'; 102 | output += JSON.stringify(notes, null, ' ') + '
'; 103 | document.querySelector('.output' + index).innerHTML = output; 104 | } 105 | -------------------------------------------------------------------------------- /demo_1/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 14 | 32 | 33 | 34 | 35 |
36 |
41 |
42 |
43 |
44 |
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2 | "type": "MelodyConverter",
3 | "args": {
4 | "minPitch": 21,
5 | "maxPitch": 108,
6 | "numSteps": 32
7 | }
8 | }
9 |
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1 | {
2 | "decoder/multi_rnn_cell/cell_0/lstm_cell/bias": {
3 | "filename": "decoder_multi_rnn_cell_cell_0_lstm_cell_bias",
4 | "shape": [
5 | 1024
6 | ]
7 | },
8 | "decoder/multi_rnn_cell/cell_0/lstm_cell/kernel": {
9 | "filename": "decoder_multi_rnn_cell_cell_0_lstm_cell_kernel",
10 | "shape": [
11 | 602,
12 | 1024
13 | ]
14 | },
15 | "decoder/multi_rnn_cell/cell_1/lstm_cell/bias": {
16 | "filename": "decoder_multi_rnn_cell_cell_1_lstm_cell_bias",
17 | "shape": [
18 | 1024
19 | ]
20 | },
21 | "decoder/multi_rnn_cell/cell_1/lstm_cell/kernel": {
22 | "filename": "decoder_multi_rnn_cell_cell_1_lstm_cell_kernel",
23 | "shape": [
24 | 512,
25 | 1024
26 | ]
27 | },
28 | "decoder/output_projection/bias": {
29 | "filename": "decoder_output_projection_bias",
30 | "shape": [
31 | 90
32 | ]
33 | },
34 | "decoder/output_projection/kernel": {
35 | "filename": "decoder_output_projection_kernel",
36 | "shape": [
37 | 256,
38 | 90
39 | ]
40 | },
41 | "decoder/z_to_initial_state/bias": {
42 | "filename": "decoder_z_to_initial_state_bias",
43 | "shape": [
44 | 1024
45 | ]
46 | },
47 | "decoder/z_to_initial_state/kernel": {
48 | "filename": "decoder_z_to_initial_state_kernel",
49 | "shape": [
50 | 256,
51 | 1024
52 | ]
53 | },
54 | "encoder/cell_0/bidirectional_rnn/bw/multi_rnn_cell/cell_0/lstm_cell/bias": {
55 | "filename": "encoder_cell_0_bidirectional_rnn_bw_multi_rnn_cell_cell_0_lstm_cell_bias",
56 | "shape": [
57 | 2048
58 | ]
59 | },
60 | "encoder/cell_0/bidirectional_rnn/bw/multi_rnn_cell/cell_0/lstm_cell/kernel": {
61 | "filename": "encoder_cell_0_bidirectional_rnn_bw_multi_rnn_cell_cell_0_lstm_cell_kernel",
62 | "shape": [
63 | 602,
64 | 2048
65 | ]
66 | },
67 | "encoder/cell_0/bidirectional_rnn/fw/multi_rnn_cell/cell_0/lstm_cell/bias": {
68 | "filename": "encoder_cell_0_bidirectional_rnn_fw_multi_rnn_cell_cell_0_lstm_cell_bias",
69 | "shape": [
70 | 2048
71 | ]
72 | },
73 | "encoder/cell_0/bidirectional_rnn/fw/multi_rnn_cell/cell_0/lstm_cell/kernel": {
74 | "filename": "encoder_cell_0_bidirectional_rnn_fw_multi_rnn_cell_cell_0_lstm_cell_kernel",
75 | "shape": [
76 | 602,
77 | 2048
78 | ]
79 | },
80 | "encoder/mu/bias": {
81 | "filename": "encoder_mu_bias",
82 | "shape": [
83 | 256
84 | ]
85 | },
86 | "encoder/mu/kernel": {
87 | "filename": "encoder_mu_kernel",
88 | "shape": [
89 | 1024,
90 | 256
91 | ]
92 | },
93 | "encoder/sigma/bias": {
94 | "filename": "encoder_sigma_bias",
95 | "shape": [
96 | 256
97 | ]
98 | },
99 | "encoder/sigma/kernel": {
100 | "filename": "encoder_sigma_kernel",
101 | "shape": [
102 | 1024,
103 | 256
104 | ]
105 | }
106 | }
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1 | // Copyright 2018 Google LLC
2 | //
3 | // Licensed under the Apache License, Version 2.0 (the "License");
4 | // you may not use this file except in compliance with the License.
5 | // You may obtain a copy of the License at
6 | //
7 | // https://www.apache.org/licenses/LICENSE-2.0
8 | //
9 | // Unless required by applicable law or agreed to in writing, software
10 | // distributed under the License is distributed on an "AS IS" BASIS,
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 | // See the License for the specific language governing permissions and
13 | // limitations under the License.
14 |
15 |
16 |
17 |
18 | //Play with this to get back a larger or smaller blend of melodies
19 | var numInterpolations = 5; //numInterpolations containing 32 notes
20 |
21 | // generates an array where indices correspond to midi notes
22 | var everyNote = 'C,C#,D,D#,E,F,F#,G,G#,A,A#,B,'.repeat(20).split(',').map( function(x,i) {
23 | return x + '' + Math.floor(i/12);
24 | });
25 |
26 | //returns the midi pitch value for the given note.
27 | //returns -1 if not found
28 | function toMidi(note) {
29 | return everyNote.indexOf(note);
30 | }
31 |
32 | //If you want to try out other melodies copy and paste any of these in https://github.....
33 | var MELODY1 = { notes: [
34 | {pitch: toMidi('A3'), quantizedStartStep: 0, quantizedEndStep: 4},
35 | {pitch: toMidi('D4'), quantizedStartStep: 4, quantizedEndStep: 6},
36 | {pitch: toMidi('E4'), quantizedStartStep: 6, quantizedEndStep: 8},
37 | {pitch: toMidi('F4'), quantizedStartStep: 8, quantizedEndStep: 10},
38 | {pitch: toMidi('D4'), quantizedStartStep: 10, quantizedEndStep: 12},
39 | {pitch: toMidi('E4'), quantizedStartStep: 12, quantizedEndStep: 16},
40 | {pitch: toMidi('C4'), quantizedStartStep: 16, quantizedEndStep: 20},
41 | {pitch: toMidi('D4'), quantizedStartStep: 20, quantizedEndStep: 26},
42 | {pitch: toMidi('A3'), quantizedStartStep: 26, quantizedEndStep: 28},
43 | {pitch: toMidi('A3'), quantizedStartStep: 28, quantizedEndStep: 32}
44 | ]};
45 |
46 | //you can also just put in the midi pitch note if you know it
47 | var MELODY2 = { notes: [
48 | {pitch: 50, quantizedStartStep: 0, quantizedEndStep: 1},
49 | {pitch: 53, quantizedStartStep: 1, quantizedEndStep: 2},
50 | {pitch: 58, quantizedStartStep: 2, quantizedEndStep: 3},
51 | {pitch: 58, quantizedStartStep: 3, quantizedEndStep: 4},
52 | {pitch: 58, quantizedStartStep: 4, quantizedEndStep: 5},
53 | {pitch: 53, quantizedStartStep: 5, quantizedEndStep: 6},
54 | {pitch: 53, quantizedStartStep: 6, quantizedEndStep: 7},
55 | {pitch: 53, quantizedStartStep: 7, quantizedEndStep: 8},
56 | {pitch: 52, quantizedStartStep: 8, quantizedEndStep: 9},
57 | {pitch: 55, quantizedStartStep: 9, quantizedEndStep: 10},
58 | {pitch: 60, quantizedStartStep: 10, quantizedEndStep: 11},
59 | {pitch: 60, quantizedStartStep: 11, quantizedEndStep: 12},
60 | {pitch: 60, quantizedStartStep: 12, quantizedEndStep: 13},
61 | {pitch: 60, quantizedStartStep: 13, quantizedEndStep: 14},
62 | {pitch: 60, quantizedStartStep: 14, quantizedEndStep: 15},
63 | {pitch: 52, quantizedStartStep: 15, quantizedEndStep: 16},
64 | {pitch: 57, quantizedStartStep: 16, quantizedEndStep: 17},
65 | {pitch: 57, quantizedStartStep: 17, quantizedEndStep: 18},
66 | {pitch: 57, quantizedStartStep: 18, quantizedEndStep: 19},
67 | {pitch: 65, quantizedStartStep: 19, quantizedEndStep: 20},
68 | {pitch: 65, quantizedStartStep: 20, quantizedEndStep: 21},
69 | {pitch: 65, quantizedStartStep: 21, quantizedEndStep: 22},
70 | {pitch: 57, quantizedStartStep: 22, quantizedEndStep: 23},
71 | {pitch: 57, quantizedStartStep: 23, quantizedEndStep: 24},
72 | {pitch: 57, quantizedStartStep: 24, quantizedEndStep: 25},
73 | {pitch: 57, quantizedStartStep: 25, quantizedEndStep: 26},
74 | {pitch: 62, quantizedStartStep: 26, quantizedEndStep: 27},
75 | {pitch: 62, quantizedStartStep: 27, quantizedEndStep: 28},
76 | {pitch: 65, quantizedStartStep: 28, quantizedEndStep: 29},
77 | {pitch: 65, quantizedStartStep: 29, quantizedEndStep: 30},
78 | {pitch: 69, quantizedStartStep: 30, quantizedEndStep: 31},
79 | {pitch: 69, quantizedStartStep: 31, quantizedEndStep: 32}
80 | ]};
81 |
82 | // go to https://goo.gl/magenta/musicvae-checkpoints to see more checkpoint urls
83 | // var melodiesModelCheckPoint = 'https://storage.googleapis.com/download.magenta.tensorflow.org/models/music_vae/dljs/mel_small';
84 | var melodiesModelCheckPoint = './data/mel_small';
85 |
86 | // musicvae is trained on sequences of notes that are 2 bars, so 32 note per sequences.
