iOS10新特性之SFSpeechRecognizer的使用

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SFSpeechRecognizer是iOS10新特性之一，用来进行语音识别的。

1、使用前需要导入头文件

import Speech

2、设置请求权限

//请求权限        SFSpeechRecognizer.requestAuthorization { (state) in            print(state)        }

3、配置info.plist

//添加一条权限Privacy - Speech Recognition Usage Description   -> “xxx”

4、初始化识别器

//初始化一个识别器let recognizer = SFSpeechRecognizer(locale: Locale(identifier: "zh_CN"))

5、初始化请求

 //path let url = Bundle.main.url(forResource: "bg", withExtension: "mp3") //初始化一个识别请求 let request = SFSpeechURLRecognitionRequest(url: url!)

6、开启识别任务

//开始一个识别请求recognizer?.recognitionTask(with: request, resultHandler: { (result, error) in     if error != nil{                print("识别错误")                return     }     else{       print(result?.bestTranscription.formattedString)         }    })

完成代码：

import UIKitimport Speechclass ViewController: UIViewController {    override func viewDidLoad() {        super.viewDidLoad()        //请求权限        SFSpeechRecognizer.requestAuthorization { (state) in            print(state)        }    }    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {        //初始化一个识别器        let recognizer = SFSpeechRecognizer(locale: Locale(identifier: "zh_CN"))        //path        let url = Bundle.main.url(forResource: "bg", withExtension: "mp3")        //初始化一个识别请求        let request = SFSpeechURLRecognitionRequest(url: url!)        //开始一个识别请求        recognizer?.recognitionTask(with: request, resultHandler: { (result, error) in            if error != nil{                print("识别错误")                return            }            else{                print(result?.bestTranscription.formattedString)            }        })    }}

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