00932caa a2200181 4500 210629s9999 xx 000 0 und d 2229-5518 Apoorva A, ALGORITHMS FOR THE ENHANCEMENT OFSPEECH SIGNAL RECORDED IN ADVERSE CONDIT IONS 2016 1018-1023 Volume 7 Issue 7 The performance of a system can have negative effect by the influence of ecological noise, speech distortions, noise induced by microphones, limited frequency bandwidth etc. In this paper various noise reduction algorith ms are studied and implemented in MATLAB and performance of each algorithm is evaluated on the basis of SNR. Adaptive Spectral subtraction, Kalman , Noise reduction, NLMS , RLS, SNR, Spectral Subtraction Ajish K. Abraham International Journal for Scientific & Engineering Research FJAS FJAS 17835 17835