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updated 1 hour ago

Cepstral Liftering of speech by Speech Processing

Spectral smoothing effects of low frequency cepstral liftering on log magnitude spectrum of speech (speech processing, signal processing, gui)

Callbacks_cepstral_liftering_GUI25(f,C,start_path)

[b,BNmag,cell_lifter,stitle,c]=cepstral_liftering_speech(...

[ss]=plot_speech_cursor(x,ss,curr_file,istart,graphicPane...

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updated 1 hour ago

Cepstrum Aliasing by Speech Processing

Estimates the level of aliasing when finite size FFTs for the computation are used (speech processing, signal processing, gui)

Callbacks_cepstrum_aliasing_GUI25(f,C,start_path)

[c1,cell_dif,ncount]=cepstral_aliasing_speech(xin,ss,win,...

[ss]=plot_speech_cursor(x,ss,curr_file,istart,graphicPane...

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updated 1 hour ago

LPC Error by Speech Processing

Shows the (flat spectrum) nature of the LPC error signal for a typical speech frame (voiced speech) (speech processing, signal processing, gui)

Callbacks_lpc_error_GUI25(f,C,start_path)

[A,G,a,r]=autolpc(x,p)

[ss]=plot_speech_cursor(x,ss,istart,fs,L,graphicPanel);

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updated 1 hour ago

LPC Analysis with Varying p by Speech Processing

illustrates the matching behavior of LPC polynomial log magnitude spectrum to log magnitude of STFT (speech processing, signal processing, gui)

Callbacks_lpc_varying_p_GUI25(f,C,start_path)

[R,E,k,alpha,G]=durbin(xf,L,p,wtype)

[ss]=plot_speech_cursor(x,ss,istart,graphicPanel);

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updated 1 hour ago

Narrowband/Wideband Spectra of a Speech Frame by Speech Processing

Compares and contrasts the effects of using either of two different windows (speech processing, signal processing, gui)

Callbacks_NB_WB_spectra_GUI25(f,C,start_path)

NB_WB_spectra_GUI25

[L,win1,win2]=setup_spectra(LWB,LNB,fs,wtype)

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updated 1 hour ago

Spectral and phase magnitude by Speech Processing

Illustrates the impact of Spectral Magnitude and Phase on Long-Time Analysis and Synthesis of Speech (signal processing, gui)

Callbacks_phase_magnitude_GUI25(f,C,start_path)

Callbacks_phase_magnitude_GUI25(f,C,start_path)

[xin,xph,xmagn,xphr,timind]=phase_magnitude(xin,fs)

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updated 1 hour ago

Plot Roots by Speech Processing

Computes and plots the roots of either an LPC polynomial or the resulting set of LSP polynomials (signal processing, gui tools)

(0:(NB-1))/Nfft * fs; end

Callbacks_plot_roots_GUI25(f,C,start_path)

[A,G,a,r]=autolpc(x,p)

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updated 1 hour ago

Vowel Synthesis by Speech Processing

Synthesizes a vowel sound with a pitch frequency that linearly varies from a user-specified one (speech processing, signal processing, gui)

Callbacks_Vowel_Synthesis_GUI25(f,C)

Vowel_Synthesis_GUI25

create_pitch_period_contour.m

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updated 1 hour ago

Windows Comparisons by Speech Processing

computes and compares and contrasts the time and frequency responses of 6 L-point commonly used wind (speech processing, signal processing, gui)

...

Callbacks_windows_GUI25(f,C)

gen_window(WL,M)

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updated 1 hour ago

LPC Vocoder by Speech Processing

Builds an LPC vocoder, i.e., performs LPC analysis and synthesis on a speech file (speech processing, signal processing, gui tools)

Callbacks_lpc_vocoder_GUI25(f,C,start_path)

[A,G,a,r]=autolpc(x,p)

[Afile,Gfile,nframes,excx,exct]=lpc_analysis(xin,ss,es,L,...