87 | // Input needs to be the the same format
88 | var NUM_STEPS = 32; // DO NOT CHANGE.
89 | var NUM_NOTES = 88;
90 | var MIDI_START_NOTE = 21; //lowest piano midi note
91 | var interpolatedNoteSequences;
92 |
93 | //Uses promises to chain together asynchronous operations.
94 | //Check out https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises for info on promises
95 | new musicvae.MusicVAE(melodiesModelCheckPoint)
96 | .initialize()
97 | .then(function(musicVAE) {
98 | //blends between the given two melodies and returns numInterpolations note sequences
99 | interpolatedNoteSequences = musicVAE.interpolate([MELODY1, MELODY2], numInterpolations);
100 | document.querySelector('.loading').innerHTML = ' ';
101 | });
102 |
103 | var sequenceIndex = -1;
104 | var stepIndex = -1;
105 |
106 | ///////////////////////////////
107 | //p5.js setup
108 | var TILE_SIZE = 150;
109 | var WIDTH = TILE_SIZE * numInterpolations;
110 | var HEIGHT = 170;
111 | var START_COLOR;
112 | var END_COLOR;
113 |
114 | function setup() {
115 | createCanvas(WIDTH , HEIGHT);
116 | START_COLOR = color(60, 180, 203);
117 | END_COLOR = color(233, 72, 88);
118 | noStroke();
119 | }
120 |
121 | function draw() {
122 | //Draw Tiles + Notes
123 | background(38);
124 | for(var i = 0; i < numInterpolations; i++){
125 | var x = i * TILE_SIZE;
126 | var y = HEIGHT-TILE_SIZE;
127 | var currColor = lerpColor(START_COLOR, END_COLOR, i / numInterpolations);
128 | //use currColor but at 50% opacity
129 | fill(red(currColor), green(currColor), blue(currColor), 125);
130 | rect(x, y, TILE_SIZE, TILE_SIZE);
131 | fill(currColor);
132 | if(interpolatedNoteSequences){
133 | drawNotes(interpolatedNoteSequences[i].notes, x, y, TILE_SIZE, TILE_SIZE);
134 | }
135 | }
136 | fill(255, 64);}
137 |
138 | function mousePressed() {
139 | if(!interpolatedNoteSequences) {
140 | return;
141 | }
142 | }
143 |
144 | function drawNotes(notes, x, y, width, height) {
145 | push();
146 | translate(x, y);
147 | var cellWidth = width / NUM_STEPS;
148 | var cellHeight = height / NUM_NOTES;
149 | notes.forEach(function(note) {
150 | var emptyNoteSpacer = 1;
151 | rect(emptyNoteSpacer + cellWidth * note.quantizedStartStep, height - cellHeight * (note.pitch-MIDI_START_NOTE),
152 | cellWidth * (note.quantizedEndStep - note.quantizedStartStep) - emptyNoteSpacer, cellHeight);
153 | });
154 | pop();
155 | }
156 |
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
13 |
33 |
34 |
35 |
36 | Downloading ML Model...
37 |
38 |
39 |
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1 | {
2 | "type": "MelodyConverter",
3 | "args": {
4 | "minPitch": 21,
5 | "maxPitch": 108,
6 | "numSteps": 32
7 | }
8 | }
9 |
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2 | "decoder/multi_rnn_cell/cell_0/lstm_cell/bias": {
3 | "filename": "decoder_multi_rnn_cell_cell_0_lstm_cell_bias",
4 | "shape": [
5 | 1024
6 | ]
7 | },
8 | "decoder/multi_rnn_cell/cell_0/lstm_cell/kernel": {
9 | "filename": "decoder_multi_rnn_cell_cell_0_lstm_cell_kernel",
10 | "shape": [
11 | 602,
12 | 1024
13 | ]
14 | },
15 | "decoder/multi_rnn_cell/cell_1/lstm_cell/bias": {
16 | "filename": "decoder_multi_rnn_cell_cell_1_lstm_cell_bias",
17 | "shape": [
18 | 1024
19 | ]
20 | },
21 | "decoder/multi_rnn_cell/cell_1/lstm_cell/kernel": {
22 | "filename": "decoder_multi_rnn_cell_cell_1_lstm_cell_kernel",
23 | "shape": [
24 | 512,
25 | 1024
26 | ]
27 | },
28 | "decoder/output_projection/bias": {
29 | "filename": "decoder_output_projection_bias",
30 | "shape": [
31 | 90
32 | ]
33 | },
34 | "decoder/output_projection/kernel": {
35 | "filename": "decoder_output_projection_kernel",
36 | "shape": [
37 | 256,
38 | 90
39 | ]
40 | },
41 | "decoder/z_to_initial_state/bias": {
42 | "filename": "decoder_z_to_initial_state_bias",
43 | "shape": [
44 | 1024
45 | ]
46 | },
47 | "decoder/z_to_initial_state/kernel": {
48 | "filename": "decoder_z_to_initial_state_kernel",
49 | "shape": [
50 | 256,
51 | 1024
52 | ]
53 | },
54 | "encoder/cell_0/bidirectional_rnn/bw/multi_rnn_cell/cell_0/lstm_cell/bias": {
55 | "filename": "encoder_cell_0_bidirectional_rnn_bw_multi_rnn_cell_cell_0_lstm_cell_bias",
56 | "shape": [
57 | 2048
58 | ]
59 | },
60 | "encoder/cell_0/bidirectional_rnn/bw/multi_rnn_cell/cell_0/lstm_cell/kernel": {
61 | "filename": "encoder_cell_0_bidirectional_rnn_bw_multi_rnn_cell_cell_0_lstm_cell_kernel",
62 | "shape": [
63 | 602,
64 | 2048
65 | ]
66 | },
67 | "encoder/cell_0/bidirectional_rnn/fw/multi_rnn_cell/cell_0/lstm_cell/bias": {
68 | "filename": "encoder_cell_0_bidirectional_rnn_fw_multi_rnn_cell_cell_0_lstm_cell_bias",
69 | "shape": [
70 | 2048
71 | ]
72 | },
73 | "encoder/cell_0/bidirectional_rnn/fw/multi_rnn_cell/cell_0/lstm_cell/kernel": {
74 | "filename": "encoder_cell_0_bidirectional_rnn_fw_multi_rnn_cell_cell_0_lstm_cell_kernel",
75 | "shape": [
76 | 602,
77 | 2048
78 | ]
79 | },
80 | "encoder/mu/bias": {
81 | "filename": "encoder_mu_bias",
82 | "shape": [
83 | 256
84 | ]
85 | },
86 | "encoder/mu/kernel": {
87 | "filename": "encoder_mu_kernel",
88 | "shape": [
89 | 1024,
90 | 256
91 | ]
92 | },
93 | "encoder/sigma/bias": {
94 | "filename": "encoder_sigma_bias",
95 | "shape": [
96 | 256
97 | ]
98 | },
99 | "encoder/sigma/kernel": {
100 | "filename": "encoder_sigma_kernel",
101 | "shape": [
102 | 1024,
103 | 256
104 | ]
105 | }
106 | }
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1 | // Copyright 2018 Google LLC
2 | //
3 | // Licensed under the Apache License, Version 2.0 (the "License");
4 | // you may not use this file except in compliance with the License.
