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updated 10 days 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

ideal_vocal_tract_GUI25

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updated 14 days 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 )

Filter Signal

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updated 23 days 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)

Composite Vocal Tract

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

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updated 23 days 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)

Isolated Digit Speech Recognizer

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

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updated 1 month 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)

Formant Estimation

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updated 1 month 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)

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

Log Harmonic

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updated 1 month 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)

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

[youts,youtn]=wsola_analysis(y,fs,alpha,nleng,nshift,wtyp...

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updated 1 month 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 Vocal Tract

Three_Tube_VT_gui25

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updated 1 month 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

Rosenberg Glottal Pulse

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updated 1 month 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)

Sample Rate Conversion

SRC_GUI25

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updated 1 month 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

Mu-law Quantizer

Callbacks_mu_law_quantize_GUI25(f,C,start_path)

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updated 1 month 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 of Speech

time_domain_features_GUI25

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updated 1 month 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 month ago

ADPCM by Speech Processing

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

ADPCM

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

Callbacks_adpcm_GUI25(f,C,start_path)

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updated 1 month ago

Autocorrelation Pitch Detector by Speech Processing

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

ac_pitch_GUI25

Autocorrelation Pitch

Callbacks_ac_pitch_GUI25(f,C,start_path)

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updated 1 month 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)

Cepstrum Computation

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

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updated 2 months 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 2 months 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

Vowel_Synthesis_GUI25

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updated 3 months 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)

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

phase_magnitude_GUI25

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updated 3 months 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)

NarrowbandWideBand

NB_WB_spectra_GUI25

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updated 3 months 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)

LPC Analysis with Varying Order

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updated 3 months 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)

[x,xs1,error,es,xs2]=lpc_analysis_covariance(xin,ss,L,p,n...

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updated 3 months 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,...

Cepstrum Aliasing

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updated 3 months 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)

Cepstral Liftering

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

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updated 3 months ago

Volumetric Data Explorer by Adam Filion

App for exploring higher dimensional data using volumetric visualizations and animation. (app, gui, visualization)

Data Explorer

calculatePixelSizes( availableSize, sizes, minSizes, padd...

callCallback( callback, varargin )

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updated 1 year ago

AutoTune Toy by Carl

Allows you to record and graphically manipulate and pitch correct your voice. (pitch correction, signal processing, gui)

AutoTune Toy

AutoTuneToy(varargin)

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updated 1 year ago

Waveform Generator GUI by Maxim Vedenyov

Generate waveformed signal and play it. Interactive GUI with movable datapoints. (waveform, gui, signal processing)

Waveform Generator GUI

bdf(ha,hfl,uf)

hfl=create_marker(ha,x,y,r,c,uf,no)

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updated 1 year ago

Mth Order Piecewise Spline Interpolation by Husam Aldahiyat

A GUI that plots and gives equations for variable order intermediate splines. (splines, general, gui)

gsp()

Mth Order Piecewise Spline Interpolation

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