1、CHiOSSpeech.h

//
// 文 件 名:CHiOSSpeech.h
//
// 版权所有:Copyright © 2018年 leLight. All rights reserved.
// 创 建 者:leLight
// 创建日期:2018/7/30.
// 文档说明:苹果原生文字转语音播报.
// 修 改 人:
// 修改日期:
// #import <Foundation/Foundation.h>
#import <AVFoundation/AVFoundation.h>@protocol CHiOSSpeechDelegate <NSObject>
@optional
/************ 开始播放 *****************************/
- (void)speechSynthesizer:(AVSpeechSynthesizer*)synthesizer didStartSpeechUtterance:(AVSpeechUtterance*)utterance;
/************ 完成播放 *****************************/
- (void)speechSynthesizer:(AVSpeechSynthesizer*)synthesizer didFinishSpeechUtterance:(AVSpeechUtterance*)utterance;
/************ 播放中止 *****************************/
- (void)speechSynthesizer:(AVSpeechSynthesizer*)synthesizer didPauseSpeechUtterance:(AVSpeechUtterance*)utterance;
/************ 恢复播放 *****************************/
- (void)speechSynthesizer:(AVSpeechSynthesizer*)synthesizer didContinueSpeechUtterance:(AVSpeechUtterance*)utterance;
/************ 播放取消 *****************************/
- (void)speechSynthesizer:(AVSpeechSynthesizer*)synthesizer didCancelSpeechUtterance:(AVSpeechUtterance*)utterance;@end@interface CHiOSSpeech : NSObject/** 文字播报代理 */
@property (nonatomic, weak) id<CHiOSSpeechDelegate> delegate;/************ 单例对象 *****************************/
+ (CHiOSSpeech *)sharedInstance;
/************ 开始播放 *****************************/
- (void)startSpeekWithString:(NSString *)string;
/************ 暂停播放 *****************************/
- (void)pauseSpeaking;
/************ 继续播放 *****************************/
- (void)continueSpeaking;// 初始化配置:这里不设置则使用默认参数
/***  设置播放的声音参数 如果选择默认请传入 -1.0**  @param aVolume          音量（0.0~1.0）默认为1.0*  @param aRate            语速（0.0~1.0）默认为1.0*  @param aPitchMultiplier 语调 (0.5-2.0)默认为1.0*  @param languageCode    语言          默认为 中文普通话:@"zh-CN"*/
- (void)setDefaultWithVolume:(float)aVolumerate:(CGFloat)aRatepitchMultiplier:(CGFloat)aPitchMultiplierlanguageCode:(NSString *)languageCode;@end

