/home/ubuntu/workspace/mfcc.js:18
var mfcc = MFCC.construct(32, // Number of expected FFT magnitudes
^
TypeError: MFCC.construct is not a function
at Object.<anonymous> (/home/ubuntu/workspace/mfcc.js:18:17)
at Module._compile (module.js:409:26)
at Object.Module._extensions..js (module.js:416:10)
at Module.load (module.js:343:32)
at Function.Module._load (module.js:300:12)
at Function.Module.runMain (module.js:441:10)
at startup (node.js:139:18)
at node.js:968:3