5 | // You may obtain a copy of the License at
6 | //
7 | // https://www.apache.org/licenses/LICENSE-2.0
8 | //
9 | // Unless required by applicable law or agreed to in writing, software
10 | // distributed under the License is distributed on an "AS IS" BASIS,
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 | // See the License for the specific language governing permissions and
13 | // limitations under the License.
14 |
15 |
16 |
17 |
18 | //Play with this to get back a larger or smaller blend of melodies
19 | var numInterpolations = 5; //numInterpolations containing 32 notes
20 |
21 | // generates an array where indices correspond to midi notes
22 | var everyNote = 'C,C#,D,D#,E,F,F#,G,G#,A,A#,B,'.repeat(20).split(',').map( function(x,i) {
23 | return x + '' + Math.floor(i/12);
24 | });
25 |
26 | //returns the midi pitch value for the given note.
27 | //returns -1 if not found
28 | function toMidi(note) {
29 | return everyNote.indexOf(note);
30 | }
31 |
32 | //If you want to try out other melodies copy and paste any of these in https://github.....
33 | var MELODY1 = { notes: [
34 | {pitch: toMidi('A3'), quantizedStartStep: 0, quantizedEndStep: 4},
35 | {pitch: toMidi('D4'), quantizedStartStep: 4, quantizedEndStep: 6},
36 | {pitch: toMidi('E4'), quantizedStartStep: 6, quantizedEndStep: 8},
37 | {pitch: toMidi('F4'), quantizedStartStep: 8, quantizedEndStep: 10},
38 | {pitch: toMidi('D4'), quantizedStartStep: 10, quantizedEndStep: 12},
39 | {pitch: toMidi('E4'), quantizedStartStep: 12, quantizedEndStep: 16},
40 | {pitch: toMidi('C4'), quantizedStartStep: 16, quantizedEndStep: 20},
41 | {pitch: toMidi('D4'), quantizedStartStep: 20, quantizedEndStep: 26},
42 | {pitch: toMidi('A3'), quantizedStartStep: 26, quantizedEndStep: 28},
43 | {pitch: toMidi('A3'), quantizedStartStep: 28, quantizedEndStep: 32}
44 | ]};
45 |
46 | //you can also just put in the midi pitch note if you know it
47 | var MELODY2 = { notes: [
48 | {pitch: 50, quantizedStartStep: 0, quantizedEndStep: 1},
49 | {pitch: 53, quantizedStartStep: 1, quantizedEndStep: 2},
50 | {pitch: 58, quantizedStartStep: 2, quantizedEndStep: 3},
51 | {pitch: 58, quantizedStartStep: 3, quantizedEndStep: 4},
52 | {pitch: 58, quantizedStartStep: 4, quantizedEndStep: 5},
53 | {pitch: 53, quantizedStartStep: 5, quantizedEndStep: 6},
54 | {pitch: 53, quantizedStartStep: 6, quantizedEndStep: 7},
55 | {pitch: 53, quantizedStartStep: 7, quantizedEndStep: 8},
56 | {pitch: 52, quantizedStartStep: 8, quantizedEndStep: 9},
57 | {pitch: 55, quantizedStartStep: 9, quantizedEndStep: 10},
58 | {pitch: 60, quantizedStartStep: 10, quantizedEndStep: 11},
59 | {pitch: 60, quantizedStartStep: 11, quantizedEndStep: 12},
60 | {pitch: 60, quantizedStartStep: 12, quantizedEndStep: 13},
61 | {pitch: 60, quantizedStartStep: 13, quantizedEndStep: 14},
62 | {pitch: 60, quantizedStartStep: 14, quantizedEndStep: 15},
63 | {pitch: 52, quantizedStartStep: 15, quantizedEndStep: 16},
64 | {pitch: 57, quantizedStartStep: 16, quantizedEndStep: 17},
65 | {pitch: 57, quantizedStartStep: 17, quantizedEndStep: 18},
66 | {pitch: 57, quantizedStartStep: 18, quantizedEndStep: 19},
67 | {pitch: 65, quantizedStartStep: 19, quantizedEndStep: 20},
68 | {pitch: 65, quantizedStartStep: 20, quantizedEndStep: 21},
69 | {pitch: 65, quantizedStartStep: 21, quantizedEndStep: 22},
70 | {pitch: 57, quantizedStartStep: 22, quantizedEndStep: 23},
71 | {pitch: 57, quantizedStartStep: 23, quantizedEndStep: 24},
72 | {pitch: 57, quantizedStartStep: 24, quantizedEndStep: 25},
73 | {pitch: 57, quantizedStartStep: 25, quantizedEndStep: 26},
74 | {pitch: 62, quantizedStartStep: 26, quantizedEndStep: 27},
75 | {pitch: 62, quantizedStartStep: 27, quantizedEndStep: 28},
76 | {pitch: 65, quantizedStartStep: 28, quantizedEndStep: 29},
77 | {pitch: 65, quantizedStartStep: 29, quantizedEndStep: 30},
78 | {pitch: 69, quantizedStartStep: 30, quantizedEndStep: 31},
79 | {pitch: 69, quantizedStartStep: 31, quantizedEndStep: 32}
80 | ]};
81 |
82 |
83 | // go to https://goo.gl/magenta/musicvae-checkpoints to see more checkpoint urls
84 | // try the 500mb mel_big for a really smooth interpolation
85 | // var melodiesModelCheckPoint = 'https://storage.googleapis.com/download.magenta.tensorflow.org/models/music_vae/dljs/mel_big';
86 | var melodiesModelCheckPoint = './data/mel_small';
87 |
88 | // musicvae is trained on sequences of notes that are 2 bars, so 32 note per sequences.
89 | // Input needs to be the the same format
90 | var NUM_STEPS = 32; // DO NOT CHANGE.
91 | var interpolatedNoteSequences;
92 |
93 | //Uses promises to chain together asynchronous operations.
