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Make Samantha or first en-US the default TTS voice

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Tetrakern 2023-07-09 22:45:56 +02:00
parent 09d7481389
commit 4b4b2bdc5b
2 changed files with 45 additions and 23 deletions
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2
js/tts.min.js vendored
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File diff suppressed because one or more lines are too long

66
src/js/tts.js
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@ -24,24 +24,34 @@ if (typeof speechSynthesis !== 'undefined') {
fcn_utter = new SpeechSynthesisUtterance();
fcn_utter.lang = fcn_theRoot.lang;
// Listen to onvoiceschanged event once when voices are initially loaded
if ('onvoiceschanged' in speechSynthesis) {
fcn_synth.addEventListener('voiceschanged', () => {
fcn_setUpVoices();
fcn_updateVolume(fcn_ttsSettings['volume']);
fcn_updatePitch(fcn_ttsSettings['pitch']);
fcn_updateRate(fcn_ttsSettings['rate']);
}, { once: true });
} else {
// Some browsers (e.g. Safari as of 2022/09/09) do not support the event,
// so we just wait for two seconds and hope for the best!
setTimeout(() => {
fcn_setUpVoices();
fcn_updateVolume(fcn_ttsSettings['volume']);
fcn_updatePitch(fcn_ttsSettings['pitch']);
fcn_updateRate(fcn_ttsSettings['rate']);
}, 2000);
// Some browsers (e.g. Safari as of 2022/09/09) do not support the voiceschanged event,
// so we just wait for two seconds and hope for the best!
const fcn_ttsSetupTimeout = setTimeout(() => {
fcn_setupTTS();
}, 2000);
// If they support the event, we clear the timeout
fcn_synth.addEventListener('voiceschanged', () => {
fcn_setupTTS();
clearTimeout(fcn_ttsSetupTimeout);
}, { once: true });
}
/**
* Initial setup of TTS.
*
* @since 5.4.6
*/
function fcn_setupTTS() {
if (fcn_voices.length > 0) {
return;
}
fcn_setUpVoices();
fcn_updateVolume(fcn_ttsSettings['volume']);
fcn_updatePitch(fcn_ttsSettings['pitch']);
fcn_updateRate(fcn_ttsSettings['rate']);
}
// =============================================================================
@ -110,7 +120,7 @@ function fcn_setUpVoices() {
const option = document.createElement('option');
option.value = index;
option.innerHTML = voice.name;
option.innerHTML = `${voice.name} (${voice.lang})`;
select.appendChild(option);
index++;
@ -143,12 +153,24 @@ function fcn_setUpVoices() {
*/
function fcn_updateVoice(id) {
id = isNaN(id) ? 0 : id;
// Ensure Samantha (en-US) is the default/fallback voice
if (isNaN(id) || fcn_voices[id] === undefined) {
let index = fcn_voices.findIndex(voice => {
return voice.name === 'Samantha' && (voice.lang === 'en-US' || voice.lang === 'en_US');
});
let selection = fcn_voices[id];
if (selection === undefined) selection = fcn_voices[0];
// Samantha not found, use first English voice found instead
if (index < 0) {
index = fcn_voices.findIndex(voice => {
return voice.lang === 'en-US' || voice.lang === 'en_US';
});
}
fcn_utter.voice = selection;
// Use found voice or surrender and use the first horrible thing in the array
id = index > -1 ? index : 0;
}
fcn_utter.voice = fcn_voices[id];
_$$$('tts-voice-select').value = id;