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updated 1 hour ago

Cepstrum Computation by Speech Processing

Compares conventional and analytical methods of cepstrum analysis of a finite duration speech frame (speech processing, signal processing, gui)

Callbacks_compute_cepstrum_GUI25(f,C,start_path)

[c,xhat]=compute_cep(bn,L,cepl,FS);

[ss]=plot_speech_cursor(x,ss,curr_file,istart,graphicPane...

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updated 1 hour ago

Autocorrelation Pitch Detector by Speech Processing

Implements a pitch period detection algorithm using modified autocorrelation method (speech processing, signal processing, gui)

Callbacks_ac_pitch_GUI25(f,C,start_path)

ac_pitch_GUI25

b=hpf(n,fl1,fh1,fs,iplot)

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updated 1 hour ago

ADPCM by Speech Processing

Implements an ADPCM coder for waveform coding of speech (speech processing, signal processing, gui)

(0:(NB-1))/Nfft * fs; end

Callbacks_adpcm_GUI25(f,C,start_path)

[P,F,R,T]=pd_spect(s,Fs,Nfft,Nwin)

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updated 1 hour ago

Endpoint Detector by Speech Processing

Analyzes an audio file which contains a period of background signal, and a period of speech (speech processing, signal processing, gui)

Callbacks_endpoint_detector_GUI25(f,C,start_path)

[energy,zerocrossings,nfrm]=analysis(xin,L,R,fs)

endpoint_detector_GUI25

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updated 1 hour ago

Time Domain Features by Speech Processing

Examines the behavior of a set of three time domain, short-time features (speech processing, signal processing, gui)

Callbacks_time_domain_features_GUI25(f,C,start_path)

time_domain_features_GUI25

pathnew_matlab_central.m

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updated 1 hour ago

Mu Law Quantizer by Speech Processing

Illustrates the impact of mu-law companding (compressing and expanding) and quantization of a speech (speech processin, signal processing, gui)

(0:(NB-1))/Nfft * fs; end

Callbacks_mu_law_quantize_GUI25(f,C,start_path)

[P,F,R,T]=pd_spect_U(s,Fs,Nfft,Nwin)

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updated 1 hour ago

Sample rate conversion by Speech Processing

converts the sampling rate of an existing speech or audio file from its current sampling rate (signal processing, gui)

Callbacks_SRC_GUI25(f,C,start_path)

SRC_GUI25

srconv(x,fsin,fsout)

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updated 2 hours ago

Rosenburg Glottal Pulse by Speech Processing

Computes the discrete-time Rosenberg glottal pulse approximation in the time and frequency domains (speech processing, signal processing, gui)

Callbacks_glottal_pulse_GUI25(f,C)

glottal_pulse_GUI25

vowel_ir(fmts,bandwidths,fs)

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updated 2 hours ago

Three Tube Vocal Tract by Speech Processing

This exercise computes the frequency response of a three-tube model of a human vocal tract. (signal processing, speech processing, gui)

Callbacks_Three_Tube_VT_GUI25(f,C)

Three_Tube_VT_gui25

[fr,vm,vmins,vmaxs,v]=three_tube_model_pt2(rG,rL,l1,l2,l3...

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updated 2 hours ago

Waveform Similarity and Overlap Add (WSOLA) for Speech and Audio by Speech Processing

implements the WSOLA method of Verhelst and Roelands for for High Quality Time-Scaled speech (speech processing, signal processing, gui)

Callbacks_WSOLA_GUI25(f,C,start_path)

WSOLA_GUI25

[y,yn]=record_speech(fs,nsec)

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updated 2 hours ago

Log Harmonic Product Spectrum by Speech Processing

Plots a sequence of frames of both HPS and LHPS (speech processing, signal processing, gui)

Callbacks_log_harmonic_GUI25(f,C,start_path)

[ss]=plot_speech_cursor(x,ss,curr_file,istart,graphicPane...

b=hpf(n,fl1,fh1,fs,iplot)

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updated 2 hours ago

Formant Estimation by Speech Processing

Illustrates an algorithm for estimating the locations of the formants of voiced speech intervals (speech processing, signal processing, gui)

Callbacks_formant_estimation_GUI25(f,C,start_path)

[A,G,a,r]=autolpc(x,p)

[Fmc,startsav,endsav]=extend_runs(nrun,startsav,endsav,nf...

