Ideal Binary Mask by Kamil Wojcicki

Applies ideal binary mask to noise corrupted speech signal within an STFT framework. (signal processing, ideal binary mask, ibm)

addnoise( signal, noise, snr )

frames2vec( frames, Ns, direction, window, synthesis )

idbm( x, s, fs, Tw, Ts, LC )

HTK MFCC MATLAB by Kamil Wojcicki

Mel frequency cepstral coefficient feature extraction that closely matches that of HTK's HCopy. (cepstral ceofficients, mfcc, mel frequency cepstra...)

[d,fp,dt,tc,t]=readhtk(file)

cell2file( list, file )

mfcc( speech, fs, Tw, Ts, alpha, window, R, M, N, L )

Analysis Modification Synthesis by Kamil Wojcicki

Short-time Fourier analysis-modification-synthesis (AMS) framework for speech processing. (signal processing, speech processing, analysis modification...)

ams(s, fs, Tw, Ts, stype)

myspectrogram(s, fs, T, w, nfft, Slim, alpha, cmap, cbar, t...

test_ams.m

Acoustic source localization using SRP-PHAT by Hoang Do

This function locates a single source using a frame of data and M microphones. (source localization, srpphat, microphone array)

[finalpos,finalsrp,finalfe]=srplems(s, mic_loc, fs, lsb, us...

A/B comparison listening test script by Evan Ruzanski

This script M file automates and manages a double-blind AB comparison test. (subjective analysis, listening test, speech processing)

comparison.m

Mean Opinion Score (MOS) test script by Evan Ruzanski

Script to automate ITU 5-grade Mean Opinion Score (MOS) test. (mean opinion score, mos, listening test)

mos.m

Short-time Energy and Zero Crossing Rate by Nabin S Sharma

Compute the short time energy (STE) and short-time zero crossing rate (STZCR) of a signal. (shorttime energy, shorttime zero crossi..., signal processing)

energy(x,wintype,winamp,winlen)

sgn(x)

winconv(x,varargin)

Convert Reflection Coefficients into Prediction Coefficients. by Nabin S Sharma

Convert reflection coefficients into linear prediction coefficients using Levinson recursion. (signal processing, speech processing, linear prediction)

rc2lpc(K,varargin)

fminconSym by Yi Cao

A wrap of fmincon to get gradient (symbolic gradient, nonlinear optimizatio..., optimization)

[v1,v2,v3,v4,v5,v6,v7]=fminconSym(fun,x0,A,B,Aeq,Beq,LB,UB,...

bananaobj(x)

fminconSym_example.m

Noise Reduction GUI using Low Pass Filter by Kundan

Its a Matlab GUI for reduction of Noise in Human Voise using a custom designed Chebyshev FIR filter. (audio processing, noise reduction, fir filter)

untitled3(varargin)

Vector Quantization - K-Means by Esfandiar Zavarehei

A simple algorithm for training codebooks for vector quantizationusing K-Means algorithm. (cluste, vector quantization, kmeans)

[m, p, DistHist]=vqsplit(X,L)

MMSE STSA by Esfandiar Zavarehei

Ephraim's MMSE STSA Speech Enhancemnet method with decision directed method. (audio processing, video processing, speech enhancement)

output=MMSESTSA84(signal,fs,IS)

formant_loc.m by Evan Ruzanski

Finds formant locations of acoutsic tube model given area and length parameters. (audio processing, video processing, digital speech proces...)

formant_loc(A,L)