94 | //Check out https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises for info on promises
95 | new musicvae.MusicVAE(melodiesModelCheckPoint)
96 | .initialize()
97 | .then(function(musicVAE) {
98 | //blends between the given two melodies and returns numInterpolations note sequences
99 | // MELODY1 = musicVAE.sample(1, 0.5)[0]; //generates 1 new melody with 0.5 temperature. More temp means crazier melodies
100 | return musicVAE.interpolate([MELODY1, MELODY2], numInterpolations);
101 | })
102 | .then(function(noteSequences) {
103 | var text = 'Click to Play a blend from Melody 1 to Melody 2 in ' + numInterpolations + ' interpolations';
104 | document.querySelector('.loading').innerHTML = text;
105 | interpolatedNoteSequences = noteSequences;
106 | });
107 |
108 | ///////////////////////////////
109 | //TONE.js setup for audio play back
110 | var samplesPath = 'https://storage.googleapis.com/melody-mixer/piano/';
111 | var samples = {};
112 | var NUM_NOTES = 88;
113 | var MIDI_START_NOTE = 21;
114 | for (var i = MIDI_START_NOTE; i < NUM_NOTES + MIDI_START_NOTE; i++) {
115 | samples[i] = samplesPath + i + '.mp3';
116 | }
117 |
118 | var players = new Tone.Players(samples, function onPlayersLoaded(){
119 | console.log("Tone.js players loaded");
120 | }).toMaster();
121 |
122 |
123 | function playNote(midiNote, numNoteHolds){
124 | var duration = Tone.Transport.toSeconds('8n') * (numNoteHolds || 1);
125 | var player = players.get(midiNote);
126 | player.fadeOut = 0.05;
127 | player.fadeIn = 0.01;
128 | player.start(Tone.now(), 0, duration);
129 | }
130 |
131 | var sequenceIndex = -1;
132 | var stepIndex = -1;
133 |
134 | ///////////////////////////////
135 | //p5.js setup
136 | var TILE_SIZE = 150;
137 | var WIDTH = TILE_SIZE * numInterpolations;
138 | var HEIGHT = 170;
139 | var START_COLOR;
140 | var END_COLOR;
141 |
142 | function setup() {
143 | createCanvas(WIDTH , HEIGHT);
144 | START_COLOR = color(60, 180, 203);
145 | END_COLOR = color(233, 72, 88);
146 | noStroke();
147 | }
148 |
149 | function draw() {
150 | //here we calculate the percentage through melodies, between 0-1
151 | var totalPlayTime = (Tone.Transport.bpm.value * NUM_STEPS * numInterpolations) / 1000;
152 | var percent = Tone.Transport.seconds / totalPlayTime % 1;
153 |
154 | //here we calculate the index of interpolatedNoteSequences
155 | //and currStepIndex is the note between 0-31 of that playback
156 | var currSequenceIndex = Math.floor(percent * numInterpolations);
157 | var currStepIndex = Math.floor((percent * numInterpolations - currSequenceIndex) * NUM_STEPS);
158 | function isCurrentStep(note) {
159 | return note.quantizedStartStep === currStepIndex;
160 | }
161 | if(Tone.Transport.state === 'started') { //playback started
162 | if(currStepIndex != stepIndex) {
163 | //here we search through all notes and find any that match our current step index
164 | var notes = interpolatedNoteSequences[currSequenceIndex].notes.filter(isCurrentStep);
165 | notes.forEach(function(note) {
166 | var noteDuration = note.quantizedEndStep - note.quantizedStartStep;
167 | playNote(note.pitch, noteDuration);
168 | });
169 | }
170 | sequenceIndex = currSequenceIndex;
171 | stepIndex = currStepIndex;
172 | }
173 |
174 | //Draw Tiles + Notes
175 | //Drawing Tiles + notes
176 | background(38);
177 | for(var i = 0; i < numInterpolations; i++){
178 | var x = i * TILE_SIZE;
179 | var y = HEIGHT-TILE_SIZE;
180 | var currColor = lerpColor(START_COLOR, END_COLOR, i / numInterpolations);
181 | //use currColor but at 50% opacity
182 | fill(red(currColor), green(currColor), blue(currColor), 125);
183 | rect(x, y, TILE_SIZE, TILE_SIZE);
184 | fill(currColor);
185 | if(interpolatedNoteSequences){
186 | drawNotes(interpolatedNoteSequences[i].notes, x, y, TILE_SIZE, TILE_SIZE);
187 | }
188 |
189 | }
190 | fill(255, 64);
191 | rect(percent * WIDTH, 0, TILE_SIZE / NUM_STEPS, HEIGHT);
192 | text(sequenceIndex + " - " + currStepIndex, 15, 15);
193 | }
194 |
195 | function mousePressed() {
196 | if(!interpolatedNoteSequences) {
197 | return;
198 | }
199 | var loadingSpan = document.querySelector('.loading');
200 | if(Tone.Transport.state === 'started') {
201 | Tone.Transport.stop();
202 | loadingSpan.innerHTML = 'Play';
203 | } else {
204 | Tone.Transport.start();
205 | loadingSpan.innerHTML = 'Pause';
206 | }
207 | }
208 |
209 | function drawNotes(notes, x, y, width, height) {
210 | push();
211 | translate(x, y);
212 | var cellWidth = width / NUM_STEPS;
213 | var cellHeight = height / NUM_NOTES;
214 | notes.forEach(function(note) {
215 | var emptyNoteSpacer = 1;
216 | rect(emptyNoteSpacer + cellWidth * note.quantizedStartStep, height - cellHeight * (note.pitch-MIDI_START_NOTE),
217 | cellWidth * (note.quantizedEndStep - note.quantizedStartStep) - emptyNoteSpacer, cellHeight);
218 | });
219 | pop();
220 | }
221 |
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39 | Downloading ML Model...
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3 | "args": {
4 | "minPitch": 21,
5 | "maxPitch": 108,
6 | "numSteps": 32
7 | }
8 | }
9 |
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1 | {
2 | "decoder/multi_rnn_cell/cell_0/lstm_cell/bias": {
3 | "filename": "decoder_multi_rnn_cell_cell_0_lstm_cell_bias",
4 | "shape": [
5 | 1024
6 | ]
7 | },
8 | "decoder/multi_rnn_cell/cell_0/lstm_cell/kernel": {
9 | "filename": "decoder_multi_rnn_cell_cell_0_lstm_cell_kernel",
10 | "shape": [
11 | 602,
12 | 1024
13 | ]
14 | },
15 | "decoder/multi_rnn_cell/cell_1/lstm_cell/bias": {
16 | "filename": "decoder_multi_rnn_cell_cell_1_lstm_cell_bias",
17 | "shape": [
18 | 1024
19 | ]
20 | },
21 | "decoder/multi_rnn_cell/cell_1/lstm_cell/kernel": {
22 | "filename": "decoder_multi_rnn_cell_cell_1_lstm_cell_kernel",
23 | "shape": [
24 | 512,
25 | 1024
26 | ]
27 | },
28 | "decoder/output_projection/bias": {
29 | "filename": "decoder_output_projection_bias",
30 | "shape": [
31 | 90
32 | ]
33 | },
34 | "decoder/output_projection/kernel": {
35 | "filename": "decoder_output_projection_kernel",
36 | "shape": [
37 | 256,
38 | 90
39 | ]
40 | },
41 | "decoder/z_to_initial_state/bias": {
42 | "filename": "decoder_z_to_initial_state_bias",
43 | "shape": [
44 | 1024
45 | ]
46 | },
47 | "decoder/z_to_initial_state/kernel": {
48 | "filename": "decoder_z_to_initial_state_kernel",
49 | "shape": [
50 | 256,
51 | 1024
52 | ]
53 | },
54 | "encoder/cell_0/bidirectional_rnn/bw/multi_rnn_cell/cell_0/lstm_cell/bias": {
55 | "filename": "encoder_cell_0_bidirectional_rnn_bw_multi_rnn_cell_cell_0_lstm_cell_bias",
56 | "shape": [
57 | 2048
58 | ]
59 | },
60 | "encoder/cell_0/bidirectional_rnn/bw/multi_rnn_cell/cell_0/lstm_cell/kernel": {
61 | "filename": "encoder_cell_0_bidirectional_rnn_bw_multi_rnn_cell_cell_0_lstm_cell_kernel",
62 | "shape": [
63 | 602,
64 | 2048
65 | ]
66 | },
67 | "encoder/cell_0/bidirectional_rnn/fw/multi_rnn_cell/cell_0/lstm_cell/bias": {
68 | "filename": "encoder_cell_0_bidirectional_rnn_fw_multi_rnn_cell_cell_0_lstm_cell_bias",
69 | "shape": [
70 | 2048
71 | ]
72 | },
73 | "encoder/cell_0/bidirectional_rnn/fw/multi_rnn_cell/cell_0/lstm_cell/kernel": {
74 | "filename": "encoder_cell_0_bidirectional_rnn_fw_multi_rnn_cell_cell_0_lstm_cell_kernel",
75 | "shape": [
76 | 602,
77 | 2048
78 | ]
79 | },
80 | "encoder/mu/bias": {
81 | "filename": "encoder_mu_bias",
82 | "shape": [
83 | 256
84 | ]
85 | },
86 | "encoder/mu/kernel": {
87 | "filename": "encoder_mu_kernel",
88 | "shape": [
89 | 1024,
90 | 256
91 | ]
92 | },
93 | "encoder/sigma/bias": {
94 | "filename": "encoder_sigma_bias",
95 | "shape": [
96 | 256
97 | ]
98 | },
99 | "encoder/sigma/kernel": {
100 | "filename": "encoder_sigma_kernel",
101 | "shape": [
102 | 1024,
103 | 256
104 | ]
105 | }
106 | }
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1 | // Copyright 2018 Google LLC
2 | //
3 | // Licensed under the Apache License, Version 2.0 (the "License");
4 | // you may not use this file except in compliance with the License.