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updated 2 hours ago

Isolated Digits Record by Speech Processing

Implements a speaker trained, template-based, isolated digit recognizer (speech processing, signal processing, gui)

Callbacks_dtw_isolated_digits_GUI25(f,C)

[distance,paths,distances]=dtw_backtrack_dist(cref,nref,c...

[y,fs,bits,fmt]=loadwav(name)

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updated 3 hours ago

Composite Vocal Tract by Speech Processing

Illustrates vocal tract response, glottal pulse, radiation response for voiced and unvoiced speech (speech processing, signal processing, gui)

Callbacks_composite_vocal_tract_GUI25(f,C)

[peakl,peakh]=findpeak(vm,f,peak,bwlevel)

composite_vocal_tract_GUI25

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updated 3 hours ago

Filter Signal by Speech Processing

Design a filter where an existing speech or audio signal using user-designed LPF, HPF or BPF (speech processing, signal processing, gui)

Callbacks_filter_GUI25(f,C,start_path)

Dinfinity( deltap,deltas )

fK( deltap,deltas )

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updated 3 hours ago

Ideal Vocal Tract by Speech Processing

Illustrates effect of using periodic excitation for glottal input signal on a set of speech frames (speech processing, signal processing, gui)

Callbacks_ideal_vocal_tract_GUI25(f,C)

ideal_vocal_tract_GUI25

pathnew_matlab_central.m

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updated 2 days ago

2D Fourier Transform of a cosine pulse using MATLAB inbuilt 2D FFT2 function. by Sathyanarayan Rao

Two dimensional cosine pulse and its Fourier transform is computed and visualized. (2d fft, 2d fourier transform, single sided frequenc...)

cosine_2d.m

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updated 3 days ago

Permutation Conditional Mutual Information (PCMI) by Gaoxiang Ouyang

Estimation of a directionality index between two time series (conditional mutual in..., directionality index, information flow)

CMI_PE_tau(X,Y,ord,t,Tau)

PCMI_demo.m

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updated 4 days ago

Uncoded and Turbo Coded OFDM by Ashish Meshram (Meet)

This submission implements Uncoded and Turbo Coded OFDM (ofdm, turbo encoder, turbo decoder)

AddCyclicPrefix(x,N)

Bits2Symbol(x,modtype)

CommChannel(data,chantype,M,EbNo,param)

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updated 4 days ago

RegularizeData3D by Jamal

Produces a smooth surface from scattered 3D input data. (3d data, regularizing, approximation)

RegularizeData3D(x,y,z,xnodes,ynodes,varargin)

TestRegularizeData3D_Bicubic_vs_Bilinear.m

TestRegularizeData3D_Coarse_v_Fine_Output_Grids.m

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updated 4 days ago

Sound analysis with Matlab Implementation by Hristo Zhivomirov

Time and frequency analysis, measurement of the crest factor, the dynamic range, etc. (signal processing, measurement, sound analisys)

Sound_Analysis.m

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updated 14 days ago

RViewer by Tony Davis

Image Viewer with Interpolation on Zoom, Multiple Sync (image, display, interpolation)

rview

rviewer

Contents.m

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updated 17 days ago

A finite cosine wavetrain and its Fourier transform by Sathyanarayan Rao

This code computes frequency spectrum of a finite cosine wavetrain using MATLAB FFT function. (fft, axis scaling for fft, cosine wavetrain)

wave_train.m

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updated 17 days ago

Flexible and Fast Spike Raster Plotting by Jeffrey Chiou

Plots spike rasters from spike times or binary trains. Faster than most implementations. (biotech, data exploration, neuroscience)

plotSpikeRaster(spikes,varargin)

testSpikeRasterPlotting.m

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updated 21 days ago

signal stationner et non stationnaire by abdelilah Douche

signal (signal processing, stationnairefenetre)

tp1Exp.m

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updated 21 days ago

Link variable from MatFile object by Mitchell

Links partial or entire variable from a MatFile object to pass as object (matlab, matfile, save)

matlinkvar

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updated 25 days ago

Active geometric shape models by Quan Wang

The active geometric shape model is a novel approach for fitting a geometric shape in images. (image processing, mathematics, optimization)

