TI - Recognition of audio source recording device using Mel frequency cepstral coefficients and recurrent neural networks AU - , V.L.N. AU - SURESH, G. AU - GANGWAR, D.P. AU - PRASAD3, K. AU - BHATTACHARJEE, R.R. SO - Sigma Journal of Engineering and Natural Sciences 2026;44:1572-1586. DO - 10.14744/sigma.2026.2054