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-rw-r--r--DOCS/man/en/af.rst17
1 files changed, 9 insertions, 8 deletions
diff --git a/DOCS/man/en/af.rst b/DOCS/man/en/af.rst
index 5fe660275a..67110f9b47 100644
--- a/DOCS/man/en/af.rst
+++ b/DOCS/man/en/af.rst
@@ -64,17 +64,18 @@ Available filters are:
outputting to S/PDIF. If the input sample rate is not 48 kHz, 44.1 kHz or
32 kHz, it will be resampled to 48 kHz.
- ``<tospdif>``
- Output raw AC-3 stream if zero or not set, output to S/PDIF for
- passthrough when ``<tospdif>`` is set non-zero.
- ``<bitrate>``
- The bitrate use for the AC-3 stream. Set it to either 384 or 384000
- to get 384 kbps.
+ ``tospdif=<yes|no>``
+ Output raw AC-3 stream if ``no``, output to S/PDIF for
+ passthrough if ``yes`` (default).
+
+ ``bitrate=<rate>``
+ The bitrate use for the AC-3 stream. Set it to 384 to get 384 kbps.
Valid values: 32, 40, 48, 56, 64, 80, 96, 112, 128,
160, 192, 224, 256, 320, 384, 448, 512, 576, 640.
- Default bitrate is based on the input channel number:
+ The special value ``default`` selects a default bitrate based on the
+ input channel number:
:1ch: 96
:2ch: 192
@@ -83,7 +84,7 @@ Available filters are:
:5ch: 448
:6ch: 448
- ``<minchn>``
+ ``minchn=<n>``
If the input channel number is less than ``<minchn>``, the filter will
detach itself (default: 5).