config.example.jsonc

// ~/.config/ac/config.json
//
// Created and managed by `ac` commands.
// This file does not exist until you run your first ac command.
//
// From scratch:
//   ac setup output 11 input 0      # creates config.json with device/channel settings
//   ac new my-amp                   # sets "session" key, creates session directory
//
{
  // Audio device index (from `ac devices`)
  "device": 0,

  // Channel indices for playback and capture
  "output_channel": 11,
  "input_channel": 0,

  // Sticky JACK port names — auto-populated during setup when using JACK
  "output_port": null,
  "input_port": null,

  // Audio backend: "jack", "sounddevice", or null (auto-detect)
  "backend": null,

  // Active session name
  // Set by: ac new <name>, ac use <name>
  // Cleared by: ac rm <name> (if it was the active one)
  "session": "my-amp",

  // 0 dBu reference voltage in Vrms (default: sqrt(0.001 * 600))
  "dbu_ref_vrms": 0.77459667,

  // Default sweep range
  "range_start_hz": 20.0,
  "range_stop_hz": 20000.0,

  // Optional: DMM host for remote calibration
  "dmm_host": null,

  // Optional: serial port for GPIO relay control
  "gpio_port": null,

  // ZMQ server settings (for remote operation)
  "server_enabled": false,
  "server_host": "localhost"
}