文本到语音转换(Text-to-Speech, TTS)是Twilio提供的一项重要功能,允许开发者通过API将文本内容转换为语音并拨打电话或播放给用户。在Twilio PHP API中,这主要通过<Say>
动词在TwiML中实现。
Twilio提供两种主要的TTS实现方式:
<Say>
动词:用于呼叫流程中的语音播报<?php
require_once 'vendor/autoload.php';
use Twilio\TwiML\VoiceResponse;
$response = new VoiceResponse();
$response->say('Hello, this is a text-to-speech message from Twilio.',
['voice' => 'alice', 'language' => 'en-US']);
echo $response;
<?php
require_once 'vendor/autoload.php';
use Twilio\Rest\Client;
$accountSid = 'your_account_sid';
$authToken = 'your_auth_token';
$twilio = new Client($accountSid, $authToken);
$call = $twilio->calls
->create(
"+1234567890", // 目标电话号码
"+0987654321", // Twilio电话号码
[
"url" => "http://your-server.com/voice.php"
]
);
echo $call->sid;
<?php
// voice.php 文件内容
require_once 'vendor/autoload.php';
use Twilio\TwiML\VoiceResponse;
$response = new VoiceResponse();
$response->say('Welcome to our service.', ['voice' => 'alice']);
$response->pause(['length' => 1]);
$response->say('Please select an option after the tone.', ['voice' => 'alice', 'language' => 'en-GB']);
$response->play('', ['digits' => 'w']);
echo $response;
原因:
解决方案:
// 确保使用正确的语音参数
$response->say('Hello', [
'voice' => 'alice', // 或 'man', 'woman'
'language' => 'en-US' // 确保语言代码正确
]);
原因:
解决方案:
原因:
解决方案:
// 使用htmlspecialchars处理文本
$text = htmlspecialchars('This is <b>bold</b> & important!');
$response->say($text);
原因:
解决方案:
// 明确指定语言和语音
$response->say('Bonjour', ['voice' => 'alice', 'language' => 'fr-FR']);
<?php
require_once 'vendor/autoload.php';
use Twilio\TwiML\VoiceResponse;
$response = new VoiceResponse();
$response->say(
'<speak>' .
'Hello <emphasis>world</emphasis>. ' .
'The time is <say-as interpret-as="time">12:30</say-as>. ' .
'<break time="1s"/> Thank you for calling.' .
'</speak>',
['voice' => 'alice']
);
echo $response;
<?php
require_once 'vendor/autoload.php';
use Twilio\TwiML\VoiceResponse;
$name = $_POST['name'] ?? 'valued customer';
$amount = $_POST['amount'] ?? '100';
$response = new VoiceResponse();
$message = sprintf(
'Hello %s. Your current balance is %s dollars.',
$name,
$amount
);
$response->say($message, ['voice' => 'alice']);
echo $response;
通过以上方法和示例,您可以在Twilio PHP API中有效地实现文本到语音转换功能,满足各种业务场景需求。
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