====== Autotalk ======
Automatic talkback mute synced with DAW.

<uml>
state IDLE {
  IDLE : Static
  [*] --> Free 
  Free --> Punch : PTT
  Punch --> Free :_PTT
  IDLE --> MANUAL : Mode Button
  Free : Mic ON
  Free : Blue #blue
  Punch : Mic OFF
  Punch : Red
}

state MANUAL {
  MANUAL : Static
  Mute --> Open : PTT
  Open --> Mute : _PTT
  MANUAL --> AUTO : Mode Button
  Mute : Mic OFF
  Mute : Orange
  Open : Mic ON
  Open : Green
}

state AUTO {
  AUTO : When MIDI_STOP > Slow Fade
  AUTO : When MIDI_PLAY > Ping Pong fade
  Stop --> Play : MIDI_PLAY
  Stop --> Rec : MIDI_REC
  Play --> Rec : MIDI_REC
  Play --> Stop : MIDI_STOP
  Rec --> Stop : MIDI_STOP
  Rec --> Play : _MIDI_REC & MIDI_PLAY
  AUTO --> IDLE : Mode Button
  Stop : Mic ON
  Stop : Green
  Play : Mic OFF
  Play : Green
}
</uml>
===== Principle =====
Functional transaction al diagram.
{{drawio>autotalk:autotalk.png}}

Analog mute and schematic and principle:
{{drawio>autotalk:schematic.png}}

===== Functional states =====
{{drawio>autotalk:diagram1.png}}