ajax_ivona.php

<?php

/*
 * This file is part of the ISA package.
 *
 * (c) Informatici Senza Frontiere Onlus <http://informaticisenzafrontiere.org>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

include 'functions.php';

$available_voices = array();

$available_voices['it'] = array();
$available_voices['en'] = array();

// ITALIAN
$available_voices['it'][0] = 'it_giorgio';
$available_voices['it'][1] = 'it_carla';

//ENGLISH
$available_voices['en'][0] = 'en_us_salli';
$available_voices['en'][1] = 'en_us_ivy';
$available_voices['en'][2] = 'en_us_eric';
$available_voices['en'][3] = 'en_us_jennifer';

$chosen_voice = $available_voices['it'][1];

if (isset($_POST["language"]) && ($_POST["language"] != '')) {
    $chosen_voice = $available_voices[$_POST["language"]][1];
}

if (isset($_POST["speech"]) && ($_POST["speech"] != '')) {

    $speech = stripslashes(trim($_POST["speech"]));
    trace("POST Text: ".$_POST["speech"]);
    $speech = $_POST["speech"];
    $speech = substr($speech, 0, 2048);
    $volume_scale = intval($_POST["volume_scale"]);
    if ($volume_scale <= 0) { $volume_scale = 1; }
    if ($volume_scale > 100) { $volume_scale = 100; }

    // continue only if some text was entered for conversion
    if ($speech != '') {

        $soap = new SoapClient('http://www.ivona.com/saasapiwsdl.xml');
        $token = $soap->__soapCall('getToken', array('email'=>'<enabled_customer_email>'));
        $apikey = '<apikey>';
        // the text should be read 86% slower
        $params[] = array('key' => 'Prosody-Rate', 'value' => '100');
        // 2.5s of pause between paragraphs
        $params[] = array('key' => 'Paragraph-Break', 'value' => '2500');
        // 1.5s of pause between sentences
        $params[] = array('key' => 'Sentence-Break', 'value' => '1000');
        $speechFile = $soap->__soapCall('createSpeechFile',
            array(
                'token' => $token,
                'md5' => md5(md5($apikey).$token),
                'text' => $speech,
                'contentType' => 'text/plain',
                'voiceId' => $chosen_voice,
                'codecId' => 'mp3/22050',
                //'codecId' => 'ogg/22050',
                'params' => $params
            )
        );

        // a che servono?
        //$file_type = "MP3";
        //$show_audio = true;
        trace("Text: ".$speech);
        trace("Ivona: ".$speechFile['fileId']." Price ".$speechFile['charactersPrice']." -> ".$speechFile['soundUrl']);
    }

    $return_value = $speechFile['soundUrl'];

    header('Content-Type: text/html');
    echo $return_value;

}