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Quantizer Characteristic
This exercisedemonstartes quantizing speech using uniform and a logarithmic (mu-law) quantizer.
circa 11 anni fa | 750 download |
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Plot Roots
Computes and plots the roots of either an LPC polynomial or the resulting set of LSP polynomials
circa 11 anni fa | 768 download |
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SIFT Pitch Detector
This exercise designs and implements a pitch period detector based on detecting and tracking peaks.
circa 11 anni fa | 2694 download |
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Play Pitch Period Contour
The exercise tries to separate the main properties of speech excitation function from vocal tract.
circa 11 anni fa | 1568 download |
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Spectral and phase magnitude
Illustrates the impact of Spectral Magnitude and Phase on Long-Time Analysis and Synthesis of Speech
circa 11 anni fa | 1014 download |
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Overlap Add Windows
This exercise verifies the windows sampling property is valid for a range of windows.
circa 11 anni fa | 930 download |
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Narrowband/Wideband Spectra of a Speech Frame
Compares and contrasts the effects of using either of two different windows
circa 11 anni fa | 1091 download |
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Mu Law Compander
This exercise shows the mu-law input-output characteristic for a range of values of mu from 1 to 500
circa 11 anni fa | 1216 download |
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Mu Law Quantizer
Illustrates the impact of mu-law companding (compressing and expanding) and quantization of a speech
circa 11 anni fa | 1298 download |
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LSP roots
This exercise compares the properties of the LPC polynomial match to a frame of speech with the LSP.
circa 11 anni fa | 781 download |
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LPC Vocoder
Builds an LPC vocoder, i.e., performs LPC analysis and synthesis on a speech file
circa 11 anni fa | 3430 download |
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LPC Analysis with Varying p
illustrates the matching behavior of LPC polynomial log magnitude spectrum to log magnitude of STFT
circa 11 anni fa | 936 download |
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lpc varying L
This exercise shows the matching behavior of the LPC polynomial log magnitude spectrum of the STFT.
circa 11 anni fa | 706 download |
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lpc frame
This exercise shows how the method of linear predictive coding (LPC) models a speech frame.
circa 11 anni fa | 1430 download |
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LPC Error Synthesis
This MATLAB exercise performs LPC analysis and synthesis on a speech file.
circa 11 anni fa | 1185 download |
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LPC Error
Shows the (flat spectrum) nature of the LPC error signal for a typical speech frame (voiced speech)
circa 11 anni fa | 1254 download |
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Ideal Vocal Tract
Illustrates effect of using periodic excitation for glottal input signal on a set of speech frames
circa 11 anni fa | 1382 download |
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Rosenburg Glottal Pulse
Computes the discrete-time Rosenberg glottal pulse approximation in the time and frequency domains
circa 11 anni fa | 1277 download |
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Formant Estimation
Illustrates an algorithm for estimating the locations of the formants of voiced speech intervals
circa 11 anni fa | 2443 download |
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Endpoint Detector
Analyzes an audio file which contains a period of background signal, and a period of speech
circa 11 anni fa | 3064 download |
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Cepstrum Computation
Compares conventional and analytical methods of cepstrum analysis of a finite duration speech frame
circa 11 anni fa | 1112 download |
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Cepstrum Aliasing
Estimates the level of aliasing when finite size FFTs for the computation are used
circa 11 anni fa | 826 download |
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Cepstral Pitch
This exercise implements a pitch period detector based on detecting and tracking peaks in speech.
circa 11 anni fa | 1643 download |
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Cepstral Waterfall
This exercise introduces the concept of creating “Waterfall Plots” of frame-by-frame cepstrums.
circa 11 anni fa | 916 download |
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Cepstral Liftering of speech
Spectral smoothing effects of low frequency cepstral liftering on log magnitude spectrum of speech
circa 11 anni fa | 1900 download |
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Autocorrelation estimates
This MATLAB exercise computes four types of short-time autocorrelation of a speech analysis frame.
circa 11 anni fa | 2000 download |
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AGC
This exercise designs an automatic gain control (AGC) system for speech companding.
circa 11 anni fa | 1074 download |
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Autocorrelation Pitch Detector
Implements a pitch period detection algorithm using modified autocorrelation method
circa 11 anni fa | 3402 download |
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pathnew_matlab_central
sets path variable to load folders from list prior to loading matlab folders
circa 12 anni fa | 716 download |
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GUI_LITE_26.zip
This zip file contains the m scripts runGUI for creation and editing of GUI LITE files.
circa 12 anni fa | 1579 download |