AVFoundation 文本语音播报

 

#import <Foundation/Foundation.h>

#import <AVFoundation/AVFoundation.h>

 

@interface Speaker : NSObject

 

@property(nonatomic,strong)AVSpeechSynthesizer *synthesizer;

 

+ (instancetype)speechcontroller;

 

- (void)beginConversation;

 

@end

 

///

#import "Speaker.h"

 

@interface Speaker ()

 

@property(nonatomic,strong)NSArray *voices;

@property(nonatomic,strong)NSArray *speechStrings;

 

@end

 

@implementation Speaker

 

 

+ (instancetype)speechcontroller{

    return [[self alloc]init];

}

- (instancetype)init

{

    self = [super init];

    if (self) {

        _synthesizer = [[AVSpeechSynthesizer alloc]init];

        

　　　　　　//zh-CN 中文  en-US 英文

        _voices = @[[AVSpeechSynthesisVoice voiceWithLanguage:@"zh-CN"],

//                    [AVSpeechSynthesisVoice voiceWithLanguage:@"en-GB"]

                    ];

        

        _speechStrings = @[@"hello world",

                           @"文本播报",

                           @"very good"

                           ];

    }

    return self;

}

 

 

 

- (void)beginConversation{

    for (int i = 0; i<self.speechStrings.count; i++) {

        AVSpeechUtterance *utterance = [[AVSpeechUtterance alloc]initWithString:self.speechStrings[i]];

        utterance.voice = self.voices[0];//设置声音

        utterance.rate = 0.4f;//播放语音内容的速度

        utterance.pitchMultiplier = 0.7f;//语调

        utterance.postUtteranceDelay = 0.1f;//在说下一句话前的停顿时长

        //开始语音播放

        [self.synthesizer speakUtterance:utterance];

        

    }

    

}