PHP

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. Chilkat2 PHP

<?php

use Chilkat2\Http;
use Chilkat2\HttpResponse;
use Chilkat2\JsonObject;
use Chilkat2\StringBuilder;

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

$http = new Http();

$http->Login = 'apikey';
$http->Password = 'my_apikey';
$http->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 StringBuilder();
$sbUrl->Append($myBaseUrl);
$sbUrl->Append('/v1/synthesize?voice=en-US_AllisonV3Voice');

$http->Accept = 'audio/wav';

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

$url = $sbUrl->GetAsString();
$resp = new HttpResponse();
try {
    $http->HttpJson('POST', $url, $json, 'application/json', $resp);
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

$respStatusCode = $resp->StatusCode;
echo 'response status code = ', $respStatusCode, "\n";

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