Attachment 99905 Details for Bug 79280 – my asoundrc including the rl-crossover

my asoundrc including the rl-crossover

.asoundrc (text/plain), 2.89 KB, created by Usr on 2014-05-26 22:30:23 UTC

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Creator: Usr

Created: 2014-05-26 22:30:23 UTC

Size: 2.89 KB

patch

obsolete

># http://alsa.opensupmix_20to21rc.org/SurroundSound
># http://alsa.opensrc.org/Low-pass_filter_for_subwoofer_channel_%28HOWTO%29
># analyseplugin cmt
># http://plugin.org.uk/ladspa-swh/docs/ladspa-swh.html
># LADSPA-Filters by Richard Taylor (http://faculty.tru.ca/rtaylor/rt-plugins/index.html)
> 
>pcm.upmixplug {
>    type plug
>    slave.pcm "upmix_20" #target for audiostream
>    slave.channels 2
>    slave.format S32_LE
>    hint {
>        show on
>        description "UpMix" #name for phonon-device
>    }
>}
> 
>pcm.upmix_20{
>#    type plug
>#    slave.pcm "upmixfilters"
>#    slave.channels 3
>    type route
>    slave.pcm {
>        type lfloat
>        slave.pcm "upmixfilters"
>        slave.format FLOAT_LE
>    }
>    slave.channels 3
>    slave.format S32_LE
>    ttable {
>    #mixing: add <channel> to <channel> multiplied by <factor>
>    #<channel>.<channel> <factor>
>        0.0  1      # left channel
>        1.1  1      # right channel
>        0.2  0.5    # mix left and right ...
>        1.2  0.5    # ... channel for subwoofer
>    }
>}
> 
>    pcm.upmixfilters {
>        #input: channel 0: Left, channel 1: right, channel2: left/2+right/2
>     
>        type ladspa
>        slave.pcm upmix_to21
>        path "/usr/lib/ladspa"
>        channels 3
>        plugins {
>          0 {
>             id 1098  # Identity (Audio) (1098/identity_audio)
>             policy duplicate
>             input.bindings.0 "Input";
>             output.bindings.0 "Output";
>          }
>     
>          1 {
>             id 9021  #Linkwitz-Riley 4th-order high-pass by Richard Taylor
>             policy none
>             input.bindings.0 "Input";
>             output.bindings.0 "Output";
>             input {
>                controls [ 80 ]
>             }
>          }
>     
>          2 {
>             id 9021 #Linkwitz-Riley 4th-order high-pass by Richard Taylor
>             policy none
>             input.bindings.1 "Input";
>             output.bindings.1 "Output";
>             input {
>                controls [ 80 ]
>             }
>          }
>     
>          3 {
>             id 9020  #Linkwitz-Riley 4th-order low-pass by Richard Taylor
>             policy none
>             input.bindings.2 "Input";
>             output.bindings.2 "Output";
>             input {
>                controls [ 80 ]
>             }
>          }
>          #output: channel 0: left highpass-filtered (80Hz), channel 2: right highpass-filtered (80Hz), channel2: left/2+right/2 lowpass-filtered (80Hz) for subwoofer
>       }
>    }
> 
>pcm.upmix_to21 { #uncomment lines for 5.1
>    type plug   slave.pcm "surround51:CARD=D2X"
>    slave.channels 6
>    ttable {
>      0.0     1       # front left
>      1.1     1       # front right
>      #0.2    1       # rear left
>      #1.3    1       # rear right
> 
>      # Front left/right to center.
>      #0.4     0.5
>      #1.4     0.5
> 
>      # Subwoofer, more powerful to compensate for bass-removal from other speakers.
>      # Would normally be 1.
>      2.5     2
>    }
>}

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Attachments on bug 79280: 99905

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