radio-observer.json

{
	"logging": [
		{
			"file_name": "radio-observer.log",
			"log_level": "debug",
		},
		{
			"file_name": "-", // "-" stands for standard error output
			"log_level": "warning",
		},
	],
	
	"jack_left_port":  "system:capture_1",      //  JACKd inputs
	"jack_right_port": "system:capture_2",
	
	"configuration": "default",         // name of configuration which will be selected from following list
	
	"configurations": [
		{
			"key":     "default",       //  configuration identifier
			"factory": "pipeline",
			
			"children": [
				{
					"key":     "backend",
					"factory": "waterfall", // waterfall data will be processed
					
					"bins":    32768,       // number of bins used in FFT calculation
					"overlap": 24576,       // number of ovelaping samples from previous FFT window

					
					// Chunk size of the FFT buffer - this changes the size of the
					// largest continuous block of memory allocated by the backend.
					// Try a smaller value if the program crashes with memory allocation
					// exception.
					// 1048576 = 1024 * 1024
					"buffer_chunk_size": 1048576, 
					
					"origin": "debug",      // name of detection station 
					
					"iq_gain":        0,    // I/Q correction paremeters currently have not effect
					"iq_phase_shift": 0,
					
					"metadata_path":  "./data", // path to metadata output directory
					"children": [
						{
							"key":     "recorder",      // indentification of method which will procces FFT output
							"factory": "snapshot",      // method which creates continuous snapshots in eqidistant intervals

							"output_dir": ".",          // absolute path  to data output directory
							"output_type": "snap",      // data output idetifier (this string will be used in file name)
							
							"snapshot_length": 60,      // length of snapshot in seconds. 
							// The following two values define the low (leftmost) and
							// hight (rightmost) frequency in Hz of the recorded FFT
							// data.
							"low_freq":      10100,
							"hi_freq":       11000,
						},
						{
							"key":     "recorder",      // identification of meteor detector recording.
							"factory": "bolid",
							
							"output_dir": "./snapshots", // absolute path  to data output directory
							"output_type":       "snap", // data output idetifier (this string will be used in file name)
							"advance_time":           2, // (seconds) time interval of data recorded before detection is triggered
							// (seconds) Two signals must be separated by at least this
							// amount of seconds in order to be considered two different
							// bolids.
							"jitter_time":            5,							
							
							// The following two values define the low (leftmost) and
							// hight (rightmost) frequency in Hz of the recorded FFT
							// data.
							"low_freq":         9000,
							"hi_freq":         12000,
							
							"low_detect_freq": 10300,   // (Hz) low  frequency meteor detection border
							"hi_detect_freq":  10900,   // (Hz) high frequency meteor detection border (in spectrogram)
							"low_noise_freq":   9000,   // (Hz) low border for spectral frequency intensity reference
							"hi_noise_freq":    9600,   // (Hz) high border for spectral frequency intensity reference
							
							// time interval between noise entries in the metadata
							// file (seconds), default is 1 hour (3600 seconds)
							"noise_metadata_time": 3600,
						},
					],
				},
			],
		},
	],
}