.wav
Example POST usage: $ curl -F "file=@YourWavFile.wav" https://ai.columbari.us/classify/api/standard #> { "amecro": "0.006793206", "blksco2": "0.0011590665", "blujay": "0.9603704", "comrav": "0.0023919304", "nswowl": "0.0014328683" }