PHP online speech synthesis

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Online speech synthesis PHP SDK

http://yuyin.baidu.com/docs/tts/194

PHP SDK Document

Introduction

Hi, welcome to Baidu Speech synthesis services.

This document is mainly aimed at PHP developers and describes the relevant technical content of Baidu speech synthesis interface service. If you have any questions about the content of the document, you can contact us through the following methods:

• Submit a work order in the Baidu Cloud Console. Please select Artificial Intelligence for the type of inquiry. Service;

• JoinDeveloper QQ group:464413749

##Interface capability

Interface nameBrief description of interface capability##Speech synthesisNotes

Translate the computer itself A technology that converts generated or externally input text information into understandable and fluent spoken output.

Currently, the functions of this SDK are the same as the REST API, and you need to connect to the Internet to call the http interface. The REST API only supports audio synthesis of up to 512 words (1024 bytes), and the synthesized file format is mp3.

No other extra features.

If you need to use other functions such as offline synthesis, please use the Android or iOS synthesis SDK Please strictly follow the parameters described in the document for development. Please pay attention to the following issues:

The length of the synthetic text must be less than 1024 bytes. If the length of the text is longer, multiple requests can be used. Don't exceed the text length limit.
Speech synthesis rest api initially applies for a default request quota of 200,000 times/day. If the default quota cannot meet the demand, please apply to increase the quota.
In the required fields, fill them in strictly according to the content in the document description.
Version update record

Online date2017.5.11

Quick Start

Install Speech Synthesis PHP SDK

Speech Synthesis PHP SDK Directory Structure

1. <span class="pun">├──</span><span class="pln"> </span><span class="typ">AipSpeech</span><span class="pun">.</span><span class="pln">php               </span><span class="com">//Speech synthesis</span>

2. <span class="pun">└──</span><span class="pln"> lib</span>

3. <span class="pln"> </span><span class="pun">├──</span><span class="pln"> </span><span class="typ">AipHttpClient</span><span class="pun">.</span><span class="pln">php </span><span class="com">//Internal http request class</span>

4. <span class="pln"> </span><span class="pun">├──</span><span class="pln"> </span><span class="typ">AipBCEUtil</span><span class="pun"> .</span><span class="pln">php                 </span><span class="com">//Internal tool class</span>

5. ##     <span class="pln"></span>└ ──<span class="pun"></span> <span class="pln"></span>AipBase<span class="typ"></span>                 <span class="pln"></span>//Aip base class<span class="com"></span>

Supported PHP version: 5.3

The steps to develop using PHP SDK are as follows :

1. Download the php SDK compressed package from the official website.

2. After decompressing the downloaded

aip-php-sdk-version.zip, copy AipSpeech.php and lib/* to the project folder.

3.Introduce AipSpeech.php

New AipSpeech

AipSpeech is a PHP SDK client for speech synthesis, which provides a series of interactive methods for developers who use speech synthesis .

Refer to the following code to create a new AipSpeech:

require_once 'AipSpeech.php';
// 你的 APPID AK SK
const APP_ID = '你的 App ID';
const API_KEY = '你的 Api Key';
const SECRET_KEY = '你的 Secret Key';
$client = new AipSpeech(APP_ID, API_KEY, SECRET_KEY);

In the above code, the constant

APP_ID is in the Baidu Cloud Console Creation, the constants API_KEY and SECRET_KEY are assigned to the user by the system after the application is created. They are both strings used to identify the user and perform signature verification for access. They can be used in AI Check it in Application List in the service console.

Configuring AipSpeech

If the user needs to configure the network request parameters of AipSpeech (generally no configuration is required), the interface can be called to set the parameters after constructing AipSpeech. Currently, only the following parameters are supported:

Version number	Update content
1.0.0	The speech synthesis service is online

InterfaceDescription##setConnectionTimeoutInMillissetSocketTimeoutInMillis

接口说明

语音合成

接口描述

基于该接口，开发者可以轻松的获取语音合成能力

请求说明

• 合成文本长度必须小于1024字节，如果本文长度较长，可以采用多次请求的方式。文本长度不可超过限制

举例，要把一段文字合成为语音文件：

1. $result = $client->synthesis('你好百度', 'zh', 1, array(
       'vol' => 5,
   ));
   // 识别正确返回语音二进制 错误则返回json 参照下面错误码
   if(!is_array($result)){
       file_put_contents('audio.mp3', $result);
   }

Timeout to establish a connection ( Unit: milliseconds)
Timeout for transmitting data through an open connection (unit: milliseconds)

参数	类型	描述	是否必须
tex	String	合成的文本，使用UTF-8编码，请注意文本长度必须小于1024字节	是
lang	String	语言选择,填写zh	是
ctp	String	客户端类型选择，web端填写1	是
cuid	String	用户唯一标识，用来区分用户，填写机器 MAC 地址或 IMEI 码，长度为60以内	否
spd	String	语速，取值0-9，默认为5中语速	否
pit	String	音调，取值0-9，默认为5中语调	否
vol	String	音量，取值0-15，默认为5中音量	否
per	String	发音人选择, 0为女声，1为男声，3为情感合成-度逍遥，4为情感合成-度丫丫，默认为普通女	否

返回样例：

1. // 成功返回二进制文件
   // 失败返回
   {
       "err_no":500,
       "err_msg":"notsupport.",
       "sn":"abcdefgh",
       "idx":1
   }

错误信息

错误返回格式

若请求错误，服务器将返回的JSON文本包含以下参数：

• error_code：错误码。

• error_msg：错误描述信息，帮助理解和解决发生的错误。

错误码

错误码	含义
500	不支持的输入
501	输入参数不正确
502	token验证失败
503	合成后端错误

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