Changes between Version 2 and Version 3 of mycroft_mark-2

Timestamp:

04/12/20 08:55:21 (4 years ago)

Author:

admin

Comment:

--

mycroft_mark-2

@@ -32 +32 @@
 amp.volume = 30
 }}}
-==== Start using systems ====
+==== Start using systemd ====
 Place a service file in the user directory:
 * nano ~/.config/systemd/user/myadavolume.service
@@ -52 +52 @@
 * systemctl --user enable myadavolume
 * systemctl --user start myadavolume
+
+=== Pulseaudio ===
+The picroft installation does not use pulseaudio for the output of voice and other sound so the general volume control did not work
+==== blacklist the internal bcm2835 sound card ====
+This is for sure totally optional but I did it
+* sudo nano /etc/modprobe.d/alsa-blacklist.conf
+{{{
+blacklist snd_bcm2835
+}}}
+==== force ALSA userspace to use PulseAudio ====
+* sudo nano /etc/asound.conf
+{{{
+# Use PulseAudio by default
+pcm.!default {
+  type pulse
+  fallback "sysdefault"
+  hint {
+    show on
+    description "Default ALSA Output (currently PulseAudio Sound Server)"
+  }
+}
+
+ctl.!default {
+  type pulse
+  fallback "sysdefault"
+}
+}}}
+==== mycroft conf ====
+* sudo nano /etc/mycroft/mycroft.conf
+replace:
+{{{
+   "play_wav_cmdline": "aplay -Dplughw:ArrayUAC10,0 %1",
+   "play_mp3_cmdline": "mpg123 -a plughw:ArrayUAC10,0 %1",
+}}}
+with
+{{{
+   "play_wav_cmdline": "paplay %1",
+   "play_mp3_cmdline": "mpg123 %1",
+}}}
+==== additional setting in default.pa ====
+This enables ducking and is a nice feature that the volume of music playing is turned down while Mycroft speaks instead of stopping the output.
+* sudo nano /etc/pulse/default.pa
+add to the end of the file
+{{{
+unload-module module-suspend-on-idle
+unload-module module-role-cork
+load-module module-role-ducking
+}}}