PHP Extension

IBM Cloud - Text to Speech - Synthesize Audio (POST)

See more IBM Text to Speech Examples

Synthesizes text to audio that is spoken in the specified voice. Uses a POST which allows for more text to be synthesized. PHP Extension

<?php

include("chilkat.php");

$success = false;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$http = new CkHttp();

$http->put_Login('apikey');
$http->put_Password('my_apikey');
$http->put_BasicAuth(true);

// Send the following request:

// curl -X POST -u "apikey:{apikey}" 
//    --header "Content-Type: application/json" 
//    --header "Accept: audio/wav" 
//    --data "{\"text\":\"When life gives you lemons, order the lobster tail.\"}" 
//    --output lobster.wav "{url}/v1/synthesize?voice=en-US_AllisonV3Voice"

// Use your base URL shown in the credentials web page (below your apikey)
$myBaseUrl = 'https://api.us-south.text-to-speech.watson.cloud.ibm.com/instances/31941e96-7b89-4d56-8993-9cd8f18ec2d8';

$sbUrl = new CkStringBuilder();
$sbUrl->Append($myBaseUrl);
$sbUrl->Append('/v1/synthesize?voice=en-US_AllisonV3Voice');

$http->put_Accept('audio/wav');

$json = new CkJsonObject();
$json->UpdateString('text','When life gives you lemons, order the lobster tail.');

$url = $sbUrl->getAsString();
$resp = new CkHttpResponse();
$success = $http->HttpJson('POST',$url,$json,'application/json',$resp);
if ($success == false) {
    print $http->lastErrorText() . "\n";
    exit;
}

$respStatusCode = $resp->get_StatusCode();
print 'response status code = ' . $respStatusCode . "\n";

if ($respStatusCode == 200) {
    $success = $resp->SaveBodyBinary('qa_output/lobster.wav');
    print 'Success!' . "\n";
}
else {
    print $resp->bodyStr() . "\n";
}


?>