Up: MATLAB, DSP, Graphics Module No: CM0268

CM0268 Support Material and Lecture/Tutorial/Lab Class Code Examples

Lecture Demos Code

Lecture 1+2: MATLAB Basics, Matrices, Arrays and Vectors
- seashell.m (Link to MATLAB PRIMER Book Source)
- shading.m (Reference: Taken from Graphics and GUIs with MATLAB Book)
- eyeplot.m (Download support media here)
- eyeavi.m Example to set camera positions and create a movie (Download support media here)
- audiodemo.m Simple Demo to read, plot and play a wav file.
- playsound.m Matlab funtion to play an input wav file
- imagedemo.m Simple demo to read and display an image. Sample image file to use: parrots.jpg
- videodemo.m Simple demo to read and play an AVI video file. Sample video file to use: origdave.avi
- mmreaderdemo.m Simple demo to read and play a video using mmreader. Sample video file to use: origdave.avi Bug and workaround for mmreader on Mac OS X 10.6 Snow Leopard
- Zip file of all Lecture 1 Code and data files
Lecture 3: MATLAB Functions, Graphics and GUIs
Lecture 4: MATLAB GUIs
Lecture 4/5: Basic MATLAB Digital Signal Processing and Audio
- DAFX figure Simple Digital Audio Signal Processing Pipeline Demo.
- nyquist_aliasdemo.m Nyquist Sampling Theorem Demo --- low frequency example (Easy to see plots in Matlab)
- nyquist_aliasaudiodemo.m Nyquist Sampling Theorem Demo --- higher frequency example (Easy to see Hear effect in Matlab)
- mysin.m Sin wave Creation utility function used below (and later)
- sinampdemo.m Demo to show change in amplitude in a sin wave
- sinfreqdemo.m Demo to show change in frequency in a sin wave
- sinphasedemo.m Demo to show change in phase in a sin wave
- waveforms.m Example Program to show creation of a variety of waveforms - sin, cos, square, sawtooth, triangular.
- response.m Impulse and Frequency Response Demo
- ztransform_demoZ-transform Demo (Requires MATLAB Symbolic Toolbox)
- IIRdemo.m IIR Filter Demo
- Zipped Files
Lecture 5/6:Frequency Space Signal Processing (Fourier Transform)
- fourierspectraeg.m Fourier Spectra Demo
- fourierspectraeg.m Fourier Spectrogram Demo
- lowpass.m Ideal Low Pass Filtering Demo 1 (Simple Image)
- lowpass2.m Ideal Low Pass Filtering Demo 2 (Text Image)
- butterworth.m Butterworth Low/High Pass Filtering Demo 1 (Simple Image)
- butterworth2.m Butterworth Low/High Pass Filtering Demo 2 (Text Image)
- deconv.m Image Deconvolution Demo 1 (Simple Image)
- deconv2.m Image Deconvolution Demo 1 (Test Image)
- Zipped Files
Lecture 6: Digital Audio Effects
- Sample Audio
  - acoustic.wav Original Audio File Used in all examples below.
- Shelving Filter
  - shelving.m Shelving Filter Function
  - shelving_eg.m Shelving Filter Demo
  - out_bassshelf.wav Example Bass Shelf filtered output
  - out_treblehelf.wav Example Treble Shelf filtered output
- Time Varying Filters
  - Wah-Wah
    - wah_wah.m wah-wah demo
    - out_wah.wav Example wah-wah output
- Delay Based Effects
  - Comb Filter
    - fircomb.m FIR comb filter implementation
    - iircomb.m IIR comb filter implementation
    - unicomb.m Universal comb filter implementation
  - Vibrato
    - vibrato.m Vibrato MATLAB function
    - vibrato_eg.m Vibrato demo.
    - out_vibrato.wav Example vibrato output
  - Flanger
    - flanger.m Flanger Example
    - out_flanger.wav Example flanger output
- Modulation Based Effects
  - Ring Modulation
    - ring_mod.m Ring modulation demo
    - out_ringmod.wav Example ring mod. output
    - twosine_ringmod.wav Example "Two Sin Waves" ring mod. output
    - ring_mod_IlikeMM.m Ring modulation "Robotic Talking" demo
    - IlikeMM.wav Input Audio
    - IlikeMM_ringmod.wav Example "Robotic Talking" ring mod. output
  - Tremolo (Amplitude Modulation)
    - tremolo1.m Tremolo demo
    - out_tremolo1.wav Example tremolo (AM) output
  - Tremolo (Ring Modulation with triangular wave)
    - tremolo2.m Tremolo demo
    - out_tremolo1.wav Example tremolo (RM) output
- Non-linear Effects
  - Limiter
    - limiter.m Limiter demo
  - Compressor/Expander
    - compexp.m Compressor/expander function
    - compression_eg.m Compressor/expander example
    - out_compression.wav Example compressor output
    - out_expander.wav Example expander output
  - Overdrive, Distortion and Fuzz
    - symclip.m symmetrical soft clip function used in overdrive_eg.m
    - overdrive_eg.m Overdrive example
    - out_overdrive.wav Example overdrive output
    - fuzzexp.m Distortion/fuzz non-linear gain function used in fuzz_eg.m
    - fuzz_eg.m Distortion/fuzz example
    - out_fuzz.wav
- Reverb/Spatial Effects
  - Stereo Panning
    - matpan.m Stereo panning example
    - out_stereopan.wav Example stereo panning output
  - Reverb
    - Schroeder's Reverberator
      - Files used by schroeder1.m, schroeder2.m and schroeder3.m
        
        delay.m
        seriescoefficients.m
        parallelcoefficients.m
        fbcomb.m
        ffcomb.m
        lpcomb.m
        allpass.m
      - schroeder1.m n all pass filter version of Schroeder's reverberator
      - reverb_schroeder_eg.m Schroeder's reverberator example
      - out_schroederreverb.wav Example Schroeder's reverberator output
      - schroeder2.m classic 4 comb and 2 allpass filter Schroeder Reverb
      - schroeder3.m 4 parallel comb filters in series with 2 cascaded allpass filters
    - Moorer's Reverberator
      - moorer.m Moorer's reverberator function
      - reverb_moorer_eg.m Moorer's reverberator example
      - out_moorerreverb.wav Example Moorer's reverberator output
    - Convolution Reverb
      - fconv.m Convolution reverb function
      - reverb_convolution_eg.m
      - Example Impulse Repsonses to use with reverb_convolution_eg.m
        
        impulse_MM.wav
        impulse_bathroom.wav
        impulse_cathedral.wav
        impulse_mandolin.wav
        impulse_rasp.aif
        impulse_revcathedral.wav
        impulse_revroom.wav
        impulse_room.wav
        impulse_yeha.wav
      - Example outputs
        
        out_IRreverb.wav_MM
        out_IRreverb_cathedral.wav
        out_IRreverb_mandolin.wav
        out_IRreverb_revcathedral.wav
        out_IRreverb_revroom.wav
        out_IRreverb_room.wav
- Zipped Files
More In Preparation

Up: MATLAB, DSP, Graphics Module No: CM0268