5 | // You may obtain a copy of the License at
6 | //
7 | // https://www.apache.org/licenses/LICENSE-2.0
8 | //
9 | // Unless required by applicable law or agreed to in writing, software
10 | // distributed under the License is distributed on an "AS IS" BASIS,
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 | // See the License for the specific language governing permissions and
13 | // limitations under the License.
14 |
15 | //we can't support edge or IE :( or Samsung S6
16 | var isSupported = !(/(edge|trident|SM-G920|SM-G925)/i.test(navigator.userAgent));
17 |
18 | if(!isSupported) {
19 | document.querySelector('.device-supported').style.display = 'none';
20 | document.querySelector('.device-not-supported').style.display = 'block';
21 | }
22 |
23 |
24 | ///////////////////////////////
25 | //Splash Page
26 | var displayingSplash = true;
27 | function onPlay() {
28 | var splash = document.querySelector('.splash');
29 | splash.style.opacity = 0.0;
30 | setTimeout(function() { //duration of fade
31 | splash.style.display = 'none';
32 | displayingSplash = false;
33 | }, 500);
34 | }
35 |
36 | //Play with this to get back a larger or smaller blend of melodies
37 | var numInterpolations = 2; //numInterpolations containing 32 notes
38 |
39 | var MELODY1 = presetMelodies['Melody 1'];
40 | var MELODY2 = presetMelodies['Melody 2'];
41 |
42 |
43 | function getGeneratedMelodyColor(selectorIndex){
44 | var colorOptions = ([
45 | [
46 | [51, 137, 0],
47 | [46, 196, 91],
48 | [41, 255, 181]
49 | ],
50 | [
51 | [48, 17, 234],
52 | [24, 78, 211],
53 | [8, 139, 188]
54 | ]
55 | ])[selectorIndex];
56 | return colorOptions[floor(random(0, colorOptions.length))];
57 | }
58 |
59 |
60 |
61 | // go to https://goo.gl/magenta/musicvae-checkpoints to see more checkpoint urls
62 | // var melodiesModelCheckPoint = 'https://storage.googleapis.com/download.magenta.tensorflow.org/models/music_vae/dljs/mel_small';
63 | var melodiesModelCheckPoint = './data/mel_small';
64 |
65 | // musicvae is trained on sequences of notes that are 2 bars, so 32 note per sequences.
66 | // Input needs to be the the same format
67 | var NUM_STEPS = 32; // DO NOT CHANGE.
68 | var interpolatedNoteSequences;
69 | var numTiles;
70 |
71 |
72 | //Uses promises to chain together asynchronous operations.
73 | //Check out https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises for info on promises
74 |
75 | var musicVAE = new musicvae.MusicVAE(melodiesModelCheckPoint);
76 | if(isSupported){
77 | musicVAE.initialize()
78 | .then(function(musicVAE) {
79 | //blends between the given two melodies and returns numInterpolations note sequences
80 | interpolateMelodies();
81 |
82 | //enable splash play button
83 | var splashPlayButton = document.querySelector('.splash-play-button');
84 | splashPlayButton.innerHTML = "PLAY";
85 | splashPlayButton.disabled = false;
86 | });
87 | }
88 |
89 | ///////////////////////////////
90 | //Drop Down Presets Setup
91 | var melodySelectors = document.querySelectorAll('.drop-down');
92 | var options = Object.keys(presetMelodies)
93 | .concat(['Generated'])
94 | .map(function(presetName) {
95 | return '';
96 | }).join('');
97 |
98 | melodySelectors.forEach(function(selector, index){
99 | selector.innerHTML = options;
100 | selector.addEventListener('input', onSelectorInput);
101 | });
102 |
103 | melodySelectors[1].children[1].selected = 'selected';
104 |
105 | function onSelectorInput(event){
106 | updateSelector(event.target, true);
107 | }
108 |
109 | function updateSelector(selector, shouldInterpolate){
110 | var preset = presetMelodies[selector.value];
111 | var selectedColor;
112 | if(selector === melodySelectors[0]) {
113 | MELODY1 = preset || musicVAE.sample(1)[0];
114 | selectedColor = preset ? preset.color : getGeneratedMelodyColor(0);
115 | sequences.colorA = color(selectedColor);
116 | } else {
117 | MELODY2 = preset || musicVAE.sample(1)[0];
118 | selectedColor = preset ? preset.color : getGeneratedMelodyColor(1);
119 | sequences.colorB = color(selectedColor);
120 | }
121 | selector.style.backgroundColor = 'rgb(' + selectedColor.join(',') + ')';
122 | if(shouldInterpolate){
123 | interpolateMelodies();
124 | }
125 |
126 | }
127 |
128 | function interpolateMelodies(){
129 | interpolatedNoteSequences = musicVAE.interpolate([MELODY1, MELODY2], numInterpolations);
130 | //it is possible that the original melodies will shift slightly depending on the model
131 | //lets preserve the original melodies
132 | interpolatedNoteSequences[0] = MELODY1;
133 | interpolatedNoteSequences[interpolatedNoteSequences.length-1] = MELODY2;
134 | }
135 |
136 |
137 | ///////////////////////////////
138 | //TONE.js setup for audio play back
139 | // var samplesPath = './data/piano/';
140 | var samplesPath = "https://storage.googleapis.com/melody-mixer/piano/"
141 | var samples = {};
142 | var NUM_NOTES = 88;
143 | var MIDI_START_NOTE = 21;
144 | for (var i = MIDI_START_NOTE; i < NUM_NOTES + MIDI_START_NOTE; i++) {
145 | samples[i] = samplesPath + i + '.mp3';
146 | }
147 |
148 | var players = new Tone.Players(samples, function onPlayersLoaded(){
149 | console.log("Tone.js players loaded");
150 | // Tone.startMobile();
151 | }).toMaster();
152 |
153 |
154 | function playNote(midiNote, numNoteHolds){
155 | var duration = Tone.Transport.toSeconds('8n') * (numNoteHolds || 1);
156 | var player = players.get(midiNote);
157 | player.fadeOut = 0.05;
158 | player.fadeIn = 0.01;
159 | // console.log(`Playing ${midiNote}`);
160 | player.start(Tone.now(), 0, duration);
161 | }
162 |
163 | //used to play back audio on ios
164 | StartAudioContext(Tone.context, '.play-pause-button').then(function(){
165 | console.log('audio context started');
166 | });
167 |
168 | var sequenceIndex = -1;
169 | var stepIndex = -1;
170 |
171 | ///////////////////////////////
172 | //p5.js setup
173 | var SCRUB_BAR_HEIGHT = 20;
174 | var SCRUB_BAR_GAP = 20;
175 | var mouseDownPosition = null;
176 | var MAX_TILE_SIZE = 100;
177 |
178 | var sequences = {
179 | tileSize: MAX_TILE_SIZE,
180 | width: 100 * 2,
181 | targetWidth: 100 * 2,
182 | colorA: null,
183 | colorB: null
184 | };
185 |
186 | function setup() {
187 | melodySelectors.forEach(function(selector){
