'dog' => 0
'chirping_birds' => 1
'vacuum_cleaner' => 2
'thunderstorm' => 3
'door_wood_knock' => 4
'can_opening' => 5
'crow' => 6
'clapping' => 7
'fireworks' => 8
'chainsaw' => 9
'airplane' => 10
'mouse_click' => 11
'pouring_water' => 12
'train' => 13
'sheep' => 14
'water_drops' => 15
'church_bells' => 16
'clock_alarm' => 17
'keyboard_typing' => 18
'wind' => 19
'footsteps' => 20
'frog' => 21
'cow' => 22
'brushing_teeth' => 23
'car_horn' => 24
'crackling_fire' => 25
'helicopter' => 26
'drinking_sipping' => 27
'rain' => 28
'insects' => 29
'laughing' => 30
'hen' => 31
'engine' => 32
'breathing' => 33
'crying_baby' => 34
'hand_saw' => 35
'coughing' => 36
'glass_breaking' => 37
'snoring' => 38
'toilet_flush' => 39
'pig' => 40
'washing_machine' => 41
'clock_tick' => 42
'sneezing' => 43
'rooster' => 44
'sea_waves' => 45
'siren' => 46
'cat' => 47
'door_wood_creaks' => 48
'crickets' => 49
================
'starting_index' => 0