AGSM Canvas

DD=myspline(D,theta)

GI=gaussianBlur(I,s)

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updated 30 days ago

Wiener Filter for noise cancellation by Alex Dytso

Example of how to implement wiener filter for noise canellation (signal processing, digital filters, wiener filter)

Project

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updated 1 month ago

Feature Mutual Information (FMI) Image Fusion Metric by Mohammad Haghighat

A non-reference image fusion metric based on mutual information of image features (image fusion, metric, image fusion metric)

fmi(ima, imb, imf, feature, w)

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updated 1 month ago

Matlab Audio Analysis Library by Theodoros Giannakopoulos

Companion material for the book "Introduction to Audio Analysis, A MATLAB approach" (audio analysis, signal processing, audio classification)

...

...

...

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updated 1 month ago

Fast Gradient Vector Flow (GVF) by Quan Wang

This package implements the Gradient Vector Flow (GVF) in C++/MEX. (image processing, image segmentation, pattern recognition)

GI=gaussianBlur(I,s)

demo.m

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updated 1 month ago

Positive-Definite Matrix by Muhammad Asim Mubeen

This function returns a positive-definite symmetric matrix. (matrix, matrices, nonlinear)

Spd_Mat(A)

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updated 1 month ago

Points and Tangents by Marcelo Cicconet

Returns a list of pixels with tangents and corresponding magnitudes. (morlet, wavelet, edges)

ang(cx,sx)

coefficientslist(I,nangs,stretch,scale,hopsize,halfwindow...

coefficientsmatrix(I,nangs,stretch,scale,hopsize,halfwind...

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updated 1 month ago

interp1gap 1D interpolation over small x gaps by Chad Greene

Interpolate over small gaps in x, but not over large gaps in x. (interpolation, interp1)

interp1gap(x,v,xq,maxgapval,varargin)

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updated 1 month ago

Date Vector/Number to ISO 8601 Date String by Stephen Cobeldick

Convert a Date Vector/Number to an ISO 8601 Date String. Tokens control the date/time notation. (date, timestamp, datevec)

datestr8601(DVN,varargin)

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updated 1 month ago

ISO 8601 Date String to Serial Date Number by Stephen Cobeldick

Convert an ISO 8601 Date String to Serial Date Numbers. Auto-detect or select timestamp style. (calendar date, date, datenum)

datenum8601(Str,Tok)

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updated 1 month ago

Embedded Coder Support Package for Texas Instruments C2000 Processors by MathWorks Embedded Coder Team

Embedded Coder Support Package installer file that works with Support package installer (aerospace, automotive, communications)

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updated 1 month ago

fft_split.m Split the FFT of two real sequences by Patrick Fleischmann

splits the output X of an fft of two real sequences x1+ix2 into the ffts of the two sequences X1,X2 (signal processing, fft, embedded code)

fft_split(X)

fft_split_tb.m

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updated 1 month ago

Dynamic Time Warping (DTW) by Quan Wang

This package implements Dynamic Time Warping (DTW). (signal processing, machine learning, time series)

d=dtw(s,t,w)

demo_dtw.m

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updated 1 month ago

Linear Algebra Package by Brian Moore

Implements many common linear algebra functions in completely self-contained MATLAB code. (linear algebra, numerical analysis, matrix theory)

myArnoldi(mat,varargin)

myCholesky(mat,varargin)

myCompanionMatrix(c)

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