2、CHiOSSpeech.m

//
// 文 件 名:CHiOSSpeech.m
//
// 版权所有:Copyright © 2018年 leLight. All rights reserved.
// 创 建 者:leLight
// 创建日期:2018/7/30.
// 文档说明:苹果原生文字转语音播报.
// 修 改 人:
// 修改日期:
// #import "CHiOSSpeech.h"@interface CHiOSSpeech () <AVSpeechSynthesizerDelegate>
{AVSpeechSynthesizer      *av;AVSpeechUtterance        *utterance;
}/** 语速 */
@property(nonatomic, assign) float rate;
/** 音量 */
@property(nonatomic, assign) float volume;
/** 音调 */
@property(nonatomic, assign) float pitchMultiplier;
/** 音调 */
@property(nonatomic, copy) NSString *languageCode;@end@implementation CHiOSSpeech/************ 单例对象 *****************************/
+ (CHiOSSpeech *)sharedInstance {static CHiOSSpeech *sharedClient = nil;static dispatch_once_t onceToken;dispatch_once(&onceToken, ^{sharedClient = [[CHiOSSpeech alloc] init];});return sharedClient;
}/************ 初始化创建 *****************************/
- (instancetype)init {self = [super init];if (self) {// 初始化对象av = [[AVSpeechSynthesizer alloc] init];// 挂上代理av.delegate = self;// 初始化配置[self setDefaultWithVolume:-1.0 rate:-1.0 pitchMultiplier:-1.0 languageCode:@"zh-CN"];};return self;
}/************ 开始播放 *****************************/
- (void)startSpeekWithString:(NSString *)string {utterance = [[AVSpeechUtterance alloc] initWithString:string];// 设置语速，范围0-1，注意0最慢，1最快；AVSpeechUtteranceMinimumSpeechRate最慢，AVSpeechUtteranceMaximumSpeechRate最快utterance.rate = 0.5;//设置发音，这是中文普通话:@"zh-CN"AVSpeechSynthesisVoice *voice = [AVSpeechSynthesisVoice voiceWithLanguage:self.languageCode];utterance.voice = voice;// 设置语速utterance.rate = self.rate;// 设置音量（0.0~1.0）默认为1.0utterance.volume = self.volume;// 设置语调 (0.5-2.0)utterance.pitchMultiplier = self.pitchMultiplier;// 目的是让语音合成器播放下一语句前有短暂的暂停utterance.postUtteranceDelay = 1;// 开始[av speakUtterance:utterance];
}/************ 暂停播放 *****************************/
- (void)pauseSpeaking {[av pauseSpeakingAtBoundary:AVSpeechBoundaryWord];
}/************ 继续播放 *****************************/
- (void)continueSpeaking {// 如果暂停则恢复，会从暂停的地方继续[av continueSpeaking];
}#pragma mark ***************************** AVSpeechSynthesizerDelegate ***********************************************
/************ 开始播放 *****************************/
- (void)speechSynthesizer:(AVSpeechSynthesizer*)synthesizer didStartSpeechUtterance:(AVSpeechUtterance*)utterance {CHLog(@"是否正在播放：%d", synthesizer.isSpeaking);CHLog(@"是否处于播放：%d", synthesizer.isPaused);CHLog(@"播放的内容：%@", utterance.speechString);CHLog(@"---开始播放");if([self.delegate respondsToSelector:@selector(speechSynthesizer: didStartSpeechUtterance:)]) {[self.delegate speechSynthesizer:synthesizer didStartSpeechUtterance:utterance];}
}/************ 完成播放 *****************************/
- (void)speechSynthesizer:(AVSpeechSynthesizer*)synthesizer didFinishSpeechUtterance:(AVSpeechUtterance*)utterance {CHLog(@"---完成播放");if([self.delegate respondsToSelector:@selector(speechSynthesizer: didFinishSpeechUtterance:)]) {[self.delegate speechSynthesizer:synthesizer didFinishSpeechUtterance:utterance];}
}/************ 播放中止 *****************************/
- (void)speechSynthesizer:(AVSpeechSynthesizer*)synthesizer didPauseSpeechUtterance:(AVSpeechUtterance*)utterance {CHLog(@"---播放中止");if([self.delegate respondsToSelector:@selector(speechSynthesizer: didPauseSpeechUtterance:)]) {[self.delegate speechSynthesizer:synthesizer didPauseSpeechUtterance:utterance];}
}/************ 恢复播放 *****************************/
- (void)speechSynthesizer:(AVSpeechSynthesizer*)synthesizer didContinueSpeechUtterance:(AVSpeechUtterance*)utterance {CHLog(@"---恢复播放");if([self.delegate respondsToSelector:@selector(speechSynthesizer: didContinueSpeechUtterance:)]) {[self.delegate speechSynthesizer:synthesizer didContinueSpeechUtterance:utterance];}
}/************ 播放取消 *****************************/
- (void)speechSynthesizer:(AVSpeechSynthesizer*)synthesizer didCancelSpeechUtterance:(AVSpeechUtterance*)utterance {CHLog(@"---播放取消");if([self.delegate respondsToSelector:@selector(speechSynthesizer: didCancelSpeechUtterance:)]) {[self.delegate speechSynthesizer:synthesizer didCancelSpeechUtterance:utterance];}
}// 初始化配置
/***  设置播放的声音参数 如果选择默认请传入 -1.0**  @param aVolume          音量（0.0~1.0）默认为1.0*  @param aRate            语速（0.0~1.0）默认为1.0*  @param aPitchMultiplier 语调 (0.5-2.0)默认为1.0*  @param languageCode     语言          默认为 中文普通话:@"zh-CN"*/
- (void)setDefaultWithVolume:(float)aVolume rate:(CGFloat)aRate pitchMultiplier:(CGFloat)aPitchMultiplier languageCode:(NSString *)languageCode {self.rate   = aRate;self.volume = aVolume;self.pitchMultiplier = aPitchMultiplier;self.languageCode = languageCode;if (aRate == -1.0) {self.rate = 0.5;}if (aVolume == -1.0) {self.volume = 1.0;}if (aPitchMultiplier == -1.0) {self.pitchMultiplier = 1;}
}@end