188 | updateSelector(selector, false);
189 | });
190 | windowResized();
191 | noStroke();
192 | }
193 |
194 | var percent = 0.0;
195 | function draw() {
196 | //playback logic
197 | var totalPlayTime = (Tone.Transport.bpm.value * NUM_STEPS * numInterpolations) / 1000;
198 | percent = Tone.Transport.seconds / totalPlayTime % 1;
199 | if(Tone.Transport.state === 'started') {
200 | var currSequenceIndex = Math.floor(percent * numInterpolations);
201 | var currStepIndex = Math.floor((percent * numInterpolations - currSequenceIndex) * NUM_STEPS);
202 | if(currStepIndex != stepIndex) {
203 | var notes = interpolatedNoteSequences[currSequenceIndex].notes.filter(function(note) { return note.quantizedStartStep === currStepIndex});
204 | notes.forEach(function(note) {
205 | var noteDuration = note.quantizedEndStep - note.quantizedStartStep;
206 | playNote(note.pitch, noteDuration);
207 | });
208 | }
209 | sequenceIndex = currSequenceIndex;
210 | stepIndex = currStepIndex;
211 | }
212 |
213 | translate(0, height/2 - sequences.tileSize/2 - SCRUB_BAR_HEIGHT);
214 | //Drawing Tiles + notes
215 | noStroke();
216 | background(50);
217 | fill(53, 53, 53);
218 | rect(0, 0, width, SCRUB_BAR_HEIGHT);
219 | fill(249, 10);
220 | rect(0, SCRUB_BAR_GAP + SCRUB_BAR_HEIGHT, width, sequences.tileSize);
221 |
222 | //move our origin (0,0) to the main tile area to simplify coordinates
223 | push();
224 | translate(0, SCRUB_BAR_GAP + SCRUB_BAR_HEIGHT);
225 | stroke(255);
226 | strokeWeight(2);
227 |
228 | tweenSequences();
229 | drawSequences();
230 |
231 | pop();
232 | //origin is now back to top-left corner
233 | if(mousePressedInScrubBar()) {
234 | var seekTime = 0.0;
235 | if(mouseX > tileLeft(0) && mouseX < tileRight(numInterpolations-1)){
236 | seekTime = (mouseX - tileLeft(0)) / calcCurrentSequenceWidth() * totalPlayTime;
237 | } else if(mouseX > tileRight(numInterpolations - 1)) {
238 | seekTime = totalPlayTime - 0.00001 ; //make sure it sticks to the end
239 | }
240 | Tone.Transport.seconds = seekTime;
241 | }
242 | drawPlayhead(new p5.Vector(tileLeft(0) + percent * calcCurrentSequenceWidth() , SCRUB_BAR_HEIGHT), SCRUB_BAR_GAP);
243 | }
244 |
245 | function windowResized(){
246 | var numTiles = sequences.targetWidth / sequences.tileSize;
247 | var nextSize = min(MAX_TILE_SIZE, windowWidth / max(8, floor(numTiles)));
248 | sequences.targetWidth = numTiles * nextSize;
249 | sequences.tileSize = nextSize;
250 | var totalHeight = sequences.tileSize + SCRUB_BAR_GAP + SCRUB_BAR_HEIGHT;
251 | createCanvas(windowWidth, totalHeight);
252 | }
253 |
254 |
255 | function mousePressed(){
256 | if(displayingSplash){
257 | return;
258 | }
259 | mouseDownPosition = new p5.Vector(mouseX, mouseY);
260 | }
261 |
262 | function setSelectorToLast(selector, i){
263 | selector.value = selector.options[selector.length -1].value;
264 | updateSelector(selector, true);
265 | }
266 |
267 | function keyPressed() {
268 | if(keyCode === 32) { //space bar pressed
269 | togglePlayback();
270 | } else if(keyCode == 13) { //ENTER key pressed
271 | var samples = musicVAE.sample(2);
272 | MELODY1 = samples[0];
273 | MELODY2 = samples[1];
274 | melodySelectors.forEach(setSelectorToLast);
275 | }
276 | }
277 |
278 | function togglePlayback(){
279 | if(!interpolatedNoteSequences || !players) {
280 | return;
281 | }
282 | if(Tone.Transport.state === 'started') {
283 | Tone.Transport.pause();
284 | } else {
285 | Tone.Transport.start();
286 | }
287 | }
288 |
289 | function mouseReleased(){
290 | sequences.width = calcCurrentSequenceWidth();
291 | var numTiles = round(sequences.width / sequences.tileSize);
292 | sequences.targetWidth = numTiles * sequences.tileSize;
293 | mouseDownPosition = null;
294 | numInterpolations = numTiles;
295 |
296 | interpolateMelodies();
297 | }
298 |
299 | /**
300 | * render the triangle and line of where we are currently playing
301 | * @param {p5.Vector} pos
302 | * @param {Number} triangleHeight
303 | */
304 | function drawPlayhead(pos, triangleHeight){
305 | var width = 20;
306 | var hWidth = width / 2;
307 |
308 | fill(255);
309 | triangle(
310 | pos.x - hWidth, pos.y,
311 | pos.x, pos.y + triangleHeight,
312 | pos.x + hWidth, pos.y
313 | );
314 | stroke(255);
315 | strokeWeight(2);
316 | line(
317 | pos.x, pos.y + 2,
318 | pos.x, sequences.tileSize + pos.y + triangleHeight
319 | );
320 | }
321 |
322 |
323 | function drawSequences(){
324 | var left = tileLeft(0);
325 | var right = tileRight(0);
326 |
327 | //how many tiles completely fit in this size
328 | var numTiles = calcCurrentSequenceWidth() / sequences.tileSize;
329 | var completedTiles = Math.floor(numTiles);
330 | var partSize = (numTiles - completedTiles) * sequences.tileSize;
331 |
332 | noStroke();
333 | for(var i=0; iDownloading ML Model37 | 38 | 39 | 40 |
42 | 
43 |
62 |
73 |
77 |
43 | MELODY MIXER
44 |
45 |
57 |
61 | A fun way to explore music using machine learning.
46 |
Just pull the blocks apart to see what melodies you discover.
47 |
50 |
51 |
52 | Built with deeplearn.js + p5.js + musicvae.js.
53 |
Learn more about how it works.
54 |
81 |
95 |
96 |
97 |
98 |
--------------------------------------------------------------------------------
/demo_4/preset-melodies.js:
--------------------------------------------------------------------------------
1 | // Copyright 2018 Google LLC
2 | //
3 | // Licensed under the Apache License, Version 2.0 (the "License");
4 | // you may not use this file except in compliance with the License.
5 | // You may obtain a copy of the License at
6 | //
7 | // https://www.apache.org/licenses/LICENSE-2.0
8 | //
9 | // Unless required by applicable law or agreed to in writing, software
10 | // distributed under the License is distributed on an "AS IS" BASIS,
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 | // See the License for the specific language governing permissions and
13 | // limitations under the License.
14 |
15 |
16 |
17 |
18 | // generates an array where indices correspond to midi notes
19 | var everyNote = 'C,C#,D,D#,E,F,F#,G,G#,A,A#,B,'.repeat(20).split(',').map( function(x,i) {
20 | return x + '' + Math.floor(i/12);
21 | });
22 |
23 | //returns the midi pitch value for the given note.
