wolffd@0: % MIRtoolbox
wolffd@0: % Version 1.3.2 19-January-2011
wolffd@0: %
wolffd@0: % A more detailed documentation of each function is available using the
wolffd@0: % help command. For instance, type help miraudio.
wolffd@0: %
wolffd@0: % A complete documentation is available in the downloaded folder and online.
wolffd@0: %			http://www.jyu.fi/music/coe/materials/mirtoolbox
wolffd@0: %
wolffd@0: %BASIC AUDIO OPERATIONS
wolffd@0: % miraudio         - Loads and return waveform
wolffd@0: % mirframe         - Decomposes into successive frames
wolffd@0: % mirsegment       - Decomposes into successive segments
wolffd@0: % mirlength        - Temporal length
wolffd@0: %
wolffd@0: %DATA OUTPUT
wolffd@0: % mirgetdata       - Return result as a Matlab standard structure
wolffd@0: % mirsave          - Save audio and other temporal data into audio files
wolffd@0: % mirexport        - Export the analytical results to a text file
wolffd@0: % mirplay          - Plays audio and other temporal data
wolffd@0: %
wolffd@0: %ANALYTICAL OPERATORS
wolffd@0: % mirspectrum      - FFT spectrum with many post-processing operations
wolffd@0: % mirautocor       - Autocorrelation function
wolffd@0: % mirfilterbank    - Decomposes into channels via a bank of filters
wolffd@0: % mirsum           - Sums the channels of a filterbank
wolffd@0: %
wolffd@0: %DYNAMIC
wolffd@0: % mirrms           - Root mean square energy
wolffd@0: % mirlowenergy     - Number of frames with lower than average energy
wolffd@0: % mirenvelope      - Amplitude envelope (global shape of the waveform)
wolffd@0: % mironsets        - Note onset positions and characteristics
wolffd@0: % mirattacktime    - Duration of note attacks
wolffd@0: % mirattackslope   - Average slope of note attacks
wolffd@0: % mireventdensity  - Average frequency of events
wolffd@0: %
wolffd@0: %RHYTHM
wolffd@0: % mirtempo         - Tempo (in beats per minute)
wolffd@0: % mirfluctuation   - Fluctuation strength (periodicities in each channel)
wolffd@0: % mirbeatspectrum  - Beat spectrum, characterizing the rhythmic content
wolffd@0: % mirpulseclarity  - Rhythmic clarity, i.e., beat strength
wolffd@0: %
wolffd@0: %TIMBRE
wolffd@0: % mirbrightness    - Spectral brightness (high-frequency rate)
wolffd@0: % mirrolloff       - Spectral rolloff (frequency above which is located a 
wolffd@0: %                       certain amount of energy)
wolffd@0: % mirmfcc          - Mel-frequency cepstrum coefficients
wolffd@0: %                       (numerical description of the spectrum envelope)
wolffd@0: % mirinharmonicity - Inharmonicity (partials non-multiple of fundamental)
wolffd@0: % mirroughness     - Roughness (sensory dissonance)
wolffd@0: % mirregularity    - Spectrum irregularity (amplitude variability of 
wolffd@0: %                        successive peaks)
wolffd@0: %
wolffd@0: %PITCH
wolffd@0: % mirpitch         - Pitch frequencies
wolffd@0: % mircepstrum      - Cepstrum representation (showing periodicities)
wolffd@0: % mirmidi          - Attempts a conversion of audio into MIDI
wolffd@0: %
wolffd@0: %TONALITY
wolffd@0: % mirchromagram    - Chromagram (distribution of energy along pitches)
wolffd@0: % mirkeystrength   - Key strengths (probability of key candidates)
wolffd@0: % mirkey           - Best keys and modes (in the 12 tone system)
wolffd@0: % mirkeysom        - Visualizes key strengths with self-organizing map
wolffd@0: % mirmode          - General estimation of mode (major/minor)
wolffd@0: % mirtonalcentroid - Tonal centroid (using circles of fifths and thirds)
wolffd@0: % mirhcdf          - Harmonic Change Detection Function
wolffd@0: %
wolffd@0: %PREDICTIONS
wolffd@0: % miremotion       - Emotion, represented both as classes and dimensions
wolffd@0: %
wolffd@0: %ANALYSIS
wolffd@0: % mirmean          - Returns the mean of any feature
wolffd@0: % mirstd           - Returns the standard deviation of any feature
wolffd@0: % mirstat          - Returns statistics of any feature
wolffd@0: % mirpeaks         - Peaks
wolffd@0: % mirhisto         - Histogram
wolffd@0: % mirentropy       - Entropy
wolffd@0: % mirzerocross     - Sign-changes ratio
wolffd@0: % mircentroid      - Centroid (center of gravity)
wolffd@0: % mirspread        - Spread (non-concentration)
wolffd@0: % mirskewness      - Skewness (lack of symmetry)
wolffd@0: % mirkurtosis      - Kurtosis (peakiness)
wolffd@0: % mirflatness      - Flatness
wolffd@0: %
wolffd@0: %SIMILARITY
wolffd@0: % mirflux          - Flux, i.e., distance between successive frames
wolffd@0: % mirsimatrix      - Similarity matrix
wolffd@0: % mirnovelty       - Novelty score
wolffd@0: % mirdist          - Distance between audio files
wolffd@0: % mirquery         - Query by example
wolffd@0: %
wolffd@0: %OTHER
wolffd@0: % mirclassify      - Classifies audio sequences
wolffd@0: % mircluster       - Clusters segments or frames
wolffd@0: % mirfeatures      - Compute a large range of features
wolffd@0: % mirmap           - Performs statistical mapping
wolffd@0: %
wolffd@0: %MATLAB FUNCTIONS generalized to the MIRtoolbox data
wolffd@0: % +                - Superposes audio files
wolffd@0: % *                - Combines autocor, cepstrum curves
wolffd@0: % corrcoef         - Computes correlation between curves
wolffd@0: %
wolffd@0: %PREFERENCES
wolffd@0: % mirchunklim      - Get or set the chunk size threshold
wolffd@0: % mirwaitbar       - Toggles on/off the display of progress bars
wolffd@0: % mirverbose       - Toggles on/off the display of ongoing operations
wolffd@0: % mirparallel      - Toggles on/off parallel processing