// buffer_size = <number>; // Use this optional advanced setting to set the alsa buffer size near to this value
// use_mmap_if_available = "yes"; // Use this optional advanced setting to control whether MMAP-based output is used to communicate with the DAC. Default is "yes"
// use_hardware_mute_if_available = "no"; // Use this optional advanced setting to control whether the hardware in the DAC is used for muting. Default is "no", for compatibility with other audio players.
+// maximum_interface_response_time = 0.001; // Use this optional advanced setting to control how long a response should be waited for on the interface between Shairport Sync and the ALSA subsystem.
+// maximum_write_time = 0.015; // Use this optional advanced setting to control how long it should take to write audio data to the ALSA subsystem.
};
// Parameters for the "sndio" audio back end. All are optional.