Update README.md

README.md

@@ -73,4 +73,39 @@ Sound files on this website are free to download for personal or academic (not c
 Sound files and associated metadata are credited as follows: "Watkins Marine Mammal Sound Database, Woods Hole Oceanographic Institution and the New Bedford Whaling Museum."
 Database could be found and downloaded from [here](https://archive.org/details/watkins_202104).
 
-In this database version, the audio archive includes sounds of 32 species: 'Atlantic_Spotted_Dolphin', 'Bearded_Seal', 'Beluga,_White_Whale', 'Bottlenose_Dolphin', 'Bowhead_Whale', 'Clymene_Dolphin', 'Common_Dolphin', 'False_Killer_Whale', 'Fin,_Finback_Whale', 'Frasers_Dolphin', 'Grampus,_Rissos_Dolphin', 'Harp_Seal', 'Humpback_Whale', 'Killer_Whale', 'Leopard_Seal', 'Long-Finned_Pilot_Whale', 'Melon_Headed_Whale', 'Minke_Whale', 'Narwhal', 'Northern_Right_Whale', 'Pantropical_Spotted_Dolphin', 'Ross_Seal', 'Rough-Toothed_Dolphin', 'Short-Finned_Pacific_Pilot_Whale', 'Southern_Right_Whale', 'Sperm_Whale', 'Spinner_Dolphin', 'Striped_Dolphin', 'Walrus', 'Weddell_Seal', 'White-beaked_Dolphin', 'White-sided_Dolphin'.
+In this database version, the audio archive includes sounds of 32 species: 
+
+ - Atlantic_Spotted_Dolphin
+ - Bearded_Seal
+ - Beluga,_White_Whale
+ - Bottlenose_Dolphin
+ - Bowhead_Whale
+ - Clymene_Dolphin
+ - Common_Dolphin
+ - False_Killer_Whale
+ - Fin,_Finback_Whale
+ - Frasers_Dolphin
+ - Grampus,_Rissos_Dolphin
+ - Harp_Seal
+ - Humpback_Whale
+ - Killer_Whale
+ - Leopard_Seal
+ - Long-Finned_Pilot_Whale
+ - Melon_Headed_Whale
+ - Minke_Whale
+ - Narwhal
+ - Northern_Right_Whale
+ - Pantropical_Spotted_Dolphin
+ - Ross_Seal
+ - Rough-Toothed_Dolphin
+ - Short-Finned_Pacific_Pilot_Whale
+ - Southern_Right_Whale
+ - Sperm_Whale
+ - Spinner_Dolphin
+ - Striped_Dolphin
+ - Walrus
+ - Weddell_Seal
+ - White-beaked_Dolphin
+ - White-sided_Dolphin
+
+Since there is no official train/test split, we use 80% of the samples for training (1357) and the rest for testing (340).