speech-rule-engine/js/audio/sable_renderer.js

A standalone speech rule engine for XML structures, based on the original engine from ChromeVox.

import * as EngineConst from '../common/engine_const.js';
import { XmlRenderer } from './xml_renderer.js';
export class SableRenderer extends XmlRenderer {
    finalize(str) {
        return ('<?xml version="1.0"?>' +
            '<!DOCTYPE SABLE PUBLIC "-//SABLE//DTD SABLE speech mark up//EN"' +
            ' "Sable.v0_2.dtd" []><SABLE>' +
            this.separator +
            str +
            this.separator +
            '</SABLE>');
    }
    pause(pause) {
        return ('<BREAK ' +
            'MSEC="' +
            this.pauseValue(pause[EngineConst.personalityProps.PAUSE]) +
            '"/>');
    }
    prosodyElement(tag, value) {
        value = this.applyScaleFunction(value);
        switch (tag) {
            case EngineConst.personalityProps.PITCH:
                return '<PITCH RANGE="' + value + '%">';
            case EngineConst.personalityProps.RATE:
                return '<RATE SPEED="' + value + '%">';
            case EngineConst.personalityProps.VOLUME:
                return '<VOLUME LEVEL="' + value + '%">';
            default:
                return '<' + tag.toUpperCase() + ' VALUE="' + value + '">';
        }
    }
    closeTag(tag) {
        return '</' + tag.toUpperCase() + '>';
    }
}