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Added a button to the playback that toggles treble voice #907

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Added a button to the playback that toggles treble voice #907

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a7fdbf6
Added `treble_voice` argument to raise playback pitch by an octave
liampond Sep 9, 2024
b3e37ea
Added button
liampond Sep 13, 2024
111d277
Added treble to html template
liampond Sep 13, 2024
381c0d9
Added .env.sample back
liampond Sep 13, 2024
5ac27c4
Removed extra empty line in .env.sample
liampond Sep 13, 2024
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19 changes: 15 additions & 4 deletions nginx/public/node/frontend/public/js/app/manuscript-detail/folio/ChantRecordView.js
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Original file line number Diff line number Diff line change
Expand Up @@ -99,7 +99,7 @@ function handleFlats (inputStr){

///////////////////////////////////////////////////////////////////////////////////
//Plays the volpiano notes using MIDI.js
function volpiano2midi(input_arr, note_dur) {
function volpiano2midi(input_arr, note_dur, treble_voice = false) {

//construct dictionary with pitch values
var pitch_dict = {};
Expand Down Expand Up @@ -127,6 +127,11 @@ function volpiano2midi(input_arr, note_dur) {
pitch_dict['t'] = 46; // make-shift Bb3
pitch_dict['u'] = 58; // make-shift Bb4
pitch_dict['v'] = 50; // make-shift Bb5
if (treble_voice) {
for (var key in pitch_dict) {
pitch_dict[key] += 12;
}
}

// create array of volpiano characters representing barlines
// for purposes of midi playback, these are treated as rests
Expand Down Expand Up @@ -252,21 +257,27 @@ export default Marionette.ItemView.extend({
ui : {
volpianoSyllables: ".volpiano-syllable",
btnPlay: ".btnPlay",
btnStop: ".btnStop"
btnStop: ".btnStop",
btnTreble: ".btnTreble"
},
events: {
"click .btnPlay": "submit",
"click .btnStop": "stop"
"click .btnStop": "stop",
"click .btnTreble": "toggleTreble"
},
submit: function mainPlay() {
var volArr = parse_volpiano(this.ui.volpianoSyllables);
this.ui.btnPlay.html("Playing...");
this.ui.btnPlay.attr("disabled", true);
volpiano2midi(volArr, .6);
volpiano2midi(volArr, .6, this.treble_voice);
},
stop: function(){
audioStopReset(MIDI);
},
toggleTreble: function(){
this.treble_voice = !this.treble_voice;
this.ui.btnTreble.html(this.treble_voice ? "Treble On" : "Treble Off");
},
stopChantAudio: function(){
if (MIDI.getContext().state === "running"){
audioStopReset(MIDI);
Expand Down
1 change: 1 addition & 0 deletions nginx/public/node/frontend/public/js/app/manuscript-detail/folio/chant-record.template.html
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Expand Up @@ -48,4 +48,5 @@ <h5>Full Text</h5>
<hr/>
<button class="btnPlay">Play Audio</button>
<button class="btnStop">Stop Audio</button>
<button class="btnTreble">Toggle Treble Voice</button>
<% } %>
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