<?php
// define the temporary directory
// and where audio files will be written to after conversion
$tmpdir = "/tmp";
$audiodir = "/change/to/your/path";
// if the Text-To-Speech button was click, process the data
if (isset($_POST["make_audio"])) {
$speech = stripslashes(trim($_POST["speech"]));
$speech = substr($speech, 0, 1024);
$volume_scale = intval($_POST["volume_scale"]);
if ($volume_scale <= 0) { $volume_scale = 1; }
if ($volume_scale > 100) { $volume_scale = 100; }
if (intval($_POST["save_mp3"]) == 1) { $save_mp3 = true; }
// continue only if some text was entered for conversion
if ($speech != "") {
// current date (year, month, day, hours, mins, secs)
$currentdate = date("ymdhis",time());
// get micro seconds (discard seconds)
list($usecs,$secs) = microtime();
// unique file name
$filename = "{$currentdate}{$usecs}";
// other file names
$speech_file = "{$tmpdir}/{$filename}";
$wave_file = "{$audiodir}/{$filename}.wav";
$mp3_file = "{$audiodir}/{$filename}.mp3";
// open the temp file for writing
$fh = fopen($speech_file, "w+");
if ($fh) {
fwrite($fh, $speech);
fclose($fh);
}
// if the speech file exists, use text2wave
if (file_exists($speech_file)) {
// create the text2wave command and execute it
$text2wave_cmd = sprintf("text2wave -o %s -scale %d %s",$wave_file,$volume_scale,$speech_file);
exec($text2wave_cmd);
// create an MP3 version?
if ($save_mp3) {
// create the lame command and execute it
$lame_cmd = sprintf("lame %s %s",$wave_file,$mp3_file);
exec($lame_cmd);
// delete the WAV file to conserve space
unlink($wave_file);
}
// delete the temp speech file
unlink($speech_file);
// which file name and type to use? WAV or MP3
$listen_file = (($save_mp3 == true) ? basename($mp3_file) : basename($wave_file));
$file_type = (($save_mp3 == true) ? "MP3" : "WAV");
// show audio file link
$show_audio = true;
}
}
} else {
// default values
$speech = "Hello there!";
$volume_scale = 50;
$save_mp3 = true;
}
?>
<html>
<head>
<title>Festival: Linux Text-To-Speech Demo</title>
<style type="text/css">
<!--
body { background-color:#ffffff; font-family:Arial, Helvetica, sans-serif; font-size:10pt; color: #000000; }
h1 { font-family:Arial, Helvetica, sans-serif; font-size:18pt; color: #000000; }
.tblfont { font-family:Arial, Helvetica, sans-serif; font-size:10pt; color: #000000; }
-->
</style>
</head>
<body>
<h1>Linux Festival Text-To-Speech Demo</h1>
<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
<table width="400" border="0" cellspacing="5" cellpadding="0" class="tblfont">
<tr>
<td colspan="2"><textarea name="speech" wrap="VIRTUAL" style="width:350px;height:100px;"><?php echo $speech; ?></textarea></td>
</tr>
<tr>
<td width="135">Volume Scale
<input name="volume_scale" type="text" size="3" maxlength="3" value="<?php echo $volume_scale; ?>">
</td>
<td width="265">Save as MP3
<input name="save_mp3" type="checkbox" value="1"<?php if ($save_mp3 == 1) { echo " checked"; } ?>>
</td>
</tr>
<tr>
<td><input name="make_audio" type="submit" value="Text-To-Speech"></td>
<td>
<?php if ($show_audio) { ?>
<a href="audio/<?php echo $listen_file; ?>">Listen to the <?php echo $file_type; ?> file</a>
<?php } ?>
</td>
</tr>
</table>
</form>
</body>
</html>