24 | //returns -1 if not found
25 | function toMidi(note) {
26 | return everyNote.indexOf(note);
27 | }
28 |
29 | var presetMelodies = {
30 | 'Twinkle' : {
31 | notes: [
32 | {pitch: 60, quantizedStartStep: 0, quantizedEndStep: 2},
33 | {pitch: 60, quantizedStartStep: 2, quantizedEndStep: 4},
34 | {pitch: 67, quantizedStartStep: 4, quantizedEndStep: 6},
35 | {pitch: 67, quantizedStartStep: 6, quantizedEndStep: 8},
36 | {pitch: 69, quantizedStartStep: 8, quantizedEndStep: 10},
37 | {pitch: 69, quantizedStartStep: 10, quantizedEndStep: 12},
38 | {pitch: 67, quantizedStartStep: 12, quantizedEndStep: 16},
39 | {pitch: 65, quantizedStartStep: 16, quantizedEndStep: 18},
40 | {pitch: 65, quantizedStartStep: 18, quantizedEndStep: 20},
41 | {pitch: 64, quantizedStartStep: 20, quantizedEndStep: 22},
42 | {pitch: 64, quantizedStartStep: 22, quantizedEndStep: 24},
43 | {pitch: 62, quantizedStartStep: 24, quantizedEndStep: 26},
44 | {pitch: 62, quantizedStartStep: 26, quantizedEndStep: 28},
45 | {pitch: 60, quantizedStartStep: 28, quantizedEndStep: 32}
46 | ],
47 | color : [113, 20, 221]
48 | },
49 | 'Sparse' : {
50 | notes:[
51 | {pitch: 64, quantizedStartStep: 0, quantizedEndStep: 1},
52 | {pitch: 62, quantizedStartStep: 1, quantizedEndStep: 2},
53 | {pitch: 64, quantizedStartStep: 2, quantizedEndStep: 3},
54 | {pitch: 65, quantizedStartStep: 3, quantizedEndStep: 4},
55 | {pitch: 67, quantizedStartStep: 4, quantizedEndStep: 8},
56 | {pitch: 60, quantizedStartStep: 16, quantizedEndStep: 17},
57 | {pitch: 59, quantizedStartStep: 17, quantizedEndStep: 18},
58 | {pitch: 60, quantizedStartStep: 18, quantizedEndStep: 19},
59 | {pitch: 62, quantizedStartStep: 19, quantizedEndStep: 20},
60 | {pitch: 64, quantizedStartStep: 20, quantizedEndStep: 24}
61 | ],
62 | color : [245, 109, 49]
63 | },
64 | 'Arpeggiated' : {
65 | notes : [
66 | {pitch: 48, quantizedStartStep: 0, quantizedEndStep: 2},
67 | {pitch: 52, quantizedStartStep: 2, quantizedEndStep: 4},
68 | {pitch: 55, quantizedStartStep: 4, quantizedEndStep: 6},
69 | {pitch: 60, quantizedStartStep: 6, quantizedEndStep: 8},
70 | {pitch: 64, quantizedStartStep: 8, quantizedEndStep: 10},
71 | {pitch: 67, quantizedStartStep: 10, quantizedEndStep: 12},
72 | {pitch: 64, quantizedStartStep: 12, quantizedEndStep: 14},
73 | {pitch: 60, quantizedStartStep: 14, quantizedEndStep: 16},
74 | {pitch: 57, quantizedStartStep: 16, quantizedEndStep: 18},
75 | {pitch: 60, quantizedStartStep: 18, quantizedEndStep: 20},
76 | {pitch: 64, quantizedStartStep: 20, quantizedEndStep: 22},
77 | {pitch: 69, quantizedStartStep: 22, quantizedEndStep: 24},
78 | {pitch: 72, quantizedStartStep: 24, quantizedEndStep: 26},
79 | {pitch: 76, quantizedStartStep: 26, quantizedEndStep: 28},
80 | {pitch: 72, quantizedStartStep: 28, quantizedEndStep: 30},
81 | {pitch: 69, quantizedStartStep: 30, quantizedEndStep: 32}
82 | ],
83 |
84 | color : [221, 219, 20]
85 | },
86 | // 'Dense' : {
87 | // notes:[
88 | // {pitch: 72, quantizedStartStep: 0, quantizedEndStep: 1},
89 | // {pitch: 75, quantizedStartStep: 1, quantizedEndStep: 2},
90 | // {pitch: 80, quantizedStartStep: 2, quantizedEndStep: 3},
91 | // {pitch: 75, quantizedStartStep: 3, quantizedEndStep: 4},
92 | // {pitch: 84, quantizedStartStep: 4, quantizedEndStep: 5},
93 | // {pitch: 80, quantizedStartStep: 5, quantizedEndStep: 6},
94 | // {pitch: 75, quantizedStartStep: 6, quantizedEndStep: 7},
95 | // {pitch: 72, quantizedStartStep: 7, quantizedEndStep: 8},
96 | // {pitch: 74, quantizedStartStep: 8, quantizedEndStep: 9},
97 | // {pitch: 77, quantizedStartStep: 9, quantizedEndStep: 10},
98 | // {pitch: 82, quantizedStartStep: 10, quantizedEndStep: 11},
99 | // {pitch: 77, quantizedStartStep: 11, quantizedEndStep: 12},
100 | // {pitch: 86, quantizedStartStep: 12, quantizedEndStep: 13},
101 | // {pitch: 82, quantizedStartStep: 13, quantizedEndStep: 14},
102 | // {pitch: 77, quantizedStartStep: 14, quantizedEndStep: 15},
103 | // {pitch: 74, quantizedStartStep: 15, quantizedEndStep: 16},
104 | // {pitch: 75, quantizedStartStep: 16, quantizedEndStep: 17},
105 | // {pitch: 79, quantizedStartStep: 17, quantizedEndStep: 18},
106 | // {pitch: 84, quantizedStartStep: 18, quantizedEndStep: 19},
107 | // {pitch: 79, quantizedStartStep: 19, quantizedEndStep: 20},
108 | // {pitch: 87, quantizedStartStep: 20, quantizedEndStep: 21},
109 | // {pitch: 84, quantizedStartStep: 21, quantizedEndStep: 22},
110 | // {pitch: 79, quantizedStartStep: 22, quantizedEndStep: 23},
111 | // {pitch: 75, quantizedStartStep: 23, quantizedEndStep: 24},
112 | // {pitch: 75, quantizedStartStep: 24, quantizedEndStep: 25},
113 | // {pitch: 79, quantizedStartStep: 25, quantizedEndStep: 26},
114 | // {pitch: 84, quantizedStartStep: 26, quantizedEndStep: 27},
115 | // {pitch: 84, quantizedStartStep: 27, quantizedEndStep: 28},
116 | // {pitch: 87, quantizedStartStep: 28, quantizedEndStep: 29},
117 | // {pitch: 91, quantizedStartStep: 29, quantizedEndStep: 30},
118 | // {pitch: 84, quantizedStartStep: 30, quantizedEndStep: 31},
119 | // {pitch: 91, quantizedStartStep: 31, quantizedEndStep: 32}
120 | // ],
121 | // color : [242, 61, 91]
122 | // },
123 | 'Bounce' : {
124 | notes:[
125 | {pitch: 64, quantizedStartStep: 0, quantizedEndStep: 2},
126 | {pitch: 60, quantizedStartStep: 2, quantizedEndStep: 4},
127 | {pitch: 64, quantizedStartStep: 4, quantizedEndStep: 6},
128 | {pitch: 60, quantizedStartStep: 6, quantizedEndStep: 8},
129 | {pitch: 65, quantizedStartStep: 8, quantizedEndStep: 10},
130 | {pitch: 60, quantizedStartStep: 10, quantizedEndStep: 12},
131 | {pitch: 65, quantizedStartStep: 12, quantizedEndStep: 14},
132 | {pitch: 60, quantizedStartStep: 14, quantizedEndStep: 16},
133 | {pitch: 67, quantizedStartStep: 16, quantizedEndStep: 18},
134 | {pitch: 60, quantizedStartStep: 18, quantizedEndStep: 20},
135 | {pitch: 67, quantizedStartStep: 20, quantizedEndStep: 22},
136 | {pitch: 60, quantizedStartStep: 22, quantizedEndStep: 24},
137 | {pitch: 62, quantizedStartStep: 24, quantizedEndStep: 26},
138 | {pitch: 59, quantizedStartStep: 26, quantizedEndStep: 28},
139 | {pitch: 62, quantizedStartStep: 28, quantizedEndStep: 30},
140 | {pitch: 59, quantizedStartStep: 30, quantizedEndStep: 32}
141 | ],
142 | color : [221, 44, 87]
143 | },
144 | /*
145 | 'Melody 1' : {
146 | notes: [
147 | {pitch: toMidi('A3'), quantizedStartStep: 0, quantizedEndStep: 4},
148 | {pitch: toMidi('D4'), quantizedStartStep: 4, quantizedEndStep: 6},
149 | {pitch: toMidi('E4'), quantizedStartStep: 6, quantizedEndStep: 8},
150 | {pitch: toMidi('F4'), quantizedStartStep: 8, quantizedEndStep: 10},
151 | {pitch: toMidi('D4'), quantizedStartStep: 10, quantizedEndStep: 12},
152 | {pitch: toMidi('E4'), quantizedStartStep: 12, quantizedEndStep: 16},
153 | {pitch: toMidi('C4'), quantizedStartStep: 16, quantizedEndStep: 20},
154 | {pitch: toMidi('D4'), quantizedStartStep: 20, quantizedEndStep: 26},
155 | {pitch: toMidi('A3'), quantizedStartStep: 26, quantizedEndStep: 28},
156 | {pitch: toMidi('A3'), quantizedStartStep: 28, quantizedEndStep: 32}
157 | ],
158 | color : [242, 61, 91]
159 | },
160 | 'Melody 2' : {
161 | notes: [
162 | {pitch: 50, quantizedStartStep: 0, quantizedEndStep: 1},
163 | {pitch: 53, quantizedStartStep: 1, quantizedEndStep: 2},
164 | {pitch: 58, quantizedStartStep: 2, quantizedEndStep: 3},
165 | {pitch: 58, quantizedStartStep: 3, quantizedEndStep: 4},
166 | {pitch: 58, quantizedStartStep: 4, quantizedEndStep: 5},
167 | {pitch: 53, quantizedStartStep: 5, quantizedEndStep: 6},
168 | {pitch: 53, quantizedStartStep: 6, quantizedEndStep: 7},
169 | {pitch: 53, quantizedStartStep: 7, quantizedEndStep: 8},
170 | {pitch: 52, quantizedStartStep: 8, quantizedEndStep: 9},
171 | {pitch: 55, quantizedStartStep: 9, quantizedEndStep: 10},
172 | {pitch: 60, quantizedStartStep: 10, quantizedEndStep: 11},
173 | {pitch: 60, quantizedStartStep: 11, quantizedEndStep: 12},
174 | {pitch: 60, quantizedStartStep: 12, quantizedEndStep: 13},
175 | {pitch: 60, quantizedStartStep: 13, quantizedEndStep: 14},
176 | {pitch: 60, quantizedStartStep: 14, quantizedEndStep: 15},
177 | {pitch: 52, quantizedStartStep: 15, quantizedEndStep: 16},
178 | {pitch: 57, quantizedStartStep: 16, quantizedEndStep: 17},
179 | {pitch: 57, quantizedStartStep: 17, quantizedEndStep: 18},
180 | {pitch: 57, quantizedStartStep: 18, quantizedEndStep: 19},
181 | {pitch: 65, quantizedStartStep: 19, quantizedEndStep: 20},
182 | {pitch: 65, quantizedStartStep: 20, quantizedEndStep: 21},
183 | {pitch: 65, quantizedStartStep: 21, quantizedEndStep: 22},
184 | {pitch: 57, quantizedStartStep: 22, quantizedEndStep: 23},
185 | {pitch: 57, quantizedStartStep: 23, quantizedEndStep: 24},
186 | {pitch: 57, quantizedStartStep: 24, quantizedEndStep: 25},
187 | {pitch: 57, quantizedStartStep: 25, quantizedEndStep: 26},
188 | {pitch: 62, quantizedStartStep: 26, quantizedEndStep: 27},
189 | {pitch: 62, quantizedStartStep: 27, quantizedEndStep: 28},
190 | {pitch: 65, quantizedStartStep: 28, quantizedEndStep: 29},
191 | {pitch: 65, quantizedStartStep: 29, quantizedEndStep: 30},
192 | {pitch: 69, quantizedStartStep: 30, quantizedEndStep: 31},
193 | {pitch: 69, quantizedStartStep: 31, quantizedEndStep: 32}
194 | ],
195 | color : [108, 57, 234]
196 | },
197 | */
198 | };
199 |
200 |
--------------------------------------------------------------------------------
/demo_4/style.css:
--------------------------------------------------------------------------------
1 | body, html {
2 | width: 100%;
3 | height: 100%;
4 | }
5 |
6 | body {
7 | overflow: hidden;
8 | position: fixed;
9 | margin: 0;
10 | background-color: rgba(32, 32, 32, 0.9);
11 | margin: 0;
12 | padding: 0em;
13 | overflow: none;
14 | font-weight: medium;
15 | text-align: center;
16 | font-family: Poppins, Arial, sans-serif;
17 | -webkit-text-size-adjust:100%;
18 | -moz-text-size-adjust:100%;
19 | -ms-text-size-adjust:100%;
20 | }
21 |
22 | canvas {
23 | position: fixed;
24 | top: 50%;
25 | cursor: pointer;
26 |
27 | transform: translate(-50%, -50%);
28 | -webkit-touch-callout: none; /* iOS Safari */
29 | -webkit-user-select: none; /* Safari */
30 | -khtml-user-select: none; /* Konqueror HTML */
31 | -moz-user-select: none; /* Firefox */
32 | -ms-user-select: none; /* Internet Explorer/Edge */
33 | user-select: none; /* Non-prefixed version, currently
34 | supported by Chrome and Opera */
35 | }
36 |
37 | .control-container {
38 | position: fixed;
39 | z-index: 1;
40 | height: auto;
41 | min-width: 342px;
42 | left: 50%;
43 | bottom: 5%;
44 | transform: translate(-50%, 0);
45 | }
46 |
47 | .play-pause-button {
48 | margin: 0px 20px 0px 20px;
49 | width: 100px;
50 | height: 100px;
51 | outline: none;
52 | background-color: rgba(255, 255, 255, 0.8);
53 | border-radius: 52px;
54 |
55 | background-image: url("https://storage.googleapis.com/melody-mixer/images/play-button.svg");
56 | background-position: 53% 49%;
57 | background-size: 22px;
58 | background-repeat: no-repeat;
59 | cursor: pointer;
60 | transition: background-color 300ms ease-in-out;
61 | }
62 |
63 | .play-pause-button.active{
64 | background-position: 51% 50%;
65 | background-size: 22px;
66 | background-image: url("https://storage.googleapis.com/melody-mixer/images/pause-button.svg");
67 | }
68 |
69 | .play-pause-button:hover {
70 | background-color: white;
71 | }
72 |
73 | /* removed double arrow from IE */
74 | select::-ms-expand { display: none; }
75 |
76 | .drop-down-container {
77 | display: inline-block;
78 | transform: translate(0, -20%);
79 | -moz-transform: translate(0, 60%);
80 | }
81 |
82 | .drop-down-container label {
83 | color: gray;
84 | text-transform: uppercase;
85 | font-size: 80%;
86 | }
87 |
88 | .drop-down {
89 | margin-bottom: 8px;
90 | display: block;
91 | background: url(data:image/svg+xml;base64,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) no-repeat 100% 50%;
92 | position: relative;
93 | font-family: Poppins, Arial, sans-serif;
94 | -moz-appearance: none;
95 | -webkit-appearance: none;
96 | /* height: 30px; */
97 | outline: none;
98 | width: auto;
99 | padding: 5px 20px 5px 10px;
100 | text-align-last: center;
101 | font-size: 16px;
102 | line-height: 20px;
103 | color: rgba(255, 255, 255, 0.8);
104 | background-color: #4b4b4b;
105 | border: none;
106 | text-align: center;
107 | outline: none;
108 | cursor: pointer;
109 | transition: background-color 300ms ease-in-out;
110 | }
111 |
112 | /* fixes dotted line around select in firefox */
113 | select::-moz-focus-inner {
114 | outline: none !important;
115 | }
116 | select:-moz-focusring {
117 | color: transparent;
118 | text-shadow: 0 0 0 #fff;
119 | }
120 | option:not(:checked) {
121 | color: fff; /* prevent
82 |
85 |
86 |
87 |
88 |
89 |
92 |
93 |
94 |