Differences

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--- infrastructure:audio-setup [2026/03/31 03:00] – add audio mixer into graph diamond
+++ infrastructure:audio-setup [2026/04/23 06:28] (current) – diamond
@@ Line 3: / Line 3: @@
 ## Quick Start
-- To use the Android TV, switch the AV Receiver on and to `DVD / HDMI 1`.
+- Make sure the AV Receiver is on. It usually is. Make sure its source is set to `CD-R`.
-  - Make sure the HDMI indicator on the AV Receiver is on and blue.
+- To use the Android TV:
-  - Make sure the TV input is set to `HDMI 1`.
+  - Make sure the onn Box is on: if the LED in front of it is red, then it's off. Find its remote and turn it on.
-- To use Bluetooth, switch the AV Receiver on and to `CD-R`. See [Connecting to Bluetooth](#connecting_to_bluetooth) for details.
+  - You can also optionally turn on the TV. Make sure it's set to HDMI 1.
-- To use the media desk, switch the AV Receiver on and to `CD`.
+- To use Bluetooth, see [Connecting to Bluetooth](#connecting_to_bluetooth).
-- To use the rally bar, switch the TV to `HDMI 2`. Audio will go through the rally bar directly.
+- To use the media desk:
-  - Please change it back to `HDMI 1` after the meeting.
+  - The mixer on the media desk should already be wired to the audio mixer.
+- To use the rally bar:
+  - Use the in-built speakers. The rally bar is not wired up to the AV system.
 ### Connecting to Bluetooth
@@ Line 62: / Line 64: @@
     pc -> rally_bar [label="HDMI In"];
     rally_bar -> tv [label="HDMI 2"];
-    onn_box -> hdmi_splitter;
+    onn_box -> hdmi_splitter [label="HDMI"];
-    hdmi_splitter -> audio_mixer;
+    hdmi_splitter -> audio_mixer [label="RCA"];
     hdmi_splitter -> tv [label="HDMI 1"];
-    audio_mixer -> av_receiver ["CD-R"];
+    audio_mixer -> av_receiver [label="RCA, CD-R"];
-    bluetooth -> audio_mixer;
+    bluetooth -> audio_mixer [label="RCA"];
-    media_desk -> audio_mixer;
+    media_desk -> audio_mixer [label="RCA"];
     av_receiver -> sub_amp [label="RCA, SW"];
     sub_amp -> jeremy_sub [label="Amplified"];
@@ Line 74: / Line 76: @@
     small_sub -> front_speaker_r [label="Amplified"];
   }
 </graphviz>
 ```