uref{http://www.dolby.com/uploadedFiles/zz-_Shared_Assets/English_PDFs/Professional/46_DDEncodingGuidelines.pdf,Dolby Digital Professional Encoding Guidelines}
@end itemize
@subsubheading Metadata Control Options
@subsubsection Metadata Control Options
@table @option
@ -72,7 +76,7 @@ Metadata values can be changed before encoding each frame.
@end table
@subsubheading Downmix Levels
@subsubsection Downmix Levels
@table @option
@ -106,7 +110,7 @@ Silence Surround Channel(s)
@end table
@subsubheading Audio Production Information
@subsubsection Audio Production Information
Audio Production Information is optional information describing the mixing
environment. Either none or both of the fields are written to the bitstream.
@ -140,7 +144,7 @@ Small Room
@end table
@subsubheading Other Metadata Options
@subsubsection Other Metadata Options
@table @option
@ -195,7 +199,7 @@ Original Source (default)
@end table
@subsubheading Extended Bitstream Information
@subsection Extended Bitstream Information
The extended bitstream options are part of the Alternate Bit Stream Syntax as
specified in Annex D of the A/52:2010 standard. It is grouped into 2 parts.
If any one parameter in a group is specified, all values in that group will be
@ -205,7 +209,7 @@ will use these values instead of the ones specified in the @code{center_mixlev}
and @code{surround_mixlev} options if it supports the Alternate Bit Stream
Syntax.
@subsubheading Extended Bitstream Information - Part 1
@subsubsection Extended Bitstream Information - Part 1
@table @option
@ -302,7 +306,7 @@ Silence Surround Channel(s)
@end table
@subsubheading Extended Bitstream Information - Part 2
@subsubsection Extended Bitstream Information - Part 2
@table @option
@ -353,7 +357,7 @@ HDCD A/D Converter
@end table
@subheading Other AC-3 Encoding Options
@subsection Other AC-3 Encoding Options
@table @option
@ -365,4 +369,4 @@ is highly recommended that it be left as enabled except for testing purposes.
@end table
@c man end ENCODERS
@c man end AUDIO ENCODERS