comparison toolboxes/MIRtoolbox1.3.2/MIRToolbox/Contents.m @ 0:e9a9cd732c1e tip

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date Tue, 10 Feb 2015 15:05:51 +0000
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1 % MIRtoolbox
2 % Version 1.3.2 19-January-2011
3 %
4 % A more detailed documentation of each function is available using the
5 % help command. For instance, type help miraudio.
6 %
7 % A complete documentation is available in the downloaded folder and online.
8 % http://www.jyu.fi/music/coe/materials/mirtoolbox
9 %
10 %BASIC AUDIO OPERATIONS
11 % miraudio - Loads and return waveform
12 % mirframe - Decomposes into successive frames
13 % mirsegment - Decomposes into successive segments
14 % mirlength - Temporal length
15 %
16 %DATA OUTPUT
17 % mirgetdata - Return result as a Matlab standard structure
18 % mirsave - Save audio and other temporal data into audio files
19 % mirexport - Export the analytical results to a text file
20 % mirplay - Plays audio and other temporal data
21 %
22 %ANALYTICAL OPERATORS
23 % mirspectrum - FFT spectrum with many post-processing operations
24 % mirautocor - Autocorrelation function
25 % mirfilterbank - Decomposes into channels via a bank of filters
26 % mirsum - Sums the channels of a filterbank
27 %
28 %DYNAMIC
29 % mirrms - Root mean square energy
30 % mirlowenergy - Number of frames with lower than average energy
31 % mirenvelope - Amplitude envelope (global shape of the waveform)
32 % mironsets - Note onset positions and characteristics
33 % mirattacktime - Duration of note attacks
34 % mirattackslope - Average slope of note attacks
35 % mireventdensity - Average frequency of events
36 %
37 %RHYTHM
38 % mirtempo - Tempo (in beats per minute)
39 % mirfluctuation - Fluctuation strength (periodicities in each channel)
40 % mirbeatspectrum - Beat spectrum, characterizing the rhythmic content
41 % mirpulseclarity - Rhythmic clarity, i.e., beat strength
42 %
43 %TIMBRE
44 % mirbrightness - Spectral brightness (high-frequency rate)
45 % mirrolloff - Spectral rolloff (frequency above which is located a
46 % certain amount of energy)
47 % mirmfcc - Mel-frequency cepstrum coefficients
48 % (numerical description of the spectrum envelope)
49 % mirinharmonicity - Inharmonicity (partials non-multiple of fundamental)
50 % mirroughness - Roughness (sensory dissonance)
51 % mirregularity - Spectrum irregularity (amplitude variability of
52 % successive peaks)
53 %
54 %PITCH
55 % mirpitch - Pitch frequencies
56 % mircepstrum - Cepstrum representation (showing periodicities)
57 % mirmidi - Attempts a conversion of audio into MIDI
58 %
59 %TONALITY
60 % mirchromagram - Chromagram (distribution of energy along pitches)
61 % mirkeystrength - Key strengths (probability of key candidates)
62 % mirkey - Best keys and modes (in the 12 tone system)
63 % mirkeysom - Visualizes key strengths with self-organizing map
64 % mirmode - General estimation of mode (major/minor)
65 % mirtonalcentroid - Tonal centroid (using circles of fifths and thirds)
66 % mirhcdf - Harmonic Change Detection Function
67 %
68 %PREDICTIONS
69 % miremotion - Emotion, represented both as classes and dimensions
70 %
71 %ANALYSIS
72 % mirmean - Returns the mean of any feature
73 % mirstd - Returns the standard deviation of any feature
74 % mirstat - Returns statistics of any feature
75 % mirpeaks - Peaks
76 % mirhisto - Histogram
77 % mirentropy - Entropy
78 % mirzerocross - Sign-changes ratio
79 % mircentroid - Centroid (center of gravity)
80 % mirspread - Spread (non-concentration)
81 % mirskewness - Skewness (lack of symmetry)
82 % mirkurtosis - Kurtosis (peakiness)
83 % mirflatness - Flatness
84 %
85 %SIMILARITY
86 % mirflux - Flux, i.e., distance between successive frames
87 % mirsimatrix - Similarity matrix
88 % mirnovelty - Novelty score
89 % mirdist - Distance between audio files
90 % mirquery - Query by example
91 %
92 %OTHER
93 % mirclassify - Classifies audio sequences
94 % mircluster - Clusters segments or frames
95 % mirfeatures - Compute a large range of features
96 % mirmap - Performs statistical mapping
97 %
98 %MATLAB FUNCTIONS generalized to the MIRtoolbox data
99 % + - Superposes audio files
100 % * - Combines autocor, cepstrum curves
101 % corrcoef - Computes correlation between curves
102 %
103 %PREFERENCES
104 % mirchunklim - Get or set the chunk size threshold
105 % mirwaitbar - Toggles on/off the display of progress bars
106 % mirverbose - Toggles on/off the display of ongoing operations
107 % mirparallel - Toggles on/off parallel processing