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| -rw-r--r-- | doc/manual/dcpomatic.xml | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/doc/manual/dcpomatic.xml b/doc/manual/dcpomatic.xml index 3df603a85..69bb45d54 100644 --- a/doc/manual/dcpomatic.xml +++ b/doc/manual/dcpomatic.xml @@ -1464,13 +1464,20 @@ cinema audio systems.</listitem> <listitem>DCP Ls is input L bandpass-filtered between 4.8kHz and 20kHz.</listitem> <listitem>DCP Rs is input R bandpass-filtered between 4.8kHz and 20kHz.</listitem> </itemizedlist> -</listitem> -</itemizedlist> - <para> This upmixing algorithm is due to Gérald Maruccia. </para> - +</listitem> +<listitem>Stereo to 5.1 up-mixer B — this uses a different approach: +<itemizedlist> + <listitem>DCP L is input L.</listitem> + <listitem>DCP R is input R.</listitem> + <listitem>DCP C is input L + input R taken down by 3dB.</listitem> + <listitem>DCP Lfe is DCP C bandpass filtered between 20Hz and 150Hz.</listitem> + <listitem>DCP Ls and Rs are input L - input R with a 20ms delay.</listitem> +</itemizedlist> +</listitem> +</itemizedlist> <!-- ============================================================== --> <section> |