Added audio scripts

master
Markus Koch 2017-04-06 19:38:59 +02:00
parent f81fdd7cfa
commit 2d58fc19c7
4 changed files with 110 additions and 0 deletions

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# Installation:
# Get device name using this command: pacmd list-sinks | grep surround
# Remove "pacmd" and add to /etc/pulse/default.pa
# Notes;
# Additional line required for 7.1 instead of 5.1
# Verify right-left mapping for center/lfe device
pacmd load-module module-remap-sink sink_name="Channel12" remix=no master=alsa_output.pci-0000_00_1b.0.analog-surround-51 channels=2 master_channel_map=front-left,front-right channel_map=front-left,front-right sink_properties=device.description="Channel12"
pacmd load-module module-remap-sink sink_name="Channel34" remix=no master=alsa_output.pci-0000_00_1b.0.analog-surround-51 channels=2 master_channel_map=rear-left,rear-right channel_map=front-left,front-right sink_properties=device.description="Channel34"
pacmd load-module module-remap-sink sink_name="Channel56" remix=no master=alsa_output.pci-0000_00_1b.0.analog-surround-51 channels=2 master_channel_map=front-center,lfe channel_map=front-left,front-right sink_properties=device.description="Channel56"

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#!/bin/bash
# change samplerate in /etc/pulse/daemon.conf config to 192000
# verify with:
# less /proc/asound/card1/pcm0p/sub1/hw_params
# get name and card_name using: pacmd list-sinks
id=`pacmd dump | grep -e load.*Kontrol.* | head -n 1 | sed "s/.*device_id=\"//g" | sed "s/\".*//g"`
pacmd load-module module-alsa-card device_id="$id" name="usb-Native_Instruments_Audio_Kontrol_1_SN-SN-2U38Y8KE8O-00-AudioKontrol1.analog-stereo" card_name="alsa_card.usb-Native_Instruments_Audio_Kontrol_1_SN-SN-2U38Y8KE8O-01-AudioKontrol1" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes card_properties="module-udev-detect.discovered=1" sink_properties=device.description=AudioKontrol34
# sink_properties="device.description='Audio Kontrol 3/4'"
# warning: device id might change!!!!
# OLD CODE=
# pacmd load-module module-alsa-card device_id="$id" name="usb-Native_Instruments_Audio_Kontrol_1_SN-SN-2U38Y8KE8O-01-AudioKontrol1" card_name="alsa_card.usb-Native_Instruments_Audio_Kontrol_1_SN-SN-2U38Y8KE8O-01-AudioKontrol1" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes card_properties="module-udev-detect.discovered=1" sink_properties="device.description='Audio Kontrol 3/4'"

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# Makes the subdevices aka channel 1&2 and 3&4 available for alsa applications
pcm_slave.sl12 {
pcm "hw:AudioKontrol1,0,0"
format S24_3BE
channels 2
rate 192000
}
pcm.channel12 {
type plug
slave sl12
#slave.pcm pulse
}
pcm_slave.sl34 {
pcm "hw:AudioKontrol1,0,1"
format S24_3BE
channels 2
rate 192000
}
pcm.channel34 {
type plug
slave sl34
#slave.pcm pulse
}
# create a virtual four-channel device with two sound devices:
# This is in fact two interleaved stereo streams in
# different memory locations, so JACK will complain that it
# cannot get mmap-based access. see below.
pcm.multi {
type multi;
slaves.a.pcm "hw:AudioKontrol1,0,0";
slaves.a.channels 2;
slaves.b.pcm "hw:AudioKontrol1,0,1";
slaves.b.channels 2;
bindings.0.slave a;
bindings.0.channel 0;
bindings.1.slave a;
bindings.1.channel 1;
bindings.2.slave b;
bindings.2.channel 0;
bindings.3.slave b;
bindings.3.channel 1;
}
# JACK will be unhappy if there is no mixer to talk to, so we set
# this to the usb card.
ctl.multi {
type hw;
card AudioKontrol1;
}
# This creates a 4 channel interleaved pcm stream based on
# the multi device. JACK will work with this one.
pcm.ttable {
type route;
slave.pcm "multi";
slave.channels 4;
ttable.0.0 1;
ttable.1.1 1;
ttable.2.2 1;
ttable.3.3 1;
}
# see above.
ctl.ttable {
type hw;
card AudioKontrol1;
}

7
audio/README.MD 100644
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# Scripts to configure audio devices in Linux
## 7.1. Remapping
Remaps a 5.1 surround sound card to 3 individual stereo devices.
## Audio Kontrol 1
How to get the Audio Kontrol 